Naaz, Ambreen; Mursaleen, M. On eigenstructure of \(q\)-Bernstein operators. (English) Zbl 07299668 Anal. Math. Phys. 11, No. 1, Paper No. 6, 14 p. (2021). MSC: 65F15 65F08 41A36 15A18 41A10 39B42 05C62 PDF BibTeX XML Cite \textit{A. Naaz} and \textit{M. Mursaleen}, Anal. Math. Phys. 11, No. 1, Paper No. 6, 14 p. (2021; Zbl 07299668) Full Text: DOI
Gnacik, Michał; Guzik, Marcin; Kania, Tomasz Approximate modularity: Kalton’s constant is not smaller than 3. (English) Zbl 07299108 Proc. Am. Math. Soc. 149, No. 2, 661-669 (2021). MSC: 28A60 39B82 90C27 94C10 PDF BibTeX XML Cite \textit{M. Gnacik} et al., Proc. Am. Math. Soc. 149, No. 2, 661--669 (2021; Zbl 07299108) Full Text: DOI
Peppo, Catherine Asymptotic Hyers-Ulam stability or superstability by unilateral perturbations on the concavity side for generalized linear equations. (English) Zbl 07297366 J. Convex Anal. 28, No. 1, 143-156 (2021). MSC: 39B62 26A51 PDF BibTeX XML Cite \textit{C. Peppo}, J. Convex Anal. 28, No. 1, 143--156 (2021; Zbl 07297366) Full Text: Link
Li, Biao; Ma, Yutao; Zhang, Zhengliang On the spectral gap of Boltzmann measures on the unit sphere. (English) Zbl 07290514 Stat. Probab. Lett. 169, Article ID 108963, 6 p. (2021). MSC: 60E15 39B62 26Dxx PDF BibTeX XML Cite \textit{B. Li} et al., Stat. Probab. Lett. 169, Article ID 108963, 6 p. (2021; Zbl 07290514) Full Text: DOI
Chen, Xin; Wu, Bo; Zhu, Rongchan; Zhu, Xiangchan Stochastic heat equations for infinite strings with values in a manifold. (English) Zbl 07288860 Trans. Am. Math. Soc. 374, No. 1, 407-452 (2021). MSC: 37A25 39B62 60H15 PDF BibTeX XML Cite \textit{X. Chen} et al., Trans. Am. Math. Soc. 374, No. 1, 407--452 (2021; Zbl 07288860) Full Text: DOI
Avitabile, Marina; Mattarei, Sandro Generalized finite polylogarithms. (English) Zbl 07286314 Glasg. Math. J. 63, No. 1, 66-80 (2021). MSC: 11G55 33E50 39B52 33C45 PDF BibTeX XML Cite \textit{M. Avitabile} and \textit{S. Mattarei}, Glasg. Math. J. 63, No. 1, 66--80 (2021; Zbl 07286314) Full Text: DOI
Florentin, Dan I.; Segal, Alexander A Santaló-type inequality for the \(\mathcal{J}\) transform. (English) Zbl 07266075 Commun. Contemp. Math. 23, No. 1, Article ID 1950090, 18 p. (2021). Reviewer: Niufa Fang (Chongqing) MSC: 52A40 26B25 39B62 52A38 PDF BibTeX XML Cite \textit{D. I. Florentin} and \textit{A. Segal}, Commun. Contemp. Math. 23, No. 1, Article ID 1950090, 18 p. (2021; Zbl 07266075) Full Text: DOI
Tomar, Shalini; Hooda, Navneet On stability of \(\alpha\)-radical reciprocal functional equation. (English) Zbl 07246096 Electron. J. Math. Analysis Appl. 9, No. 1, 293-301 (2021). MSC: 39B82 39B52 46H25 PDF BibTeX XML Cite \textit{S. Tomar} and \textit{N. Hooda}, Electron. J. Math. Analysis Appl. 9, No. 1, 293--301 (2021; Zbl 07246096) Full Text: Link
Bedouhene, Fazia; Boussaada, Islam; Niculescu, Silviu-Iulian Real spectral values coexistence and their effect on the stability of time-delay systems: Vandermonde matrices and exponential decay. (English. French summary) Zbl 07299534 C. R., Math., Acad. Sci. Paris 358, No. 9-10, 1011-1032 (2020). MSC: 34K20 39B82 70Q05 47N70 PDF BibTeX XML Cite \textit{F. Bedouhene} et al., C. R., Math., Acad. Sci. Paris 358, No. 9--10, 1011--1032 (2020; Zbl 07299534) Full Text: DOI
Fechner, Włodzimierz; Száz, Árpád Composition iterates, Cauchy, translation, and Sincov inclusions. (English) Zbl 07299295 Acta Univ. Sapientiae, Math. 12, No. 1, 54-84 (2020). MSC: 39B12 39B52 39B62 20N02 26E25 54E25 PDF BibTeX XML Cite \textit{W. Fechner} and \textit{Á. Száz}, Acta Univ. Sapientiae, Math. 12, No. 1, 54--84 (2020; Zbl 07299295) Full Text: DOI
Cheng, Lihua Ulam-Hyers stability of trigonometric functional equation with involution. (English) Zbl 07295492 J. Nanchang Univ., Nat. Sci. 44, No. 2, 121-123, 127 (2020). MSC: 39B82 39B52 PDF BibTeX XML Cite \textit{L. Cheng}, J. Nanchang Univ., Nat. Sci. 44, No. 2, 121--123, 127 (2020; Zbl 07295492) Full Text: DOI
Xu, Ling; Luo, Runzi; Cao, Tingbin On existence of solutions of difference Riccati equations. (English) Zbl 07295489 J. Nanchang Univ., Nat. Sci. 44, No. 2, 103-106 (2020). MSC: 39A45 39B32 30D35 PDF BibTeX XML Cite \textit{L. Xu} et al., J. Nanchang Univ., Nat. Sci. 44, No. 2, 103--106 (2020; Zbl 07295489) Full Text: DOI
Wang, Chun; Xu, Tianzhou Hyers-Ulam-Rassias stability of a mixed type cubic-quartic functional equation in 2-Banach spaces. (Chinese. English summary) Zbl 07294865 Acta Math. Sci., Ser. A, Chin. Ed. 40, No. 2, 352-368 (2020). MSC: 39B82 39B72 39B52 PDF BibTeX XML Cite \textit{C. Wang} and \textit{T. Xu}, Acta Math. Sci., Ser. A, Chin. Ed. 40, No. 2, 352--368 (2020; Zbl 07294865)
Zhang, Shutao; Han, Yazhou Extremal problems of Hardy-Littlewood-Sobolev inequalities on compact Riemannian manifolds: the approximation method from subcritical to critical. (Chinese. English summary) Zbl 07294856 Acta Math. Sci., Ser. A, Chin. Ed. 40, No. 1, 63-71 (2020). MSC: 26D10 39B62 PDF BibTeX XML Cite \textit{S. Zhang} and \textit{Y. Han}, Acta Math. Sci., Ser. A, Chin. Ed. 40, No. 1, 63--71 (2020; Zbl 07294856)
EL-Sayed, Ahmed M. A.; Ebead, Hanaa R. On the existence of continuous positive monotonic solutions of a self-reference quadratic integral equation. (English) Zbl 07293343 J. Math. Appl. 43, 67-80 (2020). MSC: 47H10 46T20 39B22 PDF BibTeX XML Cite \textit{A. M. A. EL-Sayed} and \textit{H. R. Ebead}, J. Math. Appl. 43, 67--80 (2020; Zbl 07293343) Full Text: DOI
Nazam, Muhammad On \(J_c\)-contraction and related fixed-point problem with applications. (English) Zbl 07292729 Math. Methods Appl. Sci. 43, No. 17, 10221-10236 (2020). MSC: 47H10 39B72 34A08 15A24 PDF BibTeX XML Cite \textit{M. Nazam}, Math. Methods Appl. Sci. 43, No. 17, 10221--10236 (2020; Zbl 07292729) Full Text: DOI
Ammar, Aymen; Jeribi, Aref; Lazrag, Nawrez Sequence of multivalued linear operators converging in the generalized sense. (English) Zbl 07290389 Bull. Iran. Math. Soc. 46, No. 6, 1697-1729 (2020). MSC: 47A06 39B42 PDF BibTeX XML Cite \textit{A. Ammar} et al., Bull. Iran. Math. Soc. 46, No. 6, 1697--1729 (2020; Zbl 07290389) Full Text: DOI
Monea, Mihai; Marinescu, Dan Ştefan About a mean value theorem for product of two functions and some related results. (English) Zbl 07289703 Acta Math. Univ. Comen., New Ser. 89, No. 1, 1-7 (2020). MSC: 26A42 39B82 PDF BibTeX XML Cite \textit{M. Monea} and \textit{D. Ş. Marinescu}, Acta Math. Univ. Comen., New Ser. 89, No. 1, 1--7 (2020; Zbl 07289703)
El Ghali, Rachid; Almahalebi, Muaadh; Kabbaj, Samir General solution and hyperstability results for a cubic radical functional equation related to quadratic mapping. (English) Zbl 07289357 Proyecciones 39, No. 1, 107-122 (2020). MSC: 39B82 39B62 47H14 47J20 47H10 PDF BibTeX XML Cite \textit{R. El Ghali} et al., Proyecciones 39, No. 1, 107--122 (2020; Zbl 07289357) Full Text: DOI
Sayar, Khaled Yahya Naif; Bergam, Amal Some hyperstability results for a Cauchy-Jensen type functional equation in 2-Banach spaces. (English) Zbl 07289355 Proyecciones 39, No. 1, 73-89 (2020). Reviewer: Maryam Amyari (Mashhad) MSC: 39B82 39B52 PDF BibTeX XML Cite \textit{K. Y. N. Sayar} and \textit{A. Bergam}, Proyecciones 39, No. 1, 73--89 (2020; Zbl 07289355) Full Text: DOI
Sánchez C., Rainier V.; Sanabria, José E. Strongly convexity on fractal sets and some inequalities. (English) Zbl 07289351 Proyecciones 39, No. 1, 1-13 (2020). MSC: 26A51 26D07 26D15 39B62 PDF BibTeX XML Cite \textit{R. V. Sánchez C.} and \textit{J. E. Sanabria}, Proyecciones 39, No. 1, 1--13 (2020; Zbl 07289351) Full Text: DOI
Govindan, Vediyappan; Park, Choonkil; Pinelas, Sandra; Rassias, Themistocles M. Hyers-Ulam stability of an additive-quadratic functional equation. (English) Zbl 07289316 Cubo 22, No. 2, 233-255 (2020). MSC: 39B82 39B52 PDF BibTeX XML Cite \textit{V. Govindan} et al., Cubo 22, No. 2, 233--255 (2020; Zbl 07289316) Full Text: DOI
Kolodziejek, Bartosz; Piliszek, Agnieszka Independence characterization for Wishart and Kummer random matrices. (English) Zbl 07289289 REVSTAT 18, No. 3, 357-373 (2020). MSC: 62E10 62R10 60B20 60E05 39B42 PDF BibTeX XML Cite \textit{B. Kolodziejek} and \textit{A. Piliszek}, REVSTAT 18, No. 3, 357--373 (2020; Zbl 07289289) Full Text: Link
Li, Zheng; Zhang, Tie; Li, Chang-Jun An elementary three-variable inequality with constraints for the power function of the norms on some metric spaces. (English) Zbl 07288757 J. Math. Inequal. 14, No. 3, 631-640 (2020). MSC: 26D15 39B62 PDF BibTeX XML Cite \textit{Z. Li} et al., J. Math. Inequal. 14, No. 3, 631--640 (2020; Zbl 07288757) Full Text: DOI
Bergeron, Geoffroy; Crampé, Nicolas; Tsujimoto, Satoshi; Vinet, Luc; Zhedanov, Alexei The Heun-Racah and Heun-Bannai-Ito algebras. (English) Zbl 07287189 J. Math. Phys. 61, No. 8, 081701, 15 p. (2020). MSC: 33D45 33D99 39B42 PDF BibTeX XML Cite \textit{G. Bergeron} et al., J. Math. Phys. 61, No. 8, 081701, 15 p. (2020; Zbl 07287189) Full Text: DOI
Łukasik, Radosław D’Alembert’s and Wilson’s equations on semigroups. (English) Zbl 07286385 Aequationes Math. 94, No. 6, 1269-1279 (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 39B52 20M14 PDF BibTeX XML Cite \textit{R. Łukasik}, Aequationes Math. 94, No. 6, 1269--1279 (2020; Zbl 07286385) Full Text: DOI
Baias, Alina Ramona; Popa, Dorian On Ulam stability of a third order linear difference equation in Banach spaces. (English) Zbl 07286378 Aequationes Math. 94, No. 6, 1151-1170 (2020). MSC: 39A30 39A06 39B82 PDF BibTeX XML Cite \textit{A. R. Baias} and \textit{D. Popa}, Aequationes Math. 94, No. 6, 1151--1170 (2020; Zbl 07286378) Full Text: DOI
Burai, Pál; Makó, Judit; Szokol, Patricia Hermite-Hadamard type inequality for certain Schur convex functions. (English) Zbl 07285824 Math. Inequal. Appl. 23, No. 4, 1441-1458 (2020). MSC: 26B25 41A36 26D15 39B62 PDF BibTeX XML Cite \textit{P. Burai} et al., Math. Inequal. Appl. 23, No. 4, 1441--1458 (2020; Zbl 07285824) Full Text: DOI
Alinejad, Ahmad; Khodaei, Hamid; Rostami, Mehdi \(n\)-derivations and functional inequalities with applications. (English) Zbl 07285820 Math. Inequal. Appl. 23, No. 4, 1343-1360 (2020). MSC: 47B47 39B72 39B82 PDF BibTeX XML Cite \textit{A. Alinejad} et al., Math. Inequal. Appl. 23, No. 4, 1343--1360 (2020; Zbl 07285820) Full Text: DOI
Gümüş, I. H.; Moradi, H. R.; Sababheh, M. Further subadditive matrix inequalities. (English) Zbl 07284507 Math. Inequal. Appl. 23, No. 3, 1127-1134 (2020). MSC: 47A63 47A30 39B62 PDF BibTeX XML Cite \textit{I. H. Gümüş} et al., Math. Inequal. Appl. 23, No. 3, 1127--1134 (2020; Zbl 07284507) Full Text: DOI
Páles, Zsolt; Pasteczka, Paweł On Hardy type inequalities for weighted quasideviation means. (English) Zbl 07284496 Math. Inequal. Appl. 23, No. 3, 971-990 (2020). MSC: 26D15 26E60 39B62 40D25 PDF BibTeX XML Cite \textit{Z. Páles} and \textit{P. Pasteczka}, Math. Inequal. Appl. 23, No. 3, 971--990 (2020; Zbl 07284496) Full Text: DOI
Fish, Sara; King, Dylan; Miller, Steven J. Extensions of autocorrelation inequalities with applications to additive combinatorics. (English) Zbl 07282371 Bull. Aust. Math. Soc. 102, No. 3, 451-461 (2020). MSC: 26D10 39B62 PDF BibTeX XML Cite \textit{S. Fish} et al., Bull. Aust. Math. Soc. 102, No. 3, 451--461 (2020; Zbl 07282371) Full Text: DOI
Magnot, Jean-Pierre On the differential geometry of numerical schemes and weak solutions of functional equations. (English) Zbl 07278333 Nonlinearity 33, No. 12, 6835-6867 (2020). Reviewer: Gian Luigi Forti (Milano) MSC: 39B05 58A40 58B10 46T20 47J25 PDF BibTeX XML Cite \textit{J.-P. Magnot}, Nonlinearity 33, No. 12, 6835--6867 (2020; Zbl 07278333) Full Text: DOI
Carlen, Eric; Carvalho, Maria; Loss, Michael Spectral gaps for reversible Markov processes with chaotic invariant measures: the Kac process with hard sphere collisions in three dimensions. (English) Zbl 07276941 Ann. Probab. 48, No. 6, 2807-2844 (2020). MSC: 60G07 39B62 35Q20 PDF BibTeX XML Cite \textit{E. Carlen} et al., Ann. Probab. 48, No. 6, 2807--2844 (2020; Zbl 07276941) Full Text: DOI Euclid
Kalnitsky, V. S.; Petrov, A. N. Local smooth conjugations of Frobenius endomorphisms. (English. Russian original) Zbl 07276477 J. Math. Sci., New York 251, No. 4, 503-511 (2020); translation from Zap. Nauchn. Semin. POMI 476, 111-124 (2018). MSC: 39B22 17B63 08A35 PDF BibTeX XML Cite \textit{V. S. Kalnitsky} and \textit{A. N. Petrov}, J. Math. Sci., New York 251, No. 4, 503--511 (2020; Zbl 07276477); translation from Zap. Nauchn. Semin. POMI 476, 111--124 (2018) Full Text: DOI
Park, Choonkil; Jin, Yuanfeng; Shin, Dong Yun; Zhang, Xiaohong; Govindan, Vediyappan Permuting triderivations and permuting trihomomorphisms in Banach algebras. (English) Zbl 07274836 Rocky Mt. J. Math. 50, No. 5, 1793-1806 (2020). MSC: 39B52 39B62 39B82 46L57 47B47 17A40 PDF BibTeX XML Cite \textit{C. Park} et al., Rocky Mt. J. Math. 50, No. 5, 1793--1806 (2020; Zbl 07274836) Full Text: DOI Euclid
Tang, Xiao; Zeng, Yingying; Zhang, Weinian Interval homeomorphic solutions of a functional equation of nonautonomous iterations. (English) Zbl 07273505 Discrete Contin. Dyn. Syst. 40, No. 12, 6967-6984 (2020). Reviewer: Vladimir Mityushev (Kraków) MSC: 39B12 26A18 37E05 37B55 PDF BibTeX XML Cite \textit{X. Tang} et al., Discrete Contin. Dyn. Syst. 40, No. 12, 6967--6984 (2020; Zbl 07273505) Full Text: DOI
Jarczyk, Justyna; Jarczyk, Witold Gaussian iterative algorithm and integrated automorphism equation for random means. (English) Zbl 07273499 Discrete Contin. Dyn. Syst. 40, No. 12, 6837-6844 (2020). MSC: 60F17 39B12 26E60 37E05 PDF BibTeX XML Cite \textit{J. Jarczyk} and \textit{W. Jarczyk}, Discrete Contin. Dyn. Syst. 40, No. 12, 6837--6844 (2020; Zbl 07273499) Full Text: DOI
Pinelas, Sandra; Govindan, V.; Tamilvanan, K.; Baskaran, S. Intuitionistic fuzzy stability of an finite dimensional cubic functional equation. (English) Zbl 07272038 Pinelas, Sandra (ed.) et al., Differential and difference equations with applications. Selected papers based on the presentations at the fourth international conference, ICDDEA 2019, Lisbon, Portugal, July 1–5, 2019. Cham: Springer (ISBN 978-3-030-56322-6/hbk; 978-3-030-56323-3/ebook). Springer Proceedings in Mathematics & Statistics 333, 713-731 (2020). MSC: 39B82 54A40 PDF BibTeX XML Cite \textit{S. Pinelas} et al., in: Differential and difference equations with applications. Selected papers based on the presentations at the fourth international conference, ICDDEA 2019, Lisbon, Portugal, July 1--5, 2019. Cham: Springer. 713--731 (2020; Zbl 07272038) Full Text: DOI
Reinfelds, Andrejs; Christian, Shraddha Hyers-Ulam stability of a nonlinear Volterra integral equation on time scales. (English) Zbl 07271996 Pinelas, Sandra (ed.) et al., Differential and difference equations with applications. Selected papers based on the presentations at the fourth international conference, ICDDEA 2019, Lisbon, Portugal, July 1–5, 2019. Cham: Springer (ISBN 978-3-030-56322-6/hbk; 978-3-030-56323-3/ebook). Springer Proceedings in Mathematics & Statistics 333, 123-131 (2020). MSC: 45 39B82 PDF BibTeX XML Cite \textit{A. Reinfelds} and \textit{S. Christian}, in: Differential and difference equations with applications. Selected papers based on the presentations at the fourth international conference, ICDDEA 2019, Lisbon, Portugal, July 1--5, 2019. Cham: Springer. 123--131 (2020; Zbl 07271996) Full Text: DOI
Shi, Yong-Guo Single-valley-extended solutions with platforms of FKS equation. (English) Zbl 07271471 Result. Math. 75, No. 4, Paper No. 178, 9 p. (2020). MSC: 39B12 39B22 PDF BibTeX XML Cite \textit{Y.-G. Shi}, Result. Math. 75, No. 4, Paper No. 178, 9 p. (2020; Zbl 07271471) Full Text: DOI
Nikodem, Kazimierz; Rajba, Teresa Ohlin-type theorem for convex set-valued maps. (English) Zbl 07271455 Result. Math. 75, No. 4, Paper No. 162, 9 p. (2020). MSC: 26A51 26D15 39B62 PDF BibTeX XML Cite \textit{K. Nikodem} and \textit{T. Rajba}, Result. Math. 75, No. 4, Paper No. 162, 9 p. (2020; Zbl 07271455) Full Text: DOI
Ciepliński, Krzysztof On Ulam stability of a functional equation. (English) Zbl 07271444 Result. Math. 75, No. 4, Paper No. 151, 10 p. (2020). MSC: 39B82 39B52 39B72 PDF BibTeX XML Cite \textit{K. Ciepliński}, Result. Math. 75, No. 4, Paper No. 151, 10 p. (2020; Zbl 07271444) Full Text: DOI
Laczkovich, M. Vector valued polynomials, exponential polynomials and vector valued harmonic analysis. (English) Zbl 07271443 Result. Math. 75, No. 4, Paper No. 150, 24 p. (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 43A45 22A20 39B52 46G25 PDF BibTeX XML Cite \textit{M. Laczkovich}, Result. Math. 75, No. 4, Paper No. 150, 24 p. (2020; Zbl 07271443) Full Text: DOI
Aissi, Y.; Zeglami, D. D’Alembert’s matrix functional equation with an endomorphism on abelian groups. (English) Zbl 07271430 Result. Math. 75, No. 4, Paper No. 137, 17 p. (2020). MSC: 39B42 39B52 PDF BibTeX XML Cite \textit{Y. Aissi} and \textit{D. Zeglami}, Result. Math. 75, No. 4, Paper No. 137, 17 p. (2020; Zbl 07271430) Full Text: DOI
Anderson, Douglas R.; Onitsuka, Masakazu Hyers-Ulam stability and best constant for Cayley \(h\)-difference equations. (English) Zbl 07270615 Bull. Malays. Math. Sci. Soc. (2) 43, No. 6, 4207-4222 (2020). MSC: 39A30 39A13 39B82 PDF BibTeX XML Cite \textit{D. R. Anderson} and \textit{M. Onitsuka}, Bull. Malays. Math. Sci. Soc. (2) 43, No. 6, 4207--4222 (2020; Zbl 07270615) Full Text: DOI
Kostin, V. A.; Kostin, A. V.; Kostin, D. V. Operator sine functions and exponential trigonometric pairs. (English. Russian original) Zbl 07270512 J. Math. Sci., New York 251, No. 2, 267-272 (2020); translation from Zap. Nauchn. Semin. POMI 480, 162-169 (2019). MSC: 39B42 34A12 PDF BibTeX XML Cite \textit{V. A. Kostin} et al., J. Math. Sci., New York 251, No. 2, 267--272 (2020; Zbl 07270512); translation from Zap. Nauchn. Semin. POMI 480, 162--169 (2019) Full Text: DOI
Falihi, S.; Bodaghi, A.; Shojaee, B. A characterization of multi-mixed additive-quadratic mappings and a fixed point application. (English) Zbl 07269738 J. Contemp. Math. Anal., Armen. Acad. Sci. 55, No. 4, 235-247 (2020) and Izv. Nats. Akad. Nauk Armen., Mat. 55, No. 4, 31-46 (2020). MSC: 39B82 39B52 47H10 PDF BibTeX XML Cite \textit{S. Falihi} et al., J. Contemp. Math. Anal., Armen. Acad. Sci. 55, No. 4, 235--247 (2020; Zbl 07269738) Full Text: DOI
Gladkov, S. O.; Bogdanova, S. B. To the theory of synchronization of interacting pendulums oscillating in the parallel planes. (Russian. English summary) Zbl 07268324 Dal’nevost. Mat. Zh. 20, No. 1, 15-37 (2020). MSC: 70E55 34C15 39B32 PDF BibTeX XML Cite \textit{S. O. Gladkov} and \textit{S. B. Bogdanova}, Dal'nevost. Mat. Zh. 20, No. 1, 15--37 (2020; Zbl 07268324) Full Text: MNR
Zhao, Weili; Zhou, Hongjun Modularity equations between a class of \(S\)-uninorms and several commonly-used aggregation operators. (Chinese. English summary) Zbl 07267041 J. Shandong Univ., Nat. Sci. 55, No. 5, 55-70 (2020). MSC: 39B52 03B52 PDF BibTeX XML Cite \textit{W. Zhao} and \textit{H. Zhou}, J. Shandong Univ., Nat. Sci. 55, No. 5, 55--70 (2020; Zbl 07267041) Full Text: DOI
Hu, Chin-Yuan; Lin, Gwo Dong Necessary and sufficient conditions for unique solution to functional equations of Poincaré type. (English) Zbl 07265042 J. Math. Anal. Appl. 491, No. 2, Article ID 124399, 18 p. (2020). MSC: 39B05 PDF BibTeX XML Cite \textit{C.-Y. Hu} and \textit{G. D. Lin}, J. Math. Anal. Appl. 491, No. 2, Article ID 124399, 18 p. (2020; Zbl 07265042) Full Text: DOI
Anderson, Douglas R.; Onitsuka, Masakazu; Rassias, John Michael Best constant for Ulam stability of first-order \(h\)-difference equations with periodic coefficient. (English) Zbl 07265022 J. Math. Anal. Appl. 491, No. 2, Article ID 124363, 14 p. (2020). MSC: 39A30 39B82 PDF BibTeX XML Cite \textit{D. R. Anderson} et al., J. Math. Anal. Appl. 491, No. 2, Article ID 124363, 14 p. (2020; Zbl 07265022) Full Text: DOI
Bodaghi, Abasalt; Pinelas, Sandra; Vediyappan, Govindan; Gunesekaran, Kokila An \(n\)-dimensional cubic functional equation and its Hyers-Ulam stability. (English) Zbl 1450.39011 J. Anal. 28, No. 3, 663-682 (2020). MSC: 39B52 39B72 39B82 54A40 PDF BibTeX XML Cite \textit{A. Bodaghi} et al., J. Anal. 28, No. 3, 663--682 (2020; Zbl 1450.39011) Full Text: DOI
Moşneguţu, Bianca; Măduţǎ, Alexandra Ulam stability in real inner-product spaces. (English) Zbl 07259306 Constr. Math. Anal. 3, No. 3, 113-115 (2020). MSC: 39B72 39B82 PDF BibTeX XML Cite \textit{B. Moşneguţu} and \textit{A. Măduţǎ}, Constr. Math. Anal. 3, No. 3, 113--115 (2020; Zbl 07259306) Full Text: DOI
Senasukh, Jedsada; Saejung, Satit A note on the stability of some functional equations on certain groupoids. (English) Zbl 07259304 Constr. Math. Anal. 3, No. 2, 96-103 (2020). MSC: 39B52 39B82 54C60 47H10 PDF BibTeX XML Cite \textit{J. Senasukh} and \textit{S. Saejung}, Constr. Math. Anal. 3, No. 2, 96--103 (2020; Zbl 07259304) Full Text: DOI
Bayraktar, Turgay Mass equidistribution for random polynomials. (English) Zbl 07258436 Potential Anal. 53, No. 4, 1403-1421 (2020). MSC: 32A08 32A60 32A25 60D05 PDF BibTeX XML Cite \textit{T. Bayraktar}, Potential Anal. 53, No. 4, 1403--1421 (2020; Zbl 07258436) Full Text: DOI
Lee, Yang-Hi; Jung, Soon-Mo Generalized Hyers-Ulam stability of some cubic-quadratic-additive type functional equations. (English) Zbl 1450.39018 Kyungpook Math. J. 60, No. 1, 133-144 (2020). Reviewer: Eszter Gselmann (Debrecen) MSC: 39B82 39B52 PDF BibTeX XML Cite \textit{Y.-H. Lee} and \textit{S.-M. Jung}, Kyungpook Math. J. 60, No. 1, 133--144 (2020; Zbl 1450.39018) Full Text: DOI
Li, J.; Liu, K. Meromorphic solutions on the first order non-linear difference equations. (English) Zbl 07254986 Anal. Math. 46, No. 2, 323-344 (2020). Reviewer: Indrajit Lahiri (Kalyani) MSC: 30D35 39B32 PDF BibTeX XML Cite \textit{J. Li} and \textit{K. Liu}, Anal. Math. 46, No. 2, 323--344 (2020; Zbl 07254986) Full Text: DOI
Leonetti, P.; Schwaiger, J. The general linear equation on open connected sets. (English) Zbl 07254980 Acta Math. Hung. 161, No. 1, 201-211 (2020). Reviewer: Henrik Stetkær (Aarhus) MSC: 39B52 15A06 39B22 39B32 PDF BibTeX XML Cite \textit{P. Leonetti} and \textit{J. Schwaiger}, Acta Math. Hung. 161, No. 1, 201--211 (2020; Zbl 07254980) Full Text: DOI
Vati, Kedumetse; Székelyhidi, László Exponential monomials on hypergroup joins. (English) Zbl 07254911 Miskolc Math. Notes 21, No. 1, 463-472 (2020). MSC: 20N20 39B99 PDF BibTeX XML Cite \textit{K. Vati} and \textit{L. Székelyhidi}, Miskolc Math. Notes 21, No. 1, 463--472 (2020; Zbl 07254911) Full Text: DOI
Ramdoss, Murali; Pachaiyappan, Divyakumari; Dutta, Hemen Euler-Lagrange radical functional equations with solution and stability. (English) Zbl 07254904 Miskolc Math. Notes 21, No. 1, 351-365 (2020). MSC: 39B52 39B72 39B82 46B03 PDF BibTeX XML Cite \textit{M. Ramdoss} et al., Miskolc Math. Notes 21, No. 1, 351--365 (2020; Zbl 07254904) Full Text: DOI
Kiss, G.; Marichal, J.-L. On the best constants associated with \(n\)-distances. (English) Zbl 07254849 Acta Math. Hung. 161, No. 1, 341-365 (2020). Reviewer: Gian Luigi Forti (Milano) MSC: 39B72 26D99 PDF BibTeX XML Cite \textit{G. Kiss} and \textit{J. L. Marichal}, Acta Math. Hung. 161, No. 1, 341--365 (2020; Zbl 07254849) Full Text: DOI
Sbérgamo, G. E. Aczél’s iterations for three-variable means. (English) Zbl 07254838 Acta Math. Hung. 161, No. 1, 16-30 (2020). MSC: 26E60 39B12 PDF BibTeX XML Cite \textit{G. E. Sbérgamo}, Acta Math. Hung. 161, No. 1, 16--30 (2020; Zbl 07254838) Full Text: DOI
Haddadi, M. Ternary quadratic Pompeiu on ternary Banach algebras. (English) Zbl 07254153 Math. Sci., Springer 14, No. 2, 121-128 (2020). MSC: 39B72 39B82 46H05 PDF BibTeX XML Cite \textit{M. Haddadi}, Math. Sci., Springer 14, No. 2, 121--128 (2020; Zbl 07254153) Full Text: DOI
Ramzanpour, Elahe; Bodaghi, Abasalt; Gilani, Alireza Stability and hyperstability of multi-additive-cubic mappings in intuitionistic fuzzy normed spaces. (English) Zbl 1448.39048 Honam Math. J. 42, No. 2, 391-409 (2020). MSC: 39B82 39B52 39B72 47H10 54A40 PDF BibTeX XML Cite \textit{E. Ramzanpour} et al., Honam Math. J. 42, No. 2, 391--409 (2020; Zbl 1448.39048) Full Text: DOI
Einav, Amit; Morgan, Jeffrey J.; Tang, Bao Q. Indirect diffusion effect in degenerate reaction-diffusion systems. (English) Zbl 1448.35299 SIAM J. Math. Anal. 52, No. 5, 4314-4361 (2020). MSC: 35K57 35K65 35B40 35Q92 92E20 39B62 PDF BibTeX XML Cite \textit{A. Einav} et al., SIAM J. Math. Anal. 52, No. 5, 4314--4361 (2020; Zbl 1448.35299) Full Text: DOI
Vigneaux, Juan Pablo Information structures and their cohomology. (English) Zbl 1448.55011 Theory Appl. Categ. 35, 1476-1529 (2020). Reviewer: Hirokazu Nishimura (Tsukuba) MSC: 55N35 94A15 39B05 60A99 PDF BibTeX XML Cite \textit{J. P. Vigneaux}, Theory Appl. Categ. 35, 1476--1529 (2020; Zbl 1448.55011) Full Text: Link
Jung, Yong-Soo On the stability of the functional equation \(g(x+y+xy)=g(x)+f(y)+xf(y)+yg(x)\). (English) Zbl 1447.39019 J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 27, No. 1, 51-60 (2020). MSC: 39B82 PDF BibTeX XML Cite \textit{Y.-S. Jung}, J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 27, No. 1, 51--60 (2020; Zbl 1447.39019)
Paokanta, Siriluk; Shin, Dong Yun Quadratic \((\rho_1,\rho_2)\)-functional equation in fuzzy Banach spaces. (English) Zbl 1450.39013 J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 27, No. 1, 25-33 (2020). MSC: 39B52 46S40 47H10 39B62 26E50 47S40 PDF BibTeX XML Cite \textit{S. Paokanta} and \textit{D. Y. Shin}, J. Korean Soc. Math. Educ., Ser. B, Pure Appl. Math. 27, No. 1, 25--33 (2020; Zbl 1450.39013)
Cancès, Clément; Chainais-Hillairet, Claire; Herda, Maxime; Krell, Stella Large time behavior of nonlinear finite volume schemes for convection-diffusion equations. (English) Zbl 07248610 SIAM J. Numer. Anal. 58, No. 5, 2544-2571 (2020). Reviewer: Abdallah Bradji (Annaba) MSC: 65M08 35K51 35Q84 39B62 35B40 PDF BibTeX XML Cite \textit{C. Cancès} et al., SIAM J. Numer. Anal. 58, No. 5, 2544--2571 (2020; Zbl 07248610) Full Text: DOI
Dung, Nguyen Van; Hang, Vo Thi Le Solution to Kim-Rassias’s question on stability of generalized Euler-Lagrange quadratic functional equations in quasi-Banach spaces. (English) Zbl 1450.39020 Math. Methods Appl. Sci. 43, No. 5, 2709-2720 (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 39B82 39B52 46A16 PDF BibTeX XML Cite \textit{N. Van Dung} and \textit{V. T. Le Hang}, Math. Methods Appl. Sci. 43, No. 5, 2709--2720 (2020; Zbl 1450.39020) Full Text: DOI
Khodaei, Hamid Asymptotic behavior of \(n\)-Jordan homomorphisms. (English) Zbl 07246865 Mediterr. J. Math. 17, No. 5, Paper No. 143, 9 p. (2020). Reviewer: Choonkil Park (Seoul) MSC: 47B48 39B82 39B52 46L05 PDF BibTeX XML Cite \textit{H. Khodaei}, Mediterr. J. Math. 17, No. 5, Paper No. 143, 9 p. (2020; Zbl 07246865) Full Text: DOI
Benzarouala, Chaimaa; Oubbi, Lahbib Ulam-stability of a generalized linear functional equation, a fixed point approach. (English) Zbl 1448.39045 Aequationes Math. 94, No. 5, 989-1000 (2020). MSC: 39B82 39B52 47H10 PDF BibTeX XML Cite \textit{C. Benzarouala} and \textit{L. Oubbi}, Aequationes Math. 94, No. 5, 989--1000 (2020; Zbl 1448.39045) Full Text: DOI
Moslehian, Mohammad Sal Approximate \(n\)-idempotents and generalized Aluthge transform. (English) Zbl 07245827 Aequationes Math. 94, No. 5, 979-987 (2020). MSC: 47A55 39B82 47B15 PDF BibTeX XML Cite \textit{M. S. Moslehian}, Aequationes Math. 94, No. 5, 979--987 (2020; Zbl 07245827) Full Text: DOI
Dăianu, Dan M.; Mîndruţă, Cristina Sections in functional equations. (English) Zbl 1448.39036 Aequationes Math. 94, No. 5, 931-943 (2020). Reviewer: Eszter Gselmann (Debrecen) MSC: 39B22 39B12 PDF BibTeX XML Cite \textit{D. M. Dăianu} and \textit{C. Mîndruţă}, Aequationes Math. 94, No. 5, 931--943 (2020; Zbl 1448.39036) Full Text: DOI
Ajebbar, Omar; Elqorachi, Elhoucien A generalization of d’Alembert’s other functional equation on semigroups. (English) Zbl 1448.39037 Aequationes Math. 94, No. 5, 913-930 (2020). MSC: 39B52 39B32 PDF BibTeX XML Cite \textit{O. Ajebbar} and \textit{E. Elqorachi}, Aequationes Math. 94, No. 5, 913--930 (2020; Zbl 1448.39037) Full Text: DOI
García, G.; Mora, G. On the Ulam-Hyers stability of the complex functional equation \(F(z)+F(2z)+\cdots +F(nz)=0 \). (English) Zbl 07245822 Aequationes Math. 94, No. 5, 899-911 (2020). Reviewer: Maryam Amyari (Mashhad) MSC: 39B82 39B32 PDF BibTeX XML Cite \textit{G. García} and \textit{G. Mora}, Aequationes Math. 94, No. 5, 899--911 (2020; Zbl 07245822) Full Text: DOI
Berrone, Lucio R. The homomorphism equation on semilattices. (English) Zbl 1448.39038 Aequationes Math. 94, No. 5, 803-816 (2020). Reviewer: Ivan Chajda (Přerov) MSC: 39B52 06A12 PDF BibTeX XML Cite \textit{L. R. Berrone}, Aequationes Math. 94, No. 5, 803--816 (2020; Zbl 1448.39038) Full Text: DOI
Zeng, Xianhua; Huang, Xujian Phase-isometries between two \(\ell^p(\Gamma , H)\)-type spaces. (English) Zbl 1448.39041 Aequationes Math. 94, No. 5, 793-802 (2020). Reviewer: Jan-David Hardtke (Leipzig) MSC: 39B52 46B04 46B20 PDF BibTeX XML Cite \textit{X. Zeng} and \textit{X. Huang}, Aequationes Math. 94, No. 5, 793--802 (2020; Zbl 1448.39041) Full Text: DOI
Lee, Yang-Hi Hyers-Ulam-Rassias stability of a quadratic-cubic-quartic functional equation. (English) Zbl 1447.39020 Korean J. Math. 28, No. 2, 159-168 (2020). MSC: 39B82 PDF BibTeX XML Cite \textit{Y.-H. Lee}, Korean J. Math. 28, No. 2, 159--168 (2020; Zbl 1447.39020) Full Text: DOI
Nikodem, Kazimierz Set-valued means. (English) Zbl 07243975 Set-Valued Var. Anal. 28, No. 3, 559-568 (2020). MSC: 26E60 26B25 26E25 39B62 PDF BibTeX XML Cite \textit{K. Nikodem}, Set-Valued Var. Anal. 28, No. 3, 559--568 (2020; Zbl 07243975) Full Text: DOI
Jin, Sun-Sook; Lee, Yang-Hi A fixed point approach to the stability of the functional equations related to an additive and quartic mapping. (English) Zbl 1447.39018 Nonlinear Funct. Anal. Appl. 25, No. 2, 249-259 (2020). MSC: 39B82 47H10 PDF BibTeX XML Cite \textit{S.-S. Jin} and \textit{Y.-H. Lee}, Nonlinear Funct. Anal. Appl. 25, No. 2, 249--259 (2020; Zbl 1447.39018) Full Text: Link
Lee, Yang-Hi; Jung, Soon-Mo Stability of some cubic-additive functional equations. (English) Zbl 1447.39021 Nonlinear Funct. Anal. Appl. 25, No. 1, 35-54 (2020). MSC: 39B82 39B52 PDF BibTeX XML Cite \textit{Y.-H. Lee} and \textit{S.-M. Jung}, Nonlinear Funct. Anal. Appl. 25, No. 1, 35--54 (2020; Zbl 1447.39021) Full Text: Link
Jenaliyev, Muvasharkhan; Imanberdiyev, Kanzharbek; Kassymbekova, Arnay; Sharipov, Kadyrbek Stabilization of solutions of two-dimensional parabolic equations and related spectral problems. (English) Zbl 07241004 Eurasian Math. J. 11, No. 1, 72-85 (2020). MSC: 35K05 39B82 47A75 PDF BibTeX XML Cite \textit{M. Jenaliyev} et al., Eurasian Math. J. 11, No. 1, 72--85 (2020; Zbl 07241004) Full Text: DOI MNR
Phochai, Theerayoot; Saejung, Satit Hyperstability of generalised linear functional equations in several variables. (English) Zbl 1447.39023 Bull. Aust. Math. Soc. 102, No. 2, 293-302 (2020). Reviewer: Eszter Gselmann (Debrecen) MSC: 39B82 39B52 39B62 PDF BibTeX XML Cite \textit{T. Phochai} and \textit{S. Saejung}, Bull. Aust. Math. Soc. 102, No. 2, 293--302 (2020; Zbl 1447.39023) Full Text: DOI
Szostok, Tomasz Inequalities for Dragomir’s mappings via Stieltjes integrals. (English) Zbl 1448.26037 Bull. Aust. Math. Soc. 102, No. 2, 240-250 (2020). Reviewer: James Adedayo Oguntuase (Abeokuta) MSC: 26D15 26A51 26B25 26D10 39B62 PDF BibTeX XML Cite \textit{T. Szostok}, Bull. Aust. Math. Soc. 102, No. 2, 240--250 (2020; Zbl 1448.26037) Full Text: DOI
Thanyacharoen, Anurak; Sintunavarat, Wutiphol The new investigation of the stability of mixed type additive-quartic functional equations in non-Archimedean spaces. (English) Zbl 1446.39024 Demonstr. Math. 53, 174-192 (2020). MSC: 39B52 39B55 39B82 47H10 46H25 PDF BibTeX XML Cite \textit{A. Thanyacharoen} and \textit{W. Sintunavarat}, Demonstr. Math. 53, 174--192 (2020; Zbl 1446.39024) Full Text: DOI
Wang, Zhihua Approximate quadratic functional inequality in \(\beta\)-homogeneous normed spaces. (English) Zbl 1449.39031 J. Math. Res. Appl. 40, No. 1, 26-32 (2020). MSC: 39B82 39B52 PDF BibTeX XML Cite \textit{Z. Wang}, J. Math. Res. Appl. 40, No. 1, 26--32 (2020; Zbl 1449.39031) Full Text: DOI
Wu, Tao; Zhao, Bin Solutions to distributive equations of overlap and grouping functions. (Chinese. English summary) Zbl 07234906 J. Jilin Univ., Sci. 58, No. 1, 54-64 (2020). MSC: 39B72 03E72 PDF BibTeX XML Cite \textit{T. Wu} and \textit{B. Zhao}, J. Jilin Univ., Sci. 58, No. 1, 54--64 (2020; Zbl 07234906) Full Text: DOI
Liu, Jianhua; Meng, Qing On the stability of \( (\alpha, \beta)\)-derivations in cone Banach spaces. (English) Zbl 1449.39029 Acta Sci. Nat. Univ. Nankaiensis 53, No. 1, 41-47 (2020). MSC: 39B82 39B52 PDF BibTeX XML Cite \textit{J. Liu} and \textit{Q. Meng}, Acta Sci. Nat. Univ. Nankaiensis 53, No. 1, 41--47 (2020; Zbl 1449.39029)
De Rosa, Luigi; Serre, Denis; Tione, Riccardo On the upper semicontinuity of a quasiconcave functional. (English) Zbl 07233277 J. Funct. Anal. 279, No. 7, Article ID 108660, 34 p. (2020). MSC: 49J45 26B25 49N60 46N10 39B42 39B62 PDF BibTeX XML Cite \textit{L. De Rosa} et al., J. Funct. Anal. 279, No. 7, Article ID 108660, 34 p. (2020; Zbl 07233277) Full Text: DOI
Cheshmavar, Jahangir; Hosseini, Seyed Kamel; Park, Choonkil Some results on \(n\)-Jordan homomorphisms. (English) Zbl 07232968 Bull. Korean Math. Soc. 57, No. 1, 31-35 (2020). MSC: 47B48 46L05 46H25 39B52 PDF BibTeX XML Cite \textit{J. Cheshmavar} et al., Bull. Korean Math. Soc. 57, No. 1, 31--35 (2020; Zbl 07232968) Full Text: DOI
Lu, Guozhen; Shen, Yansheng Existence of solutions to fractional \(p\)-Laplacian systems with homogeneous nonlinearities of critical Sobolev growth. (English) Zbl 1445.35306 Adv. Nonlinear Stud. 20, No. 3, 579-597 (2020). MSC: 35R11 35B33 35J50 35J57 39B72 45G15 PDF BibTeX XML Cite \textit{G. Lu} and \textit{Y. Shen}, Adv. Nonlinear Stud. 20, No. 3, 579--597 (2020; Zbl 1445.35306) Full Text: DOI
Zdun, Marek Cezary On a linearization of the recursion \(U(x_0,x_1,x_2,\ldots )=\varphi (x_0, U(x_1,x_2,\ldots ))\) and its application in economics. (English) Zbl 1444.39022 Aequationes Math. 94, No. 4, 777-791 (2020). MSC: 39B12 26A18 39B72 91B08 PDF BibTeX XML Cite \textit{M. C. Zdun}, Aequationes Math. 94, No. 4, 777--791 (2020; Zbl 1444.39022) Full Text: DOI
Chudziak, Jacek On a derivation of the Goldstein-Einhorn probability weighting functions. (English) Zbl 1445.39018 Aequationes Math. 94, No. 4, 749-759 (2020). Reviewer: Gerasimos Soldatos (Thessaloniki) MSC: 39B22 91B16 PDF BibTeX XML Cite \textit{J. Chudziak}, Aequationes Math. 94, No. 4, 749--759 (2020; Zbl 1445.39018) Full Text: DOI
Ebanks, Bruce Some generalized quadratic functional equations on monoids. (English) Zbl 1450.39012 Aequationes Math. 94, No. 4, 737-747 (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 39B52 PDF BibTeX XML Cite \textit{B. Ebanks}, Aequationes Math. 94, No. 4, 737--747 (2020; Zbl 1450.39012) Full Text: DOI
Borus, Gergő Gyula; Gilányi, Attila Computer assisted solution of systems of two variable linear functional equations. (English) Zbl 1444.39024 Aequationes Math. 94, No. 4, 723-736 (2020). MSC: 39B52 68V05 68V15 PDF BibTeX XML Cite \textit{G. G. Borus} and \textit{A. Gilányi}, Aequationes Math. 94, No. 4, 723--736 (2020; Zbl 1444.39024) Full Text: DOI
Laczkovich, Miklós The Levi-Civita equation in function classes. (English) Zbl 1444.39026 Aequationes Math. 94, No. 4, 689-701 (2020). MSC: 39B52 43A45 PDF BibTeX XML Cite \textit{M. Laczkovich}, Aequationes Math. 94, No. 4, 689--701 (2020; Zbl 1444.39026) Full Text: DOI
Głazowska, Dorota; Jarczyk, Justyna; Jarczyk, Witold Embeddability of pairs of weighted quasi-arithmetic means into a semiflow. (English) Zbl 1448.26006 Aequationes Math. 94, No. 4, 679-687 (2020). Reviewer: James Adedayo Oguntuase (Abeokuta) MSC: 26A18 26E60 39B12 PDF BibTeX XML Cite \textit{D. Głazowska} et al., Aequationes Math. 94, No. 4, 679--687 (2020; Zbl 1448.26006) Full Text: DOI
Grünwald, Richárd; Páles, Zsolt On the equality problem of generalized Bajraktarević means. (English) Zbl 1447.39013 Aequationes Math. 94, No. 4, 651-677 (2020). Reviewer: Eszter Gselmann (Debrecen) MSC: 39B22 26E60 PDF BibTeX XML Cite \textit{R. Grünwald} and \textit{Z. Páles}, Aequationes Math. 94, No. 4, 651--677 (2020; Zbl 1447.39013) Full Text: DOI