Doklady Bolgarskoĭ Akademii Nauk Short Title: C. R. Acad. Bulg. Sci. Parallel Title: Comptes Rendus de l’Académie Bulgare des Sciences Publisher: Bulgarian Academy of Sciences - BAS (Bălgarska Akademiya na Naukite - BAN), Sofia ISSN: 1310-1331; 2367-5535/e Online: http://www.proceedings.bas.bg/ Comments: years 1948 - 1994: ISSN 0366-8681; years 1995 - 2003: ISSN 0861-1459; since 2003: ISSN 1310-1331 Documents Indexed: 2,959 Publications (since 1948) all top 5 Latest Issues 74, No. 12 (2021) 74, No. 11 (2021) 74, No. 10 (2021) 74, No. 9 (2021) 74, No. 8 (2021) 74, No. 7 (2021) 74, No. 6 (2021) 74, No. 5 (2021) 74, No. 4 (2021) 74, No. 3 (2021) 74, No. 2 (2021) 74, No. 1 (2021) 73, No. 12 (2020) 73, No. 11 (2020) 73, No. 10 (2020) 73, No. 9 (2020) 73, No. 8 (2020) 73, No. 7 (2020) 73, No. 6 (2020) 73, No. 5 (2020) 73, No. 4 (2020) 73, No. 3 (2020) 73, No. 2 (2020) 73, No. 1 (2020) 72, No. 12 (2019) 72, No. 11 (2019) 72, No. 10 (2019) 72, No. 9 (2019) 72, No. 8 (2019) 72, No. 7 (2019) 72, No. 6 (2019) 72, No. 5 (2019) 72, No. 4 (2019) 72, No. 3 (2019) 72, No. 2 (2019) 72, No. 1 (2019) 71, No. 12 (2018) 71, No. 11 (2018) 71, No. 10 (2018) 71, No. 9 (2018) 71, No. 8 (2018) 71, No. 7 (2018) 71, No. 6 (2018) 71, No. 5 (2018) 71, No. 4 (2018) 71, No. 3 (2018) 71, No. 2 (2018) 71, No. 1 (2018) 70, No. 12 (2017) 70, No. 11 (2017) 70, No. 10 (2017) 70, No. 9 (2017) 70, No. 8 (2017) 70, No. 7 (2017) 70, No. 6 (2017) 70, No. 5 (2017) 70, No. 4 (2017) 70, No. 3 (2017) 70, No. 2 (2017) 70, No. 1 (2017) 69, No. 12 (2016) 69, No. 11 (2016) 69, No. 10 (2016) 69, No. 9 (2016) 69, No. 8 (2016) 69, No. 7 (2016) 69, No. 6 (2016) 69, No. 5 (2016) 69, No. 4 (2016) 69, No. 3 (2016) 69, No. 2 (2016) 69, No. 1 (2016) 68, No. 12 (2015) 68, No. 11 (2015) 68, No. 10 (2015) 68, No. 9 (2015) 68, No. 8 (2015) 68, No. 7 (2015) 68, No. 6 (2015) 68, No. 5 (2015) 68, No. 4 (2015) 68, No. 3 (2015) 68, No. 2 (2015) 68, No. 1 (2015) 67, No. 12 (2014) 67, No. 11 (2014) 67, No. 10 (2014) 67, No. 9 (2014) 67, No. 8 (2014) 67, No. 7 (2014) 67, No. 6 (2014) 67, No. 5 (2014) 67, No. 4 (2014) 67, No. 3 (2014) 67, No. 2 (2014) 67, No. 1 (2014) 66, No. 12 (2013) 66, No. 11 (2013) 66, No. 10 (2013) 66, No. 9 (2013) ...and 343 more Volumes all top 5 Authors 48 Sendov, Blagovest Khristov 40 Popivanov, Petar Radoev 39 Atanassov, Krassimir Todorov 38 Khadzhiivanov, Nikolaĭ G. 38 Yanev, Nikolay Mihailov 29 Kyurkchiev, Nikolaĭ Veselinov 28 Slavova, Angela 26 Bainov, Drumi Dimitrov 25 Mollov, Todor Zh. 25 Nachev, Nako A. 24 Nenov, Nedyalko Dimov 24 Popchev, Ivan P. 23 Kenderov, Petar Stojanov 23 Rusev, Petăr Kirilov 23 Todorov, Pavel Georgiev 21 Danchev, Peter Vassilev 21 Karadzhov, Georgi Eremiev 21 Obreshkov, Nikola Dimitrov 19 Choban, Mitrofan Mihailovich 19 Mihovski, Stoil V. 19 Nedev, Stoyan Y. 19 Popov, Vasil Atanasov 18 Bozinov, Nikolai S. 18 Dimovski, Ivan Hristov 18 Proinov, Petko D. 18 Veselinov, Vasil M. 16 Mitov, Kosto V. 16 Tonchev, Vladimir D. 15 Drensky, Vesselin 15 Iliev, Lyubomir 15 Rastogi, Suresh Chandra 15 Stanilov, Grozio 15 Tchakerian, Kerope B. 14 Abilov, Vladimir A. 14 Ganchev, Georgi T. 14 Kounchev, Ognyan Ivanov 14 Mladenov, Ivaĭlo M. 13 Georgiev, Vladimir S. 13 Gramchev, Todor V. 13 Karatoprakliev, G. D. 13 Petrushev, Pencho P. 13 Rangelov, Tsviatko V. 13 Shkodrov, Vladimir 13 Vassilevski, Panayot Spirov 12 Andreev, Andreĭ Stefanov 12 Bojadziev, Georgi N. 12 Boyanov, Borislav Dechev 12 Kovacheva, Ralitsa Krumova 12 Kutev, Nikolai D. 12 Popivanov, Nedyu Iv. 12 Valov, Vesko M. 11 Arkhangel’skiĭ, Aleksandr Vladimirovich 11 Damyanov, Blagovest P. 11 Iliev, Anton I. 11 Ivanov Todorov, Maxim 11 Kirchev, Kiril P. 11 Kiryakova, Virginia S. 11 Mekerov, Dimitr G. 11 Nikolov, Nikolai Marinov 11 Topencharov, Vladimir V. 10 Dontchev, Asen L. 10 Iordanov, Iordan V. 10 Kostov, Vladimir Petrov 10 Paneva-Konovska, Jordanka D. 10 Popov, Georgi St. 10 Revalski, Julian Petrov 10 Ribarska, Nadezhda K. 10 Skordev, Dimit’r G. 10 Zlatanov, Georgi Z. 9 Boev, Toshko B. 9 Cheremenskiĭ, Aleksandr Georgievich 9 Christov, Christo Ivanov 9 Dimov, Georgi D. 9 Djidjev, Hristo Nicolov 9 Khristov, Valentin Z. 9 Minkova, Leda D. 9 Nedyalkov, I. P. 9 Semerdzhiev, Khr. I. 9 Shishkov, B. B. 9 Stavrova, Dimitrina N. 9 Zahran, Yousef Hashem 8 Boyadzhiev, Khristo N. 8 Genchev, Todor G. 8 Iliev, Georgi L. 8 Ivanova-Karatopraklieva, Ivanka I. 8 Kasparian, Azniv Kirkor 8 Kassabov, Ognian T. 8 Khristov, Vladimir Kh. 8 Krastanov, Mikhail Ivanov 8 Landzhev, Ivan Nikolov 8 Manev, Nikolai L. 8 Milanov, P. B. 8 Mushkarov, Oleg K. 8 Rassias, John Michael 8 Semerdjieva, Rossitza I. 8 Troyanski, Stanimir L. 7 Andreev, Andrey Borissov 7 Angelova, Vera A. 7 Borisova, Galina S. 7 Boychev, Georgi S. ...and 1,424 more Authors all top 5 Fields 390 Partial differential equations (35-XX) 251 Differential geometry (53-XX) 230 Numerical analysis (65-XX) 212 Approximations and expansions (41-XX) 186 General topology (54-XX) 183 Functions of a complex variable (30-XX) 183 Functional analysis (46-XX) 145 Group theory and generalizations (20-XX) 130 Probability theory and stochastic processes (60-XX) 129 Ordinary differential equations (34-XX) 121 Associative rings and algebras (16-XX) 111 Combinatorics (05-XX) 108 Operator theory (47-XX) 100 Special functions (33-XX) 96 Mathematical logic and foundations (03-XX) 96 Computer science (68-XX) 82 Real functions (26-XX) 82 Calculus of variations and optimal control; optimization (49-XX) 75 Operations research, mathematical programming (90-XX) 70 Harmonic analysis on Euclidean spaces (42-XX) 69 Number theory (11-XX) 62 Fluid mechanics (76-XX) 62 Systems theory; control (93-XX) 62 Information and communication theory, circuits (94-XX) 57 Several complex variables and analytic spaces (32-XX) 56 Statistics (62-XX) 55 Mechanics of particles and systems (70-XX) 52 Biology and other natural sciences (92-XX) 50 Field theory and polynomials (12-XX) 50 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 46 Global analysis, analysis on manifolds (58-XX) 45 Integral transforms, operational calculus (44-XX) 40 Linear and multilinear algebra; matrix theory (15-XX) 38 Topological groups, Lie groups (22-XX) 38 Algebraic topology (55-XX) 36 Nonassociative rings and algebras (17-XX) 34 Algebraic geometry (14-XX) 34 Dynamical systems and ergodic theory (37-XX) 34 Mechanics of deformable solids (74-XX) 29 Commutative algebra (13-XX) 27 Sequences, series, summability (40-XX) 27 Quantum theory (81-XX) 25 Geometry (51-XX) 22 Integral equations (45-XX) 21 Convex and discrete geometry (52-XX) 17 Order, lattices, ordered algebraic structures (06-XX) 17 Category theory; homological algebra (18-XX) 17 Potential theory (31-XX) 16 Manifolds and cell complexes (57-XX) 13 Measure and integration (28-XX) 10 General algebraic systems (08-XX) 8 Classical thermodynamics, heat transfer (80-XX) 7 Optics, electromagnetic theory (78-XX) 6 Difference and functional equations (39-XX) 6 Abstract harmonic analysis (43-XX) 6 Astronomy and astrophysics (85-XX) 6 Geophysics (86-XX) 4 Relativity and gravitational theory (83-XX) 2 Statistical mechanics, structure of matter (82-XX) 1 General and overarching topics; collections (00-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 808 Publications have been cited 2,465 times in 2,049 Documents Cited by ▼ Year ▼ Fixed-point theorems. Zbl 0274.54033Chatterjea, S. K. 244 1972 Some properties of a class of logarithmically completely monotonic functions. Zbl 0658.26010Atanassov, R. D.; Tsoukrovski, U. V. 51 1988 Note on the almost complex manifolds with a Norden metric. Zbl 0608.53031Ganchev, G. T.; Borisov, A. V. 47 1986 An infinite dimensional subspace of \(C[0,1]\) consisting of nowhere differentiable functions. Zbl 0945.26010Fonf, V.; Gurariy, V.; Kadets, M. 32 1999 Every minimal Abelian group is precompact. Zbl 0546.22001Prodanov, I. R.; Stoyanov, L. N. 26 1984 Temporal intuitionistic fuzzy sets. Zbl 0761.04005Atanassov, K. T. 26 1991 Cohomology of Lie superalgebras. Zbl 0586.17005Fuks, D. B.; Leites, D. A. 23 1984 A formula for the characters of finite dimensional irreducible representations of Lie superalgebras of the series \(\text{Gl}\) and \(\text{sl}\). Zbl 0457.17002Bernshtein, I. N.; Leites, D. A. 22 1980 Most of the optimization problems have unique solution. Zbl 0541.49006Kenderov, P. S. 21 1984 On directionally dependent subdifferentials. Zbl 1289.49021Ginchev, Ivan; Mordukhovich, Boris 17 2011 Monotone operators in Asplund spaces. Zbl 0377.47036Kenderov, P. S. 16 1977 Dense Gâteaux differentiability of the sup-norm in C(T) and the topological properties of T. Zbl 0608.46012Choban, M. M.; Kenderov, P. S. 14 1985 Fragmentability of Banach spaces. Zbl 0891.46008Kenderov, P. S.; Moors, W. B. 14 1996 On quarter-symmetric metric connection. Zbl 0396.53009Rastogi, S. C. 14 1978 Sur une propriété de la fonction de Bergman. Zbl 0206.09002Ramadanov, I. 14 1967 On apriori estimates of difference schemes giving an account of the boundary effect. Zbl 0673.65045Makarov, V. 13 1989 A cohomological dimension not preserved by Stone-Čech compactification. Zbl 0677.54025Dranishnikov, A. N. 13 1988 Approximation of convex bodies by polytopes. Zbl 0474.52007Gruber, P. M. 13 1981 Population dynamics control in regard to minimizing the time necessary for the regeneration of a biomass taken away from the population. Zbl 0691.92016Bainov, D. D.; Dishliev, A. B. 12 1989 On the stability of the Euler-Lagrange functional equation. Zbl 0789.46036Rassias, J. M. 12 1992 On an operational calculus for a differential operator. Zbl 0188.43002Dimovski, I. 12 1968 A characterization of Asplund spaces with the help of local \(\epsilon\)-supports of Ekeland and Lebourg. Zbl 0577.46012Fabian, M.; Zhivkov, N. V. 12 1985 On the blow-up time of a parabolic system with damping terms. Zbl 1324.35070Viglialoro, Giuseppe 12 2014 Generators of invariants of two \(4\times 4\) matrices. Zbl 1104.16018Drensky, V.; Sadikova, L. 11 2006 Example of a simply connected surface of general type for which the local Torelli theorem is not valid. Zbl 0363.14005Kynev, V. I. 11 1977 On irregularities of distribution. Zbl 0616.10042Projnov, P. D. 10 1986 Generalized Poisson transmutations and corresponding representations of hyper-Bessel functions. Zbl 0628.33006Dimovski, I. Kh.; Kiryakova, V. S. 10 1986 On metric characterizations of some classes of Banach spaces. Zbl 1289.46038Ostrovskii, Mikhail 10 2011 Semilocal convergence of two iterative methods for simultaneous computation of polynomial zeros. Zbl 1119.65043Proinov, P. D. 10 2006 Invariant polynomial functions on Lie superalgebras. Zbl 0501.17003Sergeev, A. N. 10 1982 Riesz summability of multiple Hermite series in \(L^ p\) spaces. Zbl 0829.40003Karadzhov, G. E. 10 1994 Generalized index matrices. Zbl 0636.15016Atanassov, K. T. 9 1987 Two operators on intuitionistic fuzzy sets. Zbl 0651.03040Atanassov, K. T. 9 1988 Intuitionistic fuzzy logic. Zbl 0698.03010Atanassov, K. T.; Gargov, G. K. 9 1990 Codimensions of T-ideals and Hilbert series of relatively free algebras. Zbl 0496.16018Drensky, V. S. 9 1981 Another class of completable quasi-uniform spaces. Zbl 0776.54020Doitchinov, D. 9 1991 Blow-up of a general Keller-Segel system with source and damping terms. Zbl 1363.35159Marras, Monica; Viglialoro, Giuseppe 9 2016 The optimal double-error correcting codes of Zetterberg and Dumer- Zinov’ev are quasiperfect. Zbl 0576.94019Dodunekov, S. M. 9 1985 An approach to the description of a rigid body motion. Zbl 0588.70006Mladenova, C. D. 9 1985 Generalized B-manifold. Zbl 0567.53033Gribachev, K. I.; Mekerov, D. G.; Dzhelepov, G. D. 9 1985 Extended interval arithmetic. Zbl 0407.65018Markov, S. M. 9 1977 Examples of simple infinite dimensional Lie superalgebras of vector fields. Zbl 0457.17005Alekseevskii, D. V.; Leites, D. A.; Shchepochkina, I. M. 9 1980 On completeness of quasi-uniform spaces. Zbl 0649.54015Doichinov, D. 8 1988 A characterization of the balls in \(C^ n\) by means of the Bergman kernel. Zbl 0484.32012Ramadanov, I. P. 8 1981 Strictly definite extreme points of the unit ball in a polynomial space. Zbl 1199.26049Milev, Lozko; Naidenov, Nikola 8 2008 Exceptional simple infinite-dimensional Lie superalgebras. Zbl 0559.17003Shchepochkina, I. M. 8 1983 Sur une classe d’équations de la mécanique analytique au sens de I. Tzenoff. Zbl 0115.18201Mangeron, D.; Deleanu, S. 8 1962 About a partial theta function. Zbl 1313.26002Kostov, V. 8 2013 Explicit estimates for blow-up solutions to parabolic systems under nonlocal boundary conditions. Zbl 1313.35145Marras, Monica; Vernier; Piro, Stella 8 2014 On the connection between rational and spline approximation. Zbl 0325.41010Popov, V. A. 8 1974 The set-valued monotone mappings are almost everywhere single-valued. Zbl 0339.47024Kenderov, P. S. 8 1974 Addendum to “\(K3\)-surfaces of genus 8 and varieties of sums of powers of cubic fourfolds” [Trans. Am. Math. Soc. 353, No. 4, 1455–1468 (2001; Zbl 0966.14027)]. Zbl 1138.14301Iliev, A.; Ranestad, K. 8 2007 Asymptotic formula for the number of plane partitions of positive integers. Zbl 1101.05009Mutafchiev, L.; Kamenov, E. 8 2006 Asymptotic expansions of zeros of a partial theta function. Zbl 1340.26001Kostov, Vladimir 8 2015 A property of a partial theta function. Zbl 1324.33013Kostov, Vladimir P. 8 2014 Unified selection and factorization theorems. Zbl 0622.54015Gutev, V. G. 7 1987 Inverse scattering problem for the wave equation with time-dependent potential. Zbl 0668.35087Stefanov, P. D. 7 1987 On condition (\(\beta\)) and \(\Delta\)-uniform convexity. Zbl 0696.46017Kutzarova, D. N. 7 1989 Nets in an \(n\)-dimensional Weil space. Zbl 0699.53016Zlatanov, G. 7 1988 An example of a 15-vertex Ramsey (3,3)-graph with clique number 4. Zbl 0489.05041Nenov, N. D. 7 1981 The superalgebra \(Q(n)\), the odd trace and the odd determinant. Zbl 0494.17002Bernshtein, I. N.; Leites, D. A. 7 1982 On Bernstein polynomials. Zbl 0512.41003Ivanov, K. G. 7 1982 Multiplicities of Schur functions with applications to invariant theory and PI-algebras. Zbl 1056.05141Drensky, V.; Genov, G. K. 7 2004 Convexification of stochastic ordering. Zbl 1083.90031Dentcheva, D.; Ruszczyński, A. 7 2004 Fast algorithm for solving a linear algebraic problem with separable variables. Zbl 0575.65022Vassilevski, P. S. 7 1984 Generic properties concerning well-posed optimization problems. Zbl 0576.49018Revalski, J. P. 7 1985 A note on \(p\)-adic \(q\)-Dedekind sums. Zbl 0982.11064Kim, T. 7 2001 Approximation properties of a class of linear positive operators in weighted spaces. Zbl 1224.41053Erencin, A.; Bascanbaz-Tunca, G. 7 2010 Jointly partially metrizable spaces. Zbl 1265.54114Arhangel’ski, Alexander; Al Shumrani, Mohammed 7 2012 Precompact minimal topologies in Abelian groups. Zbl 0323.22004Prodanov, Iv. 7 1973 Metric projections and antiprojections in strictly convex normed spaces. Zbl 0391.41019Zhivkov, N. V. 7 1978 A new semilocal convergence theorem for the Weierstrass method from data at one point. Zbl 1101.65049Proinov, P. 7 2006 The closest to \(0\) spectral number of the partial theta function. Zbl 1374.30010Kostov, Vladimir 7 2016 Symmetrization of the van der Corput-Halton sequence. Zbl 0621.10035Projnov, P. D.; Grozdanov, V. S. 6 1987 Some characterizations of the spaces with a lattice of d-open mappings. Zbl 0627.54009Valov, V. M. 6 1986 Milutin mappings and AE(0)-spaces. Zbl 0637.54015Valov, V. M. 6 1987 Solution of a problem of P. Erdoes on the number of triangles in graphs with n vertexes and [\(n^ 2\) / 4] + l edges. Zbl 0479.05040Nikiforov, V. S.; Khadzhiivanov, N. G. 6 1981 Asymptotic behaviour of the scattering phase for the Schrödinger operator. Zbl 0513.35061Popov, G. S. 6 1982 An estimate of the complexity of a variety generated by a tensor product of algebras. Zbl 0539.16014Gateva, T. V. 6 1982 The chromatic number of an arbitrary 10-vertex graph without 4-cliques is not larger than 4. Zbl 0547.05030Nenov, N. D. 6 1984 The extended Bitsadze-Lavrent’ev problem with two parabolic lines of degeneracy and two elliptic arcs in the Euclidean plane. Zbl 0547.35086Rassias, J. M. 6 1983 On metrizability of selectors. Zbl 0549.54013Nedev, S. J.; Valov, V. M. 6 1983 Analogues of the Frobenius and Darboux theorems for supermanifolds. Zbl 0557.58002Shander, V. N. 6 1983 About the topological structure of SO(3) group. Zbl 0771.53047Mladenova, C. D. 6 1991 On some applications of Wright’s hypergeometric function. Zbl 0789.33001Dotsenko, M. R. 6 1991 Series of varieties of Lie algebras of different fractional exponents. Zbl 1313.17011Malyusheva, O.; Mishchenko, S.; Verevkin, A. 6 2013 Elastic Sturmian spirals. Zbl 1313.53004Marinov, Petko; Hadzhilazova, Mariana; Mladenov, Ivailo 6 2014 On the theory of \(b\)-adic diaphony. Zbl 0974.60002Grozdanov, V. S.; Stoilova, S. S. 6 2001 Some remarks on Weierstrass root finding method. Zbl 0806.65044Kjurchiev, N. 6 1993 Multi-index (3m-parametric) Mittag-Leffler functions and fractional calculus. Zbl 1265.26014Paneva-Konovska, Jordanka 6 2011 Condition numbers for the matrix equation \( X + A^{H} X^{-1} A + B^{H} X^{-1}B = I \). Zbl 1265.65081Popchev, Ivan; Konstantinov, Mihail; Petkov, Petko; Angelova, Vera 6 2011 The solution of a problem of P. Erdős concerning the maximal number of triangles with a common arc in a graph. Zbl 0424.05008Khadzhiivanov, N. G.; Nikiforov, V. S. 6 1979 A formula for the characters of finite dimensional irreducible representations of Lie superalgebras of the series \(C\). Zbl 0457.17003Leites, D. A. 6 1980 Criterion for minimiality of all subgroups of a topological Abelian group. Zbl 0478.22003Dikranyan, Dikran N.; Stoyanov, L. N. 6 1981 On the C-Laguerre functions. Zbl 1093.33005Ishteva, M.; Boyadjiev, L. 6 2005 On the Spechtianness of certain varieties of associative algebras over a field of characteristic zero. Zbl 0358.16013Genov, G. K. 6 1976 Über eine allgemeine Quadraturformel. Zbl 0037.04401Tchakaloff, L. 6 1948 On the convergence of a family of Weierstrass-type root-finding methods. Zbl 1340.65090Proinov, Petko; Vasileva, Maria 6 2015 A sufficient condition for the drop property. Zbl 0616.46017Kutzarova, D. N. 5 1986 Fractional integration operators involving Fox’s \(H^{m,o}_{m,m}\)- function. Zbl 0662.33003Kiryakova, V. S. 5 1988 Elliptic intuitionistic fuzzy sets. Zbl 07406147Atanassov, Krassimir 1 2021 Stochastic modelling and estimation of COVID-19 population dynamics. Zbl 1474.92124Yanev, Nikolay M.; Stoimenova, Vessela K.; Atanasov, Dimitar V. 5 2020 Prescribing scalar curvatures on \( n \)-dimensional manifolds, \( 4 \le n \le 6 \). Zbl 1463.58005Alghanemi, Azeb; Chtioui, Hichem 2 2020 IFHP transformations on the tangent bundle of a Riemannian manifold with a class of pseudo-Riemannian metrics. Zbl 1463.53049Zohrehvand, Mosayeb 1 2020 Almost hypercomplex manifolds with Hermitian-Norden metrics and \(4\)- dimensional indecomposable real Lie algebras depending on two parameters. Zbl 1463.22010Manev, Hristo 1 2020 Recognition of contact map germs from the plane to the plane by invariants. Zbl 1474.58012Binyamin, Muhammad Ahsan; Aslam, Saima; Mehmood, Khawar; Mahmood, Hasan; Ishaq, Muhammad 1 2020 Explicit solutions of the hyperbolic Monge-Ampere type equation, of a nonlinear evolution system and their qualitative properties. Zbl 1463.35352Popivanov, Petar; Slavova, Angela 1 2020 Relation between the maximal space-like surfaces in \(\mathbb{R}_{2}^{4} \) and the maximal space-likes surfaces in \( \mathbb{R}_{1}^{3} \). Zbl 1438.53022Ganchev, Georgi; Kanchev, Krasimir 3 2019 A simple case within Nash-Moser-Ekeland theory. Zbl 1438.49025Ivanov, Milen; Zlateva, Nadia 2 2019 Early exercise boundary of an American put. Zbl 1438.91168Zaevski, Tsvetelin S. 2 2019 The warped product manifold as a gradient Ricci soliton and relation to its components. Zbl 1463.53043Günsen, Seçkin; Onat, Leyla; Kaya, Dilek Açikgöz 2 2019 Supercritical Markov branching process with random initial condition. Zbl 1438.60110Mayster, Penka; Tchorbadjieff, Assen 1 2019 On quasi-para-Sasakian manifolds. Zbl 1438.53124Zamkovoy, Simeon 1 2019 Bimodal singularities of parametrized plane curves. Zbl 1463.14004Mehmood, Khawar; Binyamin, Muhammad Ahsan 1 2019 Lower estimate of the first eigenvalue of \( p \)- Laplacian via Hardy inequality. Zbl 1463.35392Kutev, Nikolai; Rangelov, Tsviatko 1 2019 On linear codes of almost constant weight and the related arcs. Zbl 1474.94081Landjev, Ivan; Rousseva, Assia; Storme, leo 1 2019 The projections of \(k\)-simplex onto the subsimplices of arbitrary type are derivations. Zbl 1413.16070Vladeva, Dimitrinka 4 2018 On a new class of lifts in the coframe bundle. Zbl 1413.53052Salimov, Arif; Fattayev, Habil 2 2018 Properties of uniform tangent sets and Lagrange multiplier rule. Zbl 1424.49020Bivas, Mira; Ribarska, Nadezhda; Valkov, Mladen 2 2018 Multiplicative indices of carbon graphite \( t \)-levels. Zbl 1413.05083Liu, Jia-Bao; Baig, Abdul Qudair; Khalid, Wagas; Farahani, Mohammad Reza 1 2018 Characterization of Pareto and power function distributions by conditional variance of order statistics. Zbl 1413.62012Shah, Imtiyaz A.; Barakat, Haroon M.; Khan, Abdul H. 1 2018 On \( gh \)-lifts of some tensor fields. Zbl 1413.53033Cakan, Rabia 1 2018 Projective vector fields on the tangent bundle with a class of Riemannian metrics. Zbl 1413.53061Gezer, Aydin; Bilen, Lokman 1 2018 Consecutive subordination of Poisson processes and gamma processes. Zbl 1413.60081Mayster, Penka 1 2018 A new type of contra-continuity via \( \delta \)-\(\beta \)-open sets. Zbl 1424.54040Al Shumrani, Mohammed A.; Jafari, Saeid; Özel, Cenap; Rajesh, Neelamegarajan 1 2018 Poisson-logarithmic risk process and applications. Zbl 1424.60065Sendova, Kristina; Minkova, Leda 1 2018 A jump moment as a stopping time and defaultable derivatives. Zbl 1424.35326Zaevski, Tsvetelin; Kounchev, Ognyan 1 2018 A new compound distribution based on a mixture of distributions and a mixed system. Zbl 1424.62010Abdel-Hamid, Alaa; Hashen, Atef 1 2018 Close-to-convexity of \( q \)-Mittag-Leffler functions. Zbl 1424.30069Raza, Mohsan; Din, Muhey 1 2018 Green’s relations on a semigroup of sets of transformations with restricted range. Zbl 1399.20074Anantayasethi, Ananya; Koppitz, Joerg 2 2017 Variational principles for supinf problems. Zbl 1399.90292Kenderov, Petar S.; Revalski, Julian P. 2 2017 Holomorphic submanifolds of some hypercomplex manifolds with Hermitian and Norden metric. Zbl 1389.53055Nakova, Galia; Manev, Hristo 2 2017 A geometric inequality for warped product pseudo-slant submanifolds of nearly Sasakian manifolds. Zbl 1389.53083Ali, Akram; Othman, Wan Ainun Mior; Ozel, Cenap; Hajjari, Tayebeh 2 2017 Some facts about discriminants. Zbl 1389.12001Kostov, Vladimir Petrov 2 2017 Lin’s condition for functions of random variables and moment determinacy of probability distributions. Zbl 1389.60006Kopanov, Petar; Stoyanov, Jordan 2 2017 Explicit solving of the system of natural PDE’s of minimal space-like surfaces in Minkowski space-time. Zbl 1389.53013Ganchev, Georgi; Kanchev, Krasimir 2 2017 Decomposition of cohomology of vector bundles on homogeneous ind-spaces. Zbl 1399.22017Hristova, Elitza; Penkov, Ivan 1 2017 Bessel series: some results on their overconvergence. Zbl 1389.30002Paneva-Konovska, Jordanka 1 2017 Viability theorems and an application. Zbl 1389.34055Bivas, Mira 1 2017 An alternative approach to the Adem relations in the mod \(p\) Steenrod algebra. Zbl 1389.55003Turgay, Neset Deniz 1 2017 Blow-up of a general Keller-Segel system with source and damping terms. Zbl 1363.35159Marras, Monica; Viglialoro, Giuseppe 9 2016 The closest to \(0\) spectral number of the partial theta function. Zbl 1374.30010Kostov, Vladimir 7 2016 Fractional Burgers’ model: thermodynamic constraints and completely monotonic relaxation function. Zbl 1374.26014Bazhlekova, Emilia; Tsocheva, Ksenia 3 2016 An e-rumour model with control on the spreaders. Zbl 1374.49028Bernard, Severine; Bouza, Gemayqzel; Pietrus, Alain 3 2016 Long orbit or empty valued principle, fixed point and surjectivity theorems. Zbl 1363.49019Ivanov, Milen; Zlateva, Nadia 2 2016 Index matrix interpretations of a new transposition-type problem. Zbl 1374.90070Traneva, Velichka; Marinov, Pencho; Atanassov, Krassimir 2 2016 Reiteration in \( K \)-interpolation method for quasi-normed spaces. Zbl 1363.46020Ahmed, Irshaad; Karadzhov, Georgi; Raza, Ali 1 2016 The connection between the Sturm-Liouville systems and the triangular model of coupling of dissipative and antidissipative operators. Zbl 1363.47018Borisova, Galina S. 1 2016 Epidemic dynamics of an infection through the pathogen density in the environment. Zbl 1374.92141Cantó, Bagona; Coll, Carmen; Sánchez, Elena 1 2016 Golden-statistical structures. Zbl 1374.53050Blaga, Adara; Crasmareanu, Mircea 1 2016 Limiting distributions for alternating regenerative branching processes. Zbl 1374.60169Mitov, Kosto; Yanev, Nikolay 1 2016 New primal-dual partition of the space of linear semi-infinite continuous optimization problems. 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Zbl 1313.62026Jordanova, Pavlina; Pancheva, Elissaveta 4 2012 ...and 503 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 2,473 Authors 32 Qi, Feng 20 Dikranjan, Dikran N. 20 Proinov, Petko D. 19 Guo, Bai-Ni 19 Sintunavarat, Wutiphol 17 Karapınar, Erdal 15 Seoane-Sepúlveda, Juan Benigno 14 Kumam, Poom 13 Kenderov, Petar Stojanov 12 Atanassov, Krassimir Todorov 12 Danchev, Peter Vassilev 12 Revalski, Julian Petrov 11 Drensky, Vesselin 11 Mayko, Nataliya Valentynivna 11 Radenovic, Stojan 10 Valov, Vesko M. 9 Guo, Senlin 9 Kiryakova, Virginia S. 9 Manev, Mancho Hristov 9 Mladenova, Clementina D. 9 Ostrovskii, Mikhail Iosifovich 9 Yanev, Nikolay Mihailov 8 Arkhangel’skiĭ, Aleksandr Vladimirovich 8 Bernal-Gonzàlez, Luis 8 Choban, Mitrofan Mihailovich 8 Gutev, Valentin G. 8 Kostov, Vladimir Petrov 8 Kyurkchiev, Nikolaĭ Veselinov 8 Mladenov, Ivaĭlo M. 8 Penot, Jean-Paul 8 Popivanov, Nedyu Iv. 8 Samet, Bessem 8 Srivastava, Hari Mohan 8 Viglialoro, Giuseppe 7 Ding, Juntang 7 Fabian, Marián J. 7 Giambruno, Antonio 7 Makarov, Volodymyr Leonidovych 7 Milousheva, Velichka 7 Penkov, Ivan B. 7 Pillichshammer, Friedrich 7 Salimov, Arif A. 7 Yang, Zhenhang 7 Yu, Jian 6 Agarwal, Ravi P. 6 Borwein, Jonathan Michael 6 Chandok, Sumit 6 Du, Wei-Shih 6 Dydak, Jerzy 6 Eshaghi Gordji, Madjid 6 Gfrerer, Helmut 6 Hussain, Nawab 6 Ivanov, Stoil I. 6 Kim, Taekyun 6 Kounchev, Ognyan Ivanov 6 Kutzarova, Denka N. 6 Marras, Monica 6 Milovanović, Gradimir V. 6 Nguyen, Thu-Hien Thi 6 Olatinwo, Memudu Olaposi 6 Petković, Miodrag S. 6 Schneider, Manfred Friedrich 6 Shahzad, Naseer 6 Zada, Akbar 6 Zlateva, Nadia P. 5 Abbas, Mujahid 5 Boche, Holger 5 Boyanov, Borislav Dechev 5 Castro-Infantes, Ildefonso 5 Castro, Ildefonso 5 Chen, Peng 5 Cho, Yeol Je 5 Etayo Gordejuela, Fernando 5 Ganchev, Georgi T. 5 Gorelik, Maria 5 Jiménez-Rodríguez, Pablo 5 Kim, Dae San 5 Leites, Dimitry A. 5 Manev, Hristo M. 5 Mishchenko, Sergeĭ Petrovich 5 Mitov, Kosto V. 5 Mönich, Ullrich Johann 5 Mushkarov, Oleg K. 5 Nashine, Hemant Kumar 5 Nenov, Nedyalko Dimov 5 O’Grady, Kieran G. 5 Outrata, Jiří V. 5 Peng, Dingtao 5 Piétrus, Alain 5 Popova, Evgeniya D. 5 Repovš, Dušan D. 5 Santamaría, Rafael 5 Semenov, Pavel Vladimirovič 5 Sendov, Blagovest Khristov 5 Serganova, Vera V. 5 Shah, Syed Omar 5 Stoyanov, Luchezar N. 5 Su, Yucai 5 Tkachenko, Mikhail Gelievich 5 Tomar, Anita ...and 2,373 more Authors all top 5 Cited in 466 Journals 84 Topology and its Applications 75 Journal of Mathematical Analysis and Applications 43 Fixed Point Theory and Applications 39 Journal of Algebra 38 Proceedings of the American Mathematical Society 33 Journal of Approximation Theory 33 Journal of Soviet Mathematics 30 Applied Mathematics and Computation 29 Mathematical Notes 29 Transactions of the American Mathematical Society 29 Journal of Mathematical Sciences (New York) 29 Abstract and Applied Analysis 28 Journal of Computational and Applied Mathematics 28 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 27 Fuzzy Sets and Systems 23 Journal of Geometry 22 Computers & Mathematics with Applications 20 Discrete Mathematics 19 Fractional Calculus & Applied Analysis 18 Journal of Function Spaces 17 Mathematische Zeitschrift 17 Mediterranean Journal of Mathematics 16 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 15 Journal of Functional Analysis 15 Linear Algebra and its Applications 15 Set-Valued and Variational Analysis 14 Israel Journal of Mathematics 14 Journal of Inequalities and Applications 13 Advances in Mathematics 13 Czechoslovak Mathematical Journal 13 Acta Mathematica Hungarica 12 Journal of Pure and Applied Algebra 12 Journal of Fixed Point Theory and Applications 11 Monatshefte für Mathematik 11 Rendiconti del Circolo Matemàtico di Palermo. 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Fakultet po Matematika i Informatika 7 Algebra and Logic 7 Archiv der Mathematik 7 Rendiconti del Seminario Matematico della Università di Padova 7 Applied Mathematics Letters 7 Numerical Algorithms 7 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 7 Bulletin des Sciences Mathématiques 7 Acta Mathematica Sinica. English Series 7 Thai Journal of Mathematics 7 Nonlinear Analysis. Theory, Methods & Applications 6 Computing 6 Functional Analysis and its Applications 6 Journal of Differential Equations 6 Mathematische Annalen 6 Numerische Mathematik 6 Journal of Convex Analysis 6 Positivity 6 Comptes Rendus. Mathématique. Académie des Sciences, Paris 6 Boundary Value Problems 6 Banach Journal of Mathematical Analysis 6 Asian-European Journal of Mathematics 6 Journal of Mathematics 6 Open Mathematics 5 Algebra Universalis 5 Annali di Matematica Pura ed Applicata. 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Series A 5 Semigroup Forum 5 Advances in Applied Mathematics 5 Statistics & Probability Letters 5 Optimization 5 Mathematical and Computer Modelling 5 Designs, Codes and Cryptography 5 Computational Mathematics and Mathematical Physics 5 Advances in Applied Clifford Algebras 5 Communications of the Korean Mathematical Society 5 Journal of Intelligent and Fuzzy Systems 5 South East Asian Journal of Mathematics and Mathematical Sciences ...and 366 more Journals all top 5 Cited in 61 Fields 387 General topology (54-XX) 225 Operator theory (47-XX) 207 Functional analysis (46-XX) 175 Numerical analysis (65-XX) 171 Differential geometry (53-XX) 169 Partial differential equations (35-XX) 137 Real functions (26-XX) 130 Approximations and expansions (41-XX) 99 Combinatorics (05-XX) 97 Special functions (33-XX) 97 Calculus of variations and optimal control; optimization (49-XX) 92 Nonassociative rings and algebras (17-XX) 85 Group theory and generalizations (20-XX) 84 Operations research, mathematical programming (90-XX) 82 Functions of a complex variable (30-XX) 75 Associative rings and algebras (16-XX) 74 Probability theory and stochastic processes (60-XX) 72 Ordinary differential equations (34-XX) 62 Number theory (11-XX) 59 Mathematical logic and foundations (03-XX) 57 Topological groups, Lie groups (22-XX) 48 Linear and multilinear algebra; matrix theory (15-XX) 46 Algebraic geometry (14-XX) 44 Several complex variables and analytic spaces (32-XX) 44 Computer science (68-XX) 43 Harmonic analysis on Euclidean spaces (42-XX) 43 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 41 Global analysis, analysis on manifolds (58-XX) 41 Statistics (62-XX) 36 Integral transforms, operational calculus (44-XX) 34 Biology and other natural sciences (92-XX) 28 Field theory and polynomials (12-XX) 28 Convex and discrete geometry (52-XX) 26 Mechanics of particles and systems (70-XX) 26 Mechanics of deformable solids (74-XX) 25 Difference and functional equations (39-XX) 24 Algebraic topology (55-XX) 23 Commutative algebra (13-XX) 23 Dynamical systems and ergodic theory (37-XX) 23 Integral equations (45-XX) 23 Quantum theory (81-XX) 22 Measure and integration (28-XX) 22 Information and communication theory, circuits (94-XX) 19 Systems theory; control (93-XX) 16 Order, lattices, ordered algebraic structures (06-XX) 15 Sequences, series, summability (40-XX) 14 General algebraic systems (08-XX) 14 Geometry (51-XX) 13 Category theory; homological algebra (18-XX) 12 Fluid mechanics (76-XX) 8 History and biography (01-XX) 8 Manifolds and cell complexes (57-XX) 8 Statistical mechanics, structure of matter (82-XX) 7 Abstract harmonic analysis (43-XX) 6 General and overarching topics; collections (00-XX) 6 Potential theory (31-XX) 4 \(K\)-theory (19-XX) 3 Geophysics (86-XX) 2 Optics, electromagnetic theory (78-XX) 2 Astronomy and astrophysics (85-XX) 1 Classical thermodynamics, heat transfer (80-XX) Citations by Year