Cubides Kovacsics, Pablo; Poineau, Jérôme Definable sets of Berkovich curves. (English) Zbl 1484.14056 J. Inst. Math. Jussieu 20, No. 4, 1275-1339 (2021). MSC: 14G22 12J25 03C98 PDFBibTeX XMLCite \textit{P. Cubides Kovacsics} and \textit{J. Poineau}, J. Inst. Math. Jussieu 20, No. 4, 1275--1339 (2021; Zbl 1484.14056) Full Text: DOI arXiv
Ghanbari, Behzad On novel nondifferentiable exact solutions to local fractional Gardner’s equation using an effective technique. (English) Zbl 1486.65217 Math. Methods Appl. Sci. 44, No. 6, 4673-4685 (2021). MSC: 65M99 35C05 26A33 35R11 35Q53 PDFBibTeX XMLCite \textit{B. Ghanbari}, Math. Methods Appl. Sci. 44, No. 6, 4673--4685 (2021; Zbl 1486.65217) Full Text: DOI
Poliakov, Nikolai L.; Saveliev, Denis I. On ultrafilter extensions of first-order models and ultrafilter interpretations. (English) Zbl 07373424 Arch. Math. Logic 60, No. 5, 625-681 (2021). MSC: 03C55 54C08 54C20 54D35 54D80 03C30 03C80 54A20 54B05 54B10 54B20 54C10 54C15 54C20 54C50 54F65 54E05 54H10 PDFBibTeX XMLCite \textit{N. L. Poliakov} and \textit{D. I. Saveliev}, Arch. Math. Logic 60, No. 5, 625--681 (2021; Zbl 07373424) Full Text: DOI arXiv
Wiertelak, Renata On \(\mathcal{S}\)-approximately continuous functions. (English) Zbl 1471.54006 Lith. Math. J. 61, No. 1, 96-105 (2021). Reviewer: Tomasz Natkaniec (Gdańsk) MSC: 54C10 54A10 26A15 28A20 PDFBibTeX XMLCite \textit{R. Wiertelak}, Lith. Math. J. 61, No. 1, 96--105 (2021; Zbl 1471.54006) Full Text: DOI
Lai, Hongliang; Shen, Lili Multi-adjoint concept lattices via quantaloid-enriched categories. (English) Zbl 1464.06003 Fuzzy Sets Syst. 405, 74-87 (2021). MSC: 06B23 18B35 18D20 18F75 68T30 PDFBibTeX XMLCite \textit{H. Lai} and \textit{L. Shen}, Fuzzy Sets Syst. 405, 74--87 (2021; Zbl 1464.06003) Full Text: DOI arXiv
Yeshkeyev, Aibat Rafhatovich; Kassymetova, Maira Technikovna; Ulbrikht, Olga Ivanovna Independence and simplicity in Jonsson theories with abstract geometry. (English) Zbl 07360159 Sib. Èlektron. Mat. Izv. 18, No. 1, 433-455 (2021). MSC: 03C60 03C68 03C10 PDFBibTeX XMLCite \textit{A. R. Yeshkeyev} et al., Sib. Èlektron. Mat. Izv. 18, No. 1, 433--455 (2021; Zbl 07360159) Full Text: DOI
Amini-Harandi, A.; Fakhar, M.; Hajisharifi, H. R. Fixed points of nearly quasi-closed and nearly almost convex mappings. (English) Zbl 1510.54022 J. Math. Anal. Appl. 502, No. 1, Article ID 125236, 8 p. (2021). MSC: 54H25 54E40 PDFBibTeX XMLCite \textit{A. Amini-Harandi} et al., J. Math. Anal. Appl. 502, No. 1, Article ID 125236, 8 p. (2021; Zbl 1510.54022) Full Text: DOI
Lambie-Hanson, Chris; Rinot, Assaf Knaster and friends II: the C-sequence number. (English) Zbl 07355297 J. Math. Log. 21, No. 1, Article ID 2150002, 54 p. (2021). MSC: 03E35 03E05 03E55 06E10 PDFBibTeX XMLCite \textit{C. Lambie-Hanson} and \textit{A. Rinot}, J. Math. Log. 21, No. 1, Article ID 2150002, 54 p. (2021; Zbl 07355297) Full Text: DOI arXiv
Rataj, Jan Mean Euler characteristic of stationary random closed sets. (English) Zbl 1469.60059 Stochastic Processes Appl. 137, 252-271 (2021). MSC: 60D05 60G60 53C65 PDFBibTeX XMLCite \textit{J. Rataj}, Stochastic Processes Appl. 137, 252--271 (2021; Zbl 1469.60059) Full Text: DOI arXiv
Sayed, Osama Rashed; El-Sanousy, El-Sayed; Sayed, Yaser Hassanein Ragheb Separation axioms in \((L,M)\)-fuzzy topology \((L,M)\)-fuzzy convexity spaces. (English) Zbl 1488.54034 Ann. Fuzzy Math. Inform. 21, No. 1, 93-103 (2021). MSC: 54A40 PDFBibTeX XMLCite \textit{O. R. Sayed} et al., Ann. Fuzzy Math. Inform. 21, No. 1, 93--103 (2021; Zbl 1488.54034) Full Text: DOI
Mirmiran, Majid Insertion of a contra-\(\gamma\)-continuous function between two comparable real-valued functions. (English) Zbl 1462.54014 Palest. J. Math. 10, No. 1, 332-339 (2021). MSC: 54C08 54C10 54C50 26A15 54C30 PDFBibTeX XMLCite \textit{M. Mirmiran}, Palest. J. Math. 10, No. 1, 332--339 (2021; Zbl 1462.54014) Full Text: Link
Aaronson, James; Ellis, David; Leader, Imre A note on transitive union-closed families. (English) Zbl 1461.05230 Electron. J. Comb. 28, No. 2, Research Paper P2.3, 4 p. (2021). MSC: 05D05 PDFBibTeX XMLCite \textit{J. Aaronson} et al., Electron. J. Comb. 28, No. 2, Research Paper P2.3, 4 p. (2021; Zbl 1461.05230) Full Text: DOI arXiv
Koszmider, Piotr; Laustsen, Niels Jakob A Banach space induced by an almost disjoint family, admitting only few operators and decompositions. (English) Zbl 07319242 Adv. Math. 381, Article ID 107613, 40 p. (2021). MSC: 47L10 46E15 54D80 46B26 46H40 47B38 47L20 54D45 PDFBibTeX XMLCite \textit{P. Koszmider} and \textit{N. J. Laustsen}, Adv. Math. 381, Article ID 107613, 40 p. (2021; Zbl 07319242) Full Text: DOI arXiv
Bartl, David; Fabian, Marián Can Pourciau’s open mapping theorem be derived from Clarke’s inverse mapping theorem easily? (English) Zbl 1460.46003 J. Math. Anal. Appl. 497, No. 2, Article ID 124858, 14 p. (2021). Reviewer: Mohammed El Aïdi (Bogotá) MSC: 46A30 PDFBibTeX XMLCite \textit{D. Bartl} and \textit{M. Fabian}, J. Math. Anal. Appl. 497, No. 2, Article ID 124858, 14 p. (2021; Zbl 1460.46003) Full Text: DOI
Gutiérrez García, Javier; Höhle, Ulrich; Kubiak, Tomasz Invariance of projective modules in \(\mathsf{Sup}\) under self-duality. (English) Zbl 1457.18006 Algebra Univers. 82, No. 1, Paper No. 9, 20 p. (2021). Reviewer: Sergejs Solovjovs (Praha) MSC: 18D20 06F07 03G10 06D10 06D75 18B25 PDFBibTeX XMLCite \textit{J. Gutiérrez García} et al., Algebra Univers. 82, No. 1, Paper No. 9, 20 p. (2021; Zbl 1457.18006) Full Text: DOI
Izzo, Alexander J. Polynomial hulls of arcs and curves. (English) Zbl 1475.32007 Proc. Am. Math. Soc. 149, No. 1, 199-207 (2021). Reviewer: Barbara Drinovec Drnovsek (Ljubljana) MSC: 32E20 32A38 32E30 46J10 46J15 PDFBibTeX XMLCite \textit{A. J. Izzo}, Proc. Am. Math. Soc. 149, No. 1, 199--207 (2021; Zbl 1475.32007) Full Text: DOI arXiv
Spodzieja, Stanisław A geometric model of an arbitrary differentially closed field of characteristic zero. (English) Zbl 1465.12007 Trans. Am. Math. Soc. 374, No. 1, 663-686 (2021). Reviewer: Gerhard Pfister (Kaiserslautern) MSC: 12H05 13N15 14P20 14P10 PDFBibTeX XMLCite \textit{S. Spodzieja}, Trans. Am. Math. Soc. 374, No. 1, 663--686 (2021; Zbl 1465.12007) Full Text: DOI arXiv
Sakbaev, V. Zh. Transformation semigroups of the space of functions that are square integrable with respect to a translation-invariant measure on a Banach space. (English. Russian original) Zbl 1460.28010 J. Math. Sci., New York 252, No. 1, 72-89 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 151, 73-90 (2018). Reviewer: Daniel Beltiţă (Bucureşti) MSC: 28C20 47D08 81Q05 PDFBibTeX XMLCite \textit{V. Zh. Sakbaev}, J. Math. Sci., New York 252, No. 1, 72--89 (2021; Zbl 1460.28010); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 151, 73--90 (2018) Full Text: DOI
Zavadskii, D. V. Analogs of the Lebesgue measure in spaces of sequences and classes of functions integrable with respect to these measures. (English. Russian original) Zbl 1460.28011 J. Math. Sci., New York 252, No. 1, 36-42 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 151, 37-44 (2018). Reviewer: Daniel Beltiţă (Bucureşti) MSC: 28C20 81Q05 47D08 PDFBibTeX XMLCite \textit{D. V. Zavadskii}, J. Math. Sci., New York 252, No. 1, 36--42 (2021; Zbl 1460.28011); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 151, 37--44 (2018) Full Text: DOI
Chiaselotti, Giampiero; Infusino, F. Some classes of abstract simplicial complexes motivated by module theory. (English) Zbl 1452.13027 J. Pure Appl. Algebra 225, No. 1, Article ID 106471, 44 p. (2021). Reviewer: Amir Mafi (Sanandaj and Tehran) MSC: 13F55 18D15 18D20 06F20 06A15 08A02 16D10 PDFBibTeX XMLCite \textit{G. Chiaselotti} and \textit{F. Infusino}, J. Pure Appl. Algebra 225, No. 1, Article ID 106471, 44 p. (2021; Zbl 1452.13027) Full Text: DOI
Macías, Sergio On Bellamy’s set function \(\Gamma\). (English) Zbl 1469.54022 Topol. Proc. 58, 45-69 (2021). Reviewer: David Maya (Toluca) MSC: 54F16 54B20 54C60 PDFBibTeX XMLCite \textit{S. Macías}, Topol. Proc. 58, 45--69 (2021; Zbl 1469.54022)
Bhattacharyya, Anjana \(fmg\)-Closed sets in fuzzy topological spaces. (English) Zbl 07806171 Sci. Stud. Res., Ser. Math. Inform. 30, No. 2, 21-56 (2020). MSC: 54A40 54C99 54D20 PDFBibTeX XMLCite \textit{A. Bhattacharyya}, Sci. Stud. Res., Ser. Math. Inform. 30, No. 2, 21--56 (2020; Zbl 07806171)
Bhattacharyya, Anjana On \(fg\gamma^{\ast}\)-closed sets in fuzzy topological spaces. (English) Zbl 07806162 Sci. Stud. Res., Ser. Math. Inform. 30, No. 1, 17-44 (2020). MSC: 54A40 54C99 54D20 PDFBibTeX XMLCite \textit{A. Bhattacharyya}, Sci. Stud. Res., Ser. Math. Inform. 30, No. 1, 17--44 (2020; Zbl 07806162)
Alsharari, Fahad; Saber, Yaser. M. \(\mathcal{G}\Theta_{\boldsymbol{\tau}_i}^{\star\boldsymbol{\tau}_j}\)-fuzzy closure operator. (English) Zbl 1507.54006 New Math. Nat. Comput. 16, No. 1, 123-141 (2020). MSC: 54A40 PDFBibTeX XMLCite \textit{F. Alsharari} and \textit{Yaser. M. Saber}, New Math. Nat. Comput. 16, No. 1, 123--141 (2020; Zbl 1507.54006) Full Text: DOI
Demirtaş, Naime; Ergül, Zehra Güzel Decomposition of soft continuity via soft locally \(b\)-closed set. (English) Zbl 1491.54001 Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 69, No. 1, 547-559 (2020). MSC: 54A05 54A40 03E72 54C08 PDFBibTeX XMLCite \textit{N. Demirtaş} and \textit{Z. G. Ergül}, Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 69, No. 1, 547--559 (2020; Zbl 1491.54001) Full Text: DOI
Al-Shami, Tareq M.; Alshammari, Ibtesam; Asaad, Baravan A. Soft maps via soft somewhere dense sets. (English) Zbl 1499.54044 Filomat 34, No. 10, 3429-3440 (2020). MSC: 54A40 54C08 54C10 54B10 PDFBibTeX XMLCite \textit{T. M. Al-Shami} et al., Filomat 34, No. 10, 3429--3440 (2020; Zbl 1499.54044) Full Text: DOI
Kara, Merve; Yazlik, Yasin On a solvable three-dimensional system of difference equations. (English) Zbl 1499.39005 Filomat 34, No. 4, 1167-1186 (2020). MSC: 39A10 39A20 39A23 PDFBibTeX XMLCite \textit{M. Kara} and \textit{Y. Yazlik}, Filomat 34, No. 4, 1167--1186 (2020; Zbl 1499.39005) Full Text: DOI
Velkoska, Aneta; Misajleski, Zoran Inner differentiability and differential forms on tangentially locally linearly independent sets. (English) Zbl 1499.26040 Filomat 34, No. 2, 365-372 (2020). MSC: 26B05 PDFBibTeX XMLCite \textit{A. Velkoska} and \textit{Z. Misajleski}, Filomat 34, No. 2, 365--372 (2020; Zbl 1499.26040) Full Text: DOI
El-Sheikh, S. A.; El-Sayed, Sawsan \(\gamma\)-operation & decomposition of some forms of fuzzy soft mappings on fuzzy soft ideal topological spaces. (English) Zbl 1513.54035 Filomat 34, No. 1, 187-196 (2020). MSC: 54A40 54C05 54C08 54C50 PDFBibTeX XMLCite \textit{S. A. El-Sheikh} and \textit{S. El-Sayed}, Filomat 34, No. 1, 187--196 (2020; Zbl 1513.54035) Full Text: DOI
El Atik, Abd El Fattah A.; Nasef, Arafa A. Some topological structures of fractals and their related graphs. (English) Zbl 1499.54135 Filomat 34, No. 1, 153-165 (2020). MSC: 54F17 28A80 54F15 54F50 54D05 37B10 54A05 PDFBibTeX XMLCite \textit{A. E. F. A. El Atik} and \textit{A. A. Nasef}, Filomat 34, No. 1, 153--165 (2020; Zbl 1499.54135) Full Text: DOI
Jain, Pankaj; Basu, Chandrani; Panwar, Vivek On \(B^\ast\)-clopen continuity, oscillation and convergence. (English) Zbl 1490.54016 Tbil. Math. J. 13, No. 4, 129-140 (2020). MSC: 54C08 54C10 54D20 PDFBibTeX XMLCite \textit{P. Jain} et al., Tbil. Math. J. 13, No. 4, 129--140 (2020; Zbl 1490.54016) Full Text: DOI
Ferreira, Ricardo Z. Non-Gaussianities in models of inflation with large and negative entropic masses. (English) Zbl 1492.83092 J. Cosmol. Astropart. Phys. 2020, No. 8, Paper No. 34, 28 p. (2020). MSC: 83E05 28C20 83E30 83F05 83C55 81Q05 35B20 47A10 83C57 PDFBibTeX XMLCite \textit{R. Z. Ferreira}, J. Cosmol. Astropart. Phys. 2020, No. 8, Paper No. 34, 28 p. (2020; Zbl 1492.83092) Full Text: DOI arXiv
Koparal, Fatma Diğdem; Özdemir, Yunus; Çelik, Derya; Koçak, Şahin Realization of a snowflaked interval as a Euclidean self-similar set. (English) Zbl 1490.28008 Chaos Solitons Fractals 139, Article ID 110187, 7 p. (2020). MSC: 28A80 28A75 54C10 PDFBibTeX XMLCite \textit{F. D. Koparal} et al., Chaos Solitons Fractals 139, Article ID 110187, 7 p. (2020; Zbl 1490.28008) Full Text: DOI
Boros, Endre; Gurvich, Vladimir; Milanič, Martin Characterizing and decomposing classes of threshold, split, and bipartite graphs via 1-Sperner hypergraphs. (English) Zbl 1485.05121 J. Graph Theory 94, No. 3, 364-397 (2020). MSC: 05C65 05C70 05C69 PDFBibTeX XMLCite \textit{E. Boros} et al., J. Graph Theory 94, No. 3, 364--397 (2020; Zbl 1485.05121) Full Text: DOI
Al-Omari, Ahmad; Noiri, Takashi Generalizations of regular and normal spaces. II. (English) Zbl 1499.54006 Mathematica 63(86), No. 1, 3-12 (2020). MSC: 54A05 54C08 54C10 54D15 PDFBibTeX XMLCite \textit{A. Al-Omari} and \textit{T. Noiri}, Mathematica 63(86), No. 1, 3--12 (2020; Zbl 1499.54006) Full Text: DOI
Thivagar, Maria Antony Lellis; Dasan, Muthayyan Arockia New generalized sets in \(N\)-topological spaces. (English) Zbl 1480.54005 Appl. Sci. 22, 216-224 (2020). MSC: 54A05 54A10 PDFBibTeX XMLCite \textit{M. A. L. Thivagar} and \textit{M. A. Dasan}, Appl. Sci. 22, 216--224 (2020; Zbl 1480.54005) Full Text: Link
Wheatley, Steve Characterizations of 2-homeomorphism and 2-homeomorphic spaces. (English) Zbl 1479.54032 Quest. Answers Gen. Topology 38, No. 2, 147-156 (2020). MSC: 54C10 54A10 PDFBibTeX XMLCite \textit{S. Wheatley}, Quest. Answers Gen. Topology 38, No. 2, 147--156 (2020; Zbl 1479.54032)
Sarsak, Mohammad S. On almost \(\mu\)-Lindelöf sets in \(\mu\)-spaces. (English) Zbl 1479.54013 Quest. Answers Gen. Topology 38, No. 2, 115-126 (2020). MSC: 54A05 54A10 54D20 PDFBibTeX XMLCite \textit{M. S. Sarsak}, Quest. Answers Gen. Topology 38, No. 2, 115--126 (2020; Zbl 1479.54013)
Vivek, S.; Mathew, Sunil C. Regular fuzzy closed sets and extensions of a double fuzzy topological space. (English) Zbl 1476.54008 J. Math. Ext. 14, No. 4, 101-112 (2020). MSC: 54A40 PDFBibTeX XMLCite \textit{S. Vivek} and \textit{S. C. Mathew}, J. Math. Ext. 14, No. 4, 101--112 (2020; Zbl 1476.54008) Full Text: Link
Shravan, Karishma; Tripathy, Binod Chandra Metrizability of multiset topological spaces. (English) Zbl 1499.54127 Bull. Transilv. Univ. Brașov, Ser. III, Math. Inform. Phys. 13(62), No. 2, 683-696 (2020). MSC: 54E35 54A05 54A35 54C10 54C60 PDFBibTeX XMLCite \textit{K. Shravan} and \textit{B. C. Tripathy}, Bull. Transilv. Univ. Brașov, Ser. III, Math. Inform. Phys. 13(62), No. 2, 683--696 (2020; Zbl 1499.54127) Full Text: DOI
Jafari, S.; Noiri, T.; Rajesh, N.; Saranya, R. Properties of \(\beta\)-open sets in ideal minimal spaces. (English) Zbl 1488.54007 An. Univ. Oradea, Fasc. Mat. 27, No. 1, 95-101 (2020). MSC: 54A05 54D10 PDFBibTeX XMLCite \textit{S. Jafari} et al., An. Univ. Oradea, Fasc. Mat. 27, No. 1, 95--101 (2020; Zbl 1488.54007)
Beceren, Yusuf; Noiri, Takashi On \(\alpha \delta s\)-irresolute functions. (English) Zbl 1488.54048 An. Univ. Oradea, Fasc. Mat. 27, No. 1, 15-19 (2020). MSC: 54C08 54C10 54A05 PDFBibTeX XMLCite \textit{Y. Beceren} and \textit{T. Noiri}, An. Univ. Oradea, Fasc. Mat. 27, No. 1, 15--19 (2020; Zbl 1488.54048)
Rajasekaran, Ilangovan; Nethaji, Ochanan An ideal nano \(\wedge_g\)-closed sets. (English) Zbl 1474.54015 Bull. Int. Math. Virtual Inst. 10, No. 2, 275-282 (2020). MSC: 54A05 54C08 54C10 PDFBibTeX XMLCite \textit{I. Rajasekaran} and \textit{O. Nethaji}, Bull. Int. Math. Virtual Inst. 10, No. 2, 275--282 (2020; Zbl 1474.54015)
Crole, R. L. The nominal/FM Yoneda lemma. (English) Zbl 1472.03065 Math. Struct. Comput. Sci. 30, No. 9, 1011-1024 (2020). MSC: 03E70 18B05 18D20 PDFBibTeX XMLCite \textit{R. L. Crole}, Math. Struct. Comput. Sci. 30, No. 9, 1011--1024 (2020; Zbl 1472.03065) Full Text: DOI
O’Regan, Donal Coincidence results for compositions of multivalued maps based on countable compactness principles. (English) Zbl 1460.54051 J. Nonlinear Convex Anal. 21, No. 3, 543-549 (2020). MSC: 54H25 54C60 55M20 PDFBibTeX XMLCite \textit{D. O'Regan}, J. Nonlinear Convex Anal. 21, No. 3, 543--549 (2020; Zbl 1460.54051) Full Text: Link
Butanas, Lyle Leon L.; Labendia, Mhelmar A. \(\theta_\omega\)-connected space and \(\theta_\omega\)-continuity in the product space. (English) Zbl 1474.54023 Poincare J. Anal. Appl. 7, No. 1, 79-88 (2020). MSC: 54A10 54A05 PDFBibTeX XMLCite \textit{L. L. L. Butanas} and \textit{M. A. Labendia}, Poincare J. Anal. Appl. 7, No. 1, 79--88 (2020; Zbl 1474.54023)
Khedhiri, Hedi On construction of positive closed currents with prescribed Lelong numbers. (English) Zbl 07334094 J. Sib. Fed. Univ., Math. Phys. 13, No. 3, 331-341 (2020). MSC: 32Bxx 32Cxx 32Uxx 58Axx PDFBibTeX XMLCite \textit{H. Khedhiri}, J. Sib. Fed. Univ., Math. Phys. 13, No. 3, 331--341 (2020; Zbl 07334094) Full Text: DOI MNR Link
Panteleyev, Vladimir I.; Riabets, Leonid V. \(E\)-closed sets of hyperfunctions on two-element set. (English) Zbl 07334086 J. Sib. Fed. Univ., Math. Phys. 13, No. 2, 231-241 (2020). MSC: 03Bxx 08Axx 03Cxx 03-XX PDFBibTeX XMLCite \textit{V. I. Panteleyev} and \textit{L. V. Riabets}, J. Sib. Fed. Univ., Math. Phys. 13, No. 2, 231--241 (2020; Zbl 07334086) Full Text: DOI MNR
Burç Kandemir, Mustafa; Tanay, Bekir On topological soft sets. (English) Zbl 1462.54004 J. Appl. Math. Stat. Inform. 16, No. 2, 5-22 (2020). MSC: 54A05 54C10 54C50 54C60 PDFBibTeX XMLCite \textit{M. Burç Kandemir} and \textit{B. Tanay}, J. Appl. Math. Stat. Inform. 16, No. 2, 5--22 (2020; Zbl 1462.54004) Full Text: DOI
Kihara, Takayuki; Marcone, Alberto; Pauly, Arno Searching for an analogue of \(\text{ATR}_0\) in the Weihrauch lattice. (English) Zbl 1473.03026 J. Symb. Log. 85, No. 3, 1006-1043 (2020). Reviewer: Jeffry L. Hirst (Boone) MSC: 03D78 03D30 03B30 03F35 PDFBibTeX XMLCite \textit{T. Kihara} et al., J. Symb. Log. 85, No. 3, 1006--1043 (2020; Zbl 1473.03026) Full Text: DOI arXiv
Panteleev, Vladimir Innokent’evich; Ryabets, Leonid Vladimirovich Classification of multioperations of rank 2 by \(E\)-precomplete sets. (English) Zbl 1477.08006 Izv. Irkutsk. Gos. Univ., Ser. Mat. 34, 93-108 (2020). MSC: 08A40 PDFBibTeX XMLCite \textit{V. I. Panteleev} and \textit{L. V. Ryabets}, Izv. Irkutsk. Gos. Univ., Ser. Mat. 34, 93--108 (2020; Zbl 1477.08006) Full Text: DOI Link
Uzzal Afsan, B. M. A generalization of \(\beta\)-compact space and \(\beta\)-perfect functions. (English) Zbl 1456.54005 J. Adv. Math. Stud. 13, No. 3, 264-274 (2020). MSC: 54C10 54D30 54A10 54E55 54D20 54A20 PDFBibTeX XMLCite \textit{B. M. Uzzal Afsan}, J. Adv. Math. Stud. 13, No. 3, 264--274 (2020; Zbl 1456.54005) Full Text: Link
Emmenegger, Jacopo; Palmgren, Erik Exact completion and constructive theories of sets. (English) Zbl 1485.03257 J. Symb. Log. 85, No. 2, 563-584 (2020). Reviewer: Amit Kuber (Kanpur) MSC: 03G30 18A35 18B25 18A15 03B38 18B05 18D15 03F55 PDFBibTeX XMLCite \textit{J. Emmenegger} and \textit{E. Palmgren}, J. Symb. Log. 85, No. 2, 563--584 (2020; Zbl 1485.03257) Full Text: DOI arXiv
Gorman, Alexi Block; Hieronymi, Philipp; Kaplan, Elliot Pairs of theories satisfying a Mordell-Lang condition. (English) Zbl 1461.03028 Fundam. Math. 251, No. 2, 131-160 (2020). Reviewer: Beibut Kulpeshov (Almaty) MSC: 03C64 03C10 03B25 06F20 PDFBibTeX XMLCite \textit{A. B. Gorman} et al., Fundam. Math. 251, No. 2, 131--160 (2020; Zbl 1461.03028) Full Text: DOI arXiv Backlinks: MO
Roy, Bishwambhar More on decomposition of generalized continuity. (English) Zbl 1456.54003 Acta Univ. Sapientiae, Math. 12, No. 1, 212-221 (2020). MSC: 54C08 54C10 PDFBibTeX XMLCite \textit{B. Roy}, Acta Univ. Sapientiae, Math. 12, No. 1, 212--221 (2020; Zbl 1456.54003) Full Text: DOI
Liu, Min Cartesian closedness of a category of non-frame valued complete fuzzy orders. (English) Zbl 1452.18006 Fuzzy Sets Syst. 390, 96-104 (2020). MSC: 18B35 18D15 PDFBibTeX XMLCite \textit{M. Liu}, Fuzzy Sets Syst. 390, 96--104 (2020; Zbl 1452.18006) Full Text: DOI
Ullah, Hafiz; Khan, Moiz ud Din Almost-s-Hurewicz ditopological texture spaces. (English) Zbl 1463.54012 Ann. Fuzzy Math. Inform. 20, No. 1, 1-13 (2020). MSC: 54A05 54A10 54C08 54C10 PDFBibTeX XMLCite \textit{H. Ullah} and \textit{M. u. D. Khan}, Ann. Fuzzy Math. Inform. 20, No. 1, 1--13 (2020; Zbl 1463.54012) Full Text: DOI
Ananthi, V.; Bhuvaneswari, K. \( \omega \)-topology and \(\alpha \)-topology. (English) Zbl 1474.54002 South East Asian J. Math. Math. Sci. 16, No. 1A, 163-176 (2020). MSC: 54A05 PDFBibTeX XMLCite \textit{V. Ananthi} and \textit{K. Bhuvaneswari}, South East Asian J. Math. Math. Sci. 16, No. 1A, 163--176 (2020; Zbl 1474.54002) Full Text: Link
Tripathy, Binod Chandra; Ray, Gautam Chandra Fuzzy \(\delta^\ast \)-almost continuous and fuzzy \(\delta^\ast \)-continuous functions in mixed fuzzy ideal topological spaces. (English) Zbl 1455.54011 Proyecciones 39, No. 2, 435-449 (2020). MSC: 54A40 54D20 54C08 54C10 54A05 54C60 54E55 PDFBibTeX XMLCite \textit{B. C. Tripathy} and \textit{G. C. Ray}, Proyecciones 39, No. 2, 435--449 (2020; Zbl 1455.54011) Full Text: DOI
Medvedev, Sergey \(F_\sigma\)-mappings between paracompact perfect spaces. (English) Zbl 1470.54023 Topology Appl. 281, Article ID 107208, 11 p. (2020). Reviewer: Petr Holický (Praha) MSC: 54H05 54E52 54C10 PDFBibTeX XMLCite \textit{S. Medvedev}, Topology Appl. 281, Article ID 107208, 11 p. (2020; Zbl 1470.54023) Full Text: DOI
Ostrovsky, Alexey Singular analytic sets. (English) Zbl 1458.54022 Topology Appl. 281, Article ID 107194, 7 p. (2020). MSC: 54E50 54C10 54E52 54H05 03E15 46A30 28A05 PDFBibTeX XMLCite \textit{A. Ostrovsky}, Topology Appl. 281, Article ID 107194, 7 p. (2020; Zbl 1458.54022) Full Text: DOI
Chebotarev, A. N. From LP formulas of the form \(F(t)\) to \(-\omega \)-regular expressions. (English. Russian original) Zbl 1477.68149 Cybern. Syst. Anal. 56, No. 5, 689-700 (2020); translation from Kibern. Sist. Anal. 2020, No. 5, 3-17 (2020). MSC: 68Q45 03D05 PDFBibTeX XMLCite \textit{A. N. Chebotarev}, Cybern. Syst. Anal. 56, No. 5, 689--700 (2020; Zbl 1477.68149); translation from Kibern. Sist. Anal. 2020, No. 5, 3--17 (2020) Full Text: DOI
Taskara, Necati; Tollu, Durhasan T.; Touafek, Nouressadat; Yazlik, Yasin A solvable system of difference equations. (English) Zbl 1451.39006 Commun. Korean Math. Soc. 35, No. 1, 301-319 (2020). MSC: 39A20 39A10 39A22 PDFBibTeX XMLCite \textit{N. Taskara} et al., Commun. Korean Math. Soc. 35, No. 1, 301--319 (2020; Zbl 1451.39006) Full Text: DOI
Pi, Jiandong; Meng, Liyuan; Wang, Ruiying Some properties of fuzzifying scp-topological space. (Chinese. English summary) Zbl 1463.54035 Fuzzy Syst. Math. 34, No. 1, 35-40 (2020). MSC: 54A40 54C05 54C10 PDFBibTeX XMLCite \textit{J. Pi} et al., Fuzzy Syst. Math. 34, No. 1, 35--40 (2020; Zbl 1463.54035)
Özkoc, M.; Erdem, S. On weakly \(e^*\)-open and weakly \(e^*\)-closed functions. (English) Zbl 1463.54049 J. Linear Topol. Algebra 9, No. 3, 201-211 (2020). MSC: 54C08 54C10 54C05 PDFBibTeX XMLCite \textit{M. Özkoc} and \textit{S. Erdem}, J. Linear Topol. Algebra 9, No. 3, 201--211 (2020; Zbl 1463.54049) Full Text: Link
Sen, R. On some properties of the hyperspace \(\theta (X)\) and the study of the space \(\downarrow \theta C(X)\). (English) Zbl 1463.54045 J. Linear Topol. Algebra 9, No. 3, 185-192 (2020). MSC: 54B20 PDFBibTeX XMLCite \textit{R. Sen}, J. Linear Topol. Algebra 9, No. 3, 185--192 (2020; Zbl 1463.54045) Full Text: Link
Boonpok, Chawalit; Viriyapong, Chokchai \(\mu\mathcal{I}^*\)-closed sets in ideal strong generalized topological spaces. (English) Zbl 1448.54001 Int. J. Math. Comput. Sci. 15, No. 4, 975-982 (2020). MSC: 54A05 54A10 PDFBibTeX XMLCite \textit{C. Boonpok} and \textit{C. Viriyapong}, Int. J. Math. Comput. Sci. 15, No. 4, 975--982 (2020; Zbl 1448.54001) Full Text: Link
Moghbeli-Damaneh, Halimeh The symmetric monoidal closed category of cpo \(M\)-sets. (English) Zbl 1446.18005 Categ. Gen. Algebr. Struct. Appl. 13, No. 1, 105-124 (2020). MSC: 18B35 06F05 20M30 18D15 PDFBibTeX XMLCite \textit{H. Moghbeli-Damaneh}, Categ. Gen. Algebr. Struct. Appl. 13, No. 1, 105--124 (2020; Zbl 1446.18005) Full Text: Link
Banerjee, Amar Kumar; Pal, Jagannath New separation axioms in generalized bitopological spaces. (English) Zbl 1452.54002 Math. Sci., Springer 14, No. 2, 185-192 (2020). MSC: 54A05 54D10 PDFBibTeX XMLCite \textit{A. K. Banerjee} and \textit{J. Pal}, Math. Sci., Springer 14, No. 2, 185--192 (2020; Zbl 1452.54002) Full Text: DOI arXiv
Rasham, Tahair; Shoaib, Abdullah; Zaman, Qamar; Shabbir, M. S. Fixed point results for a generalized \(F\)-contractive mapping on closed ball with application. (English) Zbl 1452.54034 Math. Sci., Springer 14, No. 2, 177-184 (2020). MSC: 54H25 54E40 54C60 PDFBibTeX XMLCite \textit{T. Rasham} et al., Math. Sci., Springer 14, No. 2, 177--184 (2020; Zbl 1452.54034) Full Text: DOI
Bazhenov, N.; Marchuk, M. A note on decidable categoricity and index sets. (English) Zbl 1443.03020 Sib. Èlektron. Mat. Izv. 17, 1013-1026 (2020). MSC: 03C57 03D45 PDFBibTeX XMLCite \textit{N. Bazhenov} and \textit{M. Marchuk}, Sib. Èlektron. Mat. Izv. 17, 1013--1026 (2020; Zbl 1443.03020) Full Text: DOI
Ayupov, Sh. A.; Zhuraev, T. F. On projectively inductively closed subfunctors of the functor \(P\) of probability measures. (English. Russian original) Zbl 1448.54005 J. Math. Sci., New York 245, No. 3, 382-389 (2020); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 144, 88-95 (2018). MSC: 54B30 54B35 54C05 54C15 54C60 PDFBibTeX XMLCite \textit{Sh. A. Ayupov} and \textit{T. F. Zhuraev}, J. Math. Sci., New York 245, No. 3, 382--389 (2020; Zbl 1448.54005); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 144, 88--95 (2018) Full Text: DOI
Kushnir, Alexey; Liu, Shuo On linear transformations of intersections. (English) Zbl 1460.52005 Set-Valued Var. Anal. 28, No. 3, 475-489 (2020). Reviewer: Maria A. Hernández Cifre (Murcia) MSC: 52A20 52A35 PDFBibTeX XMLCite \textit{A. Kushnir} and \textit{S. Liu}, Set-Valued Var. Anal. 28, No. 3, 475--489 (2020; Zbl 1460.52005) Full Text: DOI Link
Prapart, Pue-on; Boonpok, Chawalit \(\mathcal{B}\)-closed sets in \(\mathcal{B}\)-space. (English) Zbl 1445.54003 Int. J. Math. Comput. Sci. 15, No. 3, 821-826 (2020). MSC: 54A05 54D10 PDFBibTeX XMLCite \textit{P.-o. Prapart} and \textit{C. Boonpok}, Int. J. Math. Comput. Sci. 15, No. 3, 821--826 (2020; Zbl 1445.54003) Full Text: Link
Peanchal, Walailuk; Boonpok, Chawalit; Viriyapong, Chokchai Weakly generalized closed sets in ideal topological spaces. (English) Zbl 1445.54002 Int. J. Math. Comput. Sci. 15, No. 3, 779-785 (2020). MSC: 54A05 PDFBibTeX XMLCite \textit{W. Peanchal} et al., Int. J. Math. Comput. Sci. 15, No. 3, 779--785 (2020; Zbl 1445.54002) Full Text: Link
Goubault, Éric; Mimram, Samuel Directed homotopy in non-positively curved spaces. (English) Zbl 1496.68225 Log. Methods Comput. Sci. 16, No. 3, Paper No. 4, 55 p. (2020). Reviewer: Philippe Gaucher (Paris) MSC: 68Q85 18D15 54E35 55U35 68Q42 68Q55 PDFBibTeX XMLCite \textit{É. Goubault} and \textit{S. Mimram}, Log. Methods Comput. Sci. 16, No. 3, Paper No. 4, 55 p. (2020; Zbl 1496.68225) Full Text: arXiv Link
Nezir, Veysel; Dutta, Hemen; Oran, Serap A large class of non-weakly compact subsets in a renorming of \(c_0\) with FPP. (English) Zbl 07217498 Castillo, Oscar (ed.) et al., Recent advances in intelligent information systems and applied mathematics. Selected papers based on the presentations at the 2nd international conference on information technology and applied mathematics, ICITAM 2019, Haldia Institute of Technology, Haldia, India, March 7–9, 2019. Cham: Springer. Stud. Comput. Intell. 863, 835-854 (2020). MSC: 47-XX 46-XX PDFBibTeX XMLCite \textit{V. Nezir} et al., Stud. Comput. Intell. 863, 835--854 (2020; Zbl 07217498) Full Text: DOI
Drewnowski, Lech True preimages of compact or separable sets for functional analysts. (English) Zbl 07217159 Commentat. Math. Univ. Carol. 61, No. 1, 69-82 (2020). Reviewer: Mihai Turinici (Iaşi) MSC: 46A16 54E45 46A30 54E35 54E40 54E50 54D65 54C10 PDFBibTeX XMLCite \textit{L. Drewnowski}, Commentat. Math. Univ. Carol. 61, No. 1, 69--82 (2020; Zbl 07217159) Full Text: DOI
Bilao, M. S.; Labendia, M. A. Somewhat-connectedness and somewhat-continuity in the product space. (English) Zbl 1442.54017 J. Linear Topol. Algebra 9, No. 2, 139-148 (2020). MSC: 54D05 54A10 54A05 PDFBibTeX XMLCite \textit{M. S. Bilao} and \textit{M. A. Labendia}, J. Linear Topol. Algebra 9, No. 2, 139--148 (2020; Zbl 1442.54017)
Greshnov, A. V. Distance functions between sets in \((q_1, q_2)\)-quasimetric spaces. (English. Russian original) Zbl 1447.54021 Sib. Math. J. 61, No. 3, 417-425 (2020); translation from Sib. Mat. Zh. 61, No. 3, 528-538 (2020). Reviewer: Shou Lin (Ningde) MSC: 54E35 54E50 54B20 PDFBibTeX XMLCite \textit{A. V. Greshnov}, Sib. Math. J. 61, No. 3, 417--425 (2020; Zbl 1447.54021); translation from Sib. Mat. Zh. 61, No. 3, 528--538 (2020) Full Text: DOI
Kurilić, Miloš S.; Todorčević, Stevo Posets of copies of countable non-scattered labeled linear orders. (English) Zbl 1481.03054 Order 37, No. 1, 59-72 (2020). MSC: 03E35 03E40 03E05 06A06 03C50 PDFBibTeX XMLCite \textit{M. S. Kurilić} and \textit{S. Todorčević}, Order 37, No. 1, 59--72 (2020; Zbl 1481.03054) Full Text: DOI
Borg, Peter; Fenech, Kurt; Kaemawichanurat, Pawaton Isolation of \(k\)-cliques. (English) Zbl 1440.05157 Discrete Math. 343, No. 7, Article ID 111879, 4 p. (2020). MSC: 05C69 PDFBibTeX XMLCite \textit{P. Borg} et al., Discrete Math. 343, No. 7, Article ID 111879, 4 p. (2020; Zbl 1440.05157) Full Text: DOI arXiv
Li, Minghua; Meng, Kaiwen; Yang, Xiaoqi On far and near ends of closed and convex sets. (English) Zbl 1439.52004 J. Convex Anal. 27, No. 2, 407-421 (2020). MSC: 52A10 52A15 52A20 52A99 49J52 49J53 PDFBibTeX XMLCite \textit{M. Li} et al., J. Convex Anal. 27, No. 2, 407--421 (2020; Zbl 1439.52004) Full Text: Link
Timm, Mathew Spaces with regular nonabelian self covers. II. (English) Zbl 1439.54016 Topol. Proc. 55, 127-145 (2020). MSC: 54F15 54C10 20B25 57M10 PDFBibTeX XMLCite \textit{M. Timm}, Topol. Proc. 55, 127--145 (2020; Zbl 1439.54016)
Kolyada, Sergiĭ A survey of some aspects of dynamical topology: dynamical compactness and Slovak spaces. (English) Zbl 1443.37006 Discrete Contin. Dyn. Syst., Ser. S 13, No. 4, 1291-1317 (2020). Reviewer: Thomas B. Ward (Leeds) MSC: 37B02 37B05 37B40 37B45 54C05 54C10 54D30 PDFBibTeX XMLCite \textit{S. Kolyada}, Discrete Contin. Dyn. Syst., Ser. S 13, No. 4, 1291--1317 (2020; Zbl 1443.37006) Full Text: DOI
El Harami, Mohamed Conditional expectation of Pettis integrable unbounded random sets. (English) Zbl 1455.60010 J. Korean Math. Soc. 57, No. 2, 359-381 (2020). MSC: 60B11 28C20 PDFBibTeX XMLCite \textit{M. El Harami}, J. Korean Math. Soc. 57, No. 2, 359--381 (2020; Zbl 1455.60010) Full Text: DOI
Sanabria, J.; Rosas, E.; Vásquez, L. On inversely \(\theta\)-semi-open and inversely \(\theta\)-semi-closed functions. (English) Zbl 1437.54010 Mat. Stud. 53, No. 1, 92-99 (2020). MSC: 54C08 54C10 PDFBibTeX XMLCite \textit{J. Sanabria} et al., Mat. Stud. 53, No. 1, 92--99 (2020; Zbl 1437.54010) Full Text: DOI
Juárez-Villa, Leonardo; Puga, Isabel Confluent set-valued functions and inverse limits. (English) Zbl 1440.54023 Topology Appl. 276, Article ID 107171, 10 p. (2020). Reviewer: Władysław Makuchowski (Opole) MSC: 54F17 54F15 54C60 54C05 54C10 PDFBibTeX XMLCite \textit{L. Juárez-Villa} and \textit{I. Puga}, Topology Appl. 276, Article ID 107171, 10 p. (2020; Zbl 1440.54023) Full Text: DOI
García Guirao, Juan Luis; Llibre, Jaume; Gao, Wei Topological entropy of continuous self-maps on closed surfaces. (English) Zbl 1439.37016 J. Difference Equ. Appl. 26, No. 2, 203-208 (2020). MSC: 37B40 37E30 54C05 PDFBibTeX XMLCite \textit{J. L. García Guirao} et al., J. Difference Equ. Appl. 26, No. 2, 203--208 (2020; Zbl 1439.37016) Full Text: DOI Link
Capulín, Félix; Castañeda-Alvarado, Enrique; Ordoñez, Norberto; Ruiz, Marco A. The hyperspace of \(\mathcal{T} \)-closed subcontinua. (English) Zbl 1441.54023 Topology Appl. 275, Article ID 107154, 15 p. (2020). Reviewer: Alejandro Illanes (Ciudad de México) MSC: 54F16 54B20 54B05 54F15 PDFBibTeX XMLCite \textit{F. Capulín} et al., Topology Appl. 275, Article ID 107154, 15 p. (2020; Zbl 1441.54023) Full Text: DOI
Chatyrko, Vitalij A.; Shakhmatov, Dmitri B. Topological groups all continuous automorphisms of which are open. (English) Zbl 1437.22001 Topology Appl. 275, Article ID 107051, 18 p. (2020). Reviewer: Nikolay I. Kryuchkov (Ryazan) MSC: 22A05 20K30 22B05 22D05 46A30 54A10 54D45 54H11 PDFBibTeX XMLCite \textit{V. A. Chatyrko} and \textit{D. B. Shakhmatov}, Topology Appl. 275, Article ID 107051, 18 p. (2020; Zbl 1437.22001) Full Text: DOI arXiv
Kočinac, Ljubiša D. R.; Konca, Şükran Set-Menger and related properties. (English) Zbl 1437.54020 Topology Appl. 275, Article ID 106996, 9 p. (2020). Reviewer: David B. Gauld (Auckland) MSC: 54D20 54B05 54C10 54G10 91A44 PDFBibTeX XMLCite \textit{L. D. R. Kočinac} and \textit{Ş. Konca}, Topology Appl. 275, Article ID 106996, 9 p. (2020; Zbl 1437.54020) Full Text: DOI
Ribeiro, Willian On generalized equilogical spaces. (English) Zbl 1442.54001 Topology Appl. 273, Article ID 106971, 18 p. (2020). Reviewer: Sami Lazaar (Sidi Daoued) MSC: 54A05 54B30 18D15 54D80 18B35 PDFBibTeX XMLCite \textit{W. Ribeiro}, Topology Appl. 273, Article ID 106971, 18 p. (2020; Zbl 1442.54001) Full Text: DOI arXiv
Matayoshi, Jeffrey Well-graded families and the union-closed sets conjecture. (English) Zbl 1507.05096 Electron. J. Comb. 27, No. 1, Research Paper P1.64, 18 p. (2020). MSC: 05D05 06A07 PDFBibTeX XMLCite \textit{J. Matayoshi}, Electron. J. Comb. 27, No. 1, Research Paper P1.64, 18 p. (2020; Zbl 1507.05096) Full Text: DOI Link
Tiwari, Rajesh Kumar; Maitra, J. K.; Vishwakarma, Ravi Some generalized continuous maps via ideal. (English) Zbl 1449.54022 Afr. Mat. 31, No. 2, 207-217 (2020). MSC: 54C08 54C10 54A05 PDFBibTeX XMLCite \textit{R. K. Tiwari} et al., Afr. Mat. 31, No. 2, 207--217 (2020; Zbl 1449.54022) Full Text: DOI
Jeribi, Aref; Kaddachi, Najib; Krichen, Bilel Fixed-point theorems for multivalued operator matrix under weak topology with an application. (English) Zbl 1503.47077 Bull. Malays. Math. Sci. Soc. (2) 43, No. 2, 1047-1067 (2020). MSC: 47H10 47H04 47H08 PDFBibTeX XMLCite \textit{A. Jeribi} et al., Bull. Malays. Math. Sci. Soc. (2) 43, No. 2, 1047--1067 (2020; Zbl 1503.47077) Full Text: DOI
Lipecki, Zbigniew Order intervals in Banach lattices and their extreme points. (English) Zbl 1459.46023 Colloq. Math. 160, No. 1, 119-132 (2020). MSC: 46B42 52A07 28B05 06E99 PDFBibTeX XMLCite \textit{Z. Lipecki}, Colloq. Math. 160, No. 1, 119--132 (2020; Zbl 1459.46023) Full Text: DOI
Zheng, Xi Yin Well-posed solvability of convex optimization problems on a differentiable or continuous closed convex set. (English) Zbl 1433.49039 SIAM J. Optim. 30, No. 1, 490-512 (2020). MSC: 49K40 90C05 90C25 90C31 PDFBibTeX XMLCite \textit{X. Y. Zheng}, SIAM J. Optim. 30, No. 1, 490--512 (2020; Zbl 1433.49039) Full Text: DOI
Santhini, C.; Suganya, M. New notions in ideal topological space. (English) Zbl 1431.54003 Bol. Soc. Parana. Mat. (3) 38, No. 5, 19-31 (2020). MSC: 54A05 54A10 PDFBibTeX XMLCite \textit{C. Santhini} and \textit{M. Suganya}, Bol. Soc. Parana. Mat. (3) 38, No. 5, 19--31 (2020; Zbl 1431.54003) Full Text: Link
Saritha, R.; Rajesh, N. Almost semicontinuous multifunctions via ideals. (English) Zbl 1431.54006 Bol. Soc. Parana. Mat. (3) 38, No. 2, 149-167 (2020). MSC: 54C05 54C60 54C08 54C10 PDFBibTeX XMLCite \textit{R. Saritha} and \textit{N. Rajesh}, Bol. Soc. Parana. Mat. (3) 38, No. 2, 149--167 (2020; Zbl 1431.54006) Full Text: Link