Acta Scientiarum Mathematicarum Short Title: Acta Sci. Math. Publisher: University of Szeged, Bolyai Institute, Szeged; Springer (Birkhäuser), Basel ISSN: 0001-6969; 2064-8316/e Online: http://www.acta.hu/acta/home.actionhttp://pub.acta.hu/acta/showCustomerVolume.action?noDataSet=truehttps://link.springer.com/journal/44146/volumes-and-issues Predecessor: Acta Litterarum ac Scientiarum. Regiae Universitatis Hungaricae Francisco-Josephinae. Sectio Scientiarum Mathematicarum Comments: Indexed cover-to-cover; In the 1940’s the journal was also named: Acta Universitatis Szegediensis. Sectio Scientiarum Mathematicarum. Acta Scientiarum Mathematicarum. Journal abbreviations vary in sources. Documents Indexed: 3,162 Publications (since 1941) References Indexed: 59 Publications with 1,256 References. all top 5 Latest Issues 88, No. 1-2 (2022) 87, No. 3-4 (2021) 87, No. 1-2 (2021) 86, No. 3-4 (2020) 86, No. 1-2 (2020) 85, No. 3-4 (2019) 85, No. 1-2 (2019) 84, No. 3-4 (2018) 84, No. 1-2 (2018) 83, No. 3-4 (2017) 83, No. 1-2 (2017) 82, No. 3-4 (2016) 82, No. 1-2 (2016) 81, No. 3-4 (2015) 81, No. 1-2 (2015) 80, No. 3-4 (2014) 80, No. 1-2 (2014) 79, No. 3-4 (2013) 79, No. 1-2 (2013) 78, No. 3-4 (2012) 78, No. 1-2 (2012) 77, No. 3-4 (2011) 77, No. 1-2 (2011) 76, No. 3-4 (2010) 76, No. 1-2 (2010) 75, No. 3-4 (2009) 75, No. 1-2 (2009) 74, No. 3-4 (2008) 74, No. 1-2 (2008) 73, No. 3-4 (2007) 73, No. 1-2 (2007) 72, No. 3-4 (2006) 72, No. 1-2 (2006) 71, No. 3-4 (2005) 71, No. 1-2 (2005) 70, No. 3-4 (2004) 70, No. 1-2 (2004) 69, No. 3-4 (2003) 69, No. 1-2 (2003) 68, No. 3-4 (2002) 68, No. 1-2 (2002) 67, No. 3-4 (2001) 67, No. 1-2 (2001) 66, No. 3-4 (2000) 66, No. 1-2 (2000) 65, No. 3-4 (1999) 65, No. 1-2 (1999) 64, No. 3-4 (1998) 64, No. 1-2 (1998) 63, No. 3-4 (1997) 63, No. 1-2 (1997) 62, No. 3-4 (1996) 62, No. 1-2 (1996) 61, No. 1-4 (1995) 60, No. 3-4 (1995) 60, No. 1-2 (1995) 59, No. 3-4 (1994) 59, No. 1-2 (1994) 58, No. 1-4 (1993) 57, No. 1-4 (1993) 56, No. 3-4 (1992) 56, No. 1-2 (1992) 55, No. 3-4 (1991) 55, No. 1-2 (1991) 54, No. 3-4 (1990) 54, No. 1-2 (1990) 53, No. 3-4 (1989) 53, No. 1-2 (1989) 52, No. 3-4 (1988) 52, No. 1-2 (1988) 51, No. 3-4 (1987) 51, No. 1-2 (1987) 50 (1986) 49 (1985) 48 (1985) 47 (1984) 46 (1983) 45 (1983) 44 (1982) 43 (1981) 42 (1980) 41 (1979) 40 (1978) 39 (1977) 38 (1976) 37 (1975) 36 (1974) 35 (1973) 34 (1973) 33 (1972) 32 (1971) 31 (1970) 30 (1969) 29 (1968) 28 (1967) 27 (1966) 26 (1965) 25 (1964) 24 (1963) 23 (1962) ...and 18 more Volumes all top 5 Authors 72 Leindler, László 60 Foiaș, Ciprian 59 Szőkefalvi-Nagy, Béla 52 Móricz, Ferenc 43 Tandori, Károly 34 Grätzer, George 33 Rédei, László 30 Czédli, Gábor 30 Kátai, Imre 26 Kérchy, László 21 Fodor, Geza 20 Totik, Vilmos 19 Chajda, Ivan 19 Sebestyén, Zoltán 19 Szép, Jenö 17 Bercovici, Hari 17 Schmidt, Elegius Tamas 16 Alexits, György 16 Fried, Ervin 16 Moor, Arthur 15 Csörgő, Sándor 15 Fuchs, László 15 Gécseg, Ferenc 14 Csákány, Béla 14 Pearcy, Carl Mark Jr. 14 Stachó, László L. 13 Erdős, Pál 13 Hatvani, László 13 Joó, István 13 Páles, Zsolt 13 Szasz, Ferenc Andor 13 Weisz, Ferenc 13 Wu, Peiyuan 12 Grillet, Pierre Antoine 12 Nagy, Béla 12 Schipp, Ferenc Schipp 11 Chō, Muneo 11 Freud, Géza 11 Lajos, Sandor 11 Mbekhta, Mostafa 11 Petz, Dénes 11 Wiegandt, Richard 10 Ito, Noboru 10 Komornik, Vilmos 10 Petrich, Mario 10 Steinfeld, Ottó 10 von Szőkefalvi Nagy, Gyula 9 Douglas, Ronald George 9 Gamal, Maria F. 9 Huhn, Andras P. 9 Langer, Heinz 9 Müller, Vladimír 9 Szabados, Jozsef 9 Weinert, Hanns Joachim 8 Aiena, Pietro 8 Botelho, Fernanda 8 Duggal, Bhagwati Prashad 8 Durszt, E. 8 Izuchi, Keiji 8 Mikolás, Miklós 8 Nagy, Peter Tibor 8 Nordgren, Eric A. 8 Rényi, Alfréd 8 Riesz, Frigyes 8 Singh, Raj Kishor 8 Szele, Tibor 8 van Leeuwen, Leo C. A. 8 Vértesi, Péter 7 Butzer, Paul Leo 7 Császár, Ákos E. 7 Dãng Vũ Giang 7 Daróczy, Zoltán 7 Davis, Chandler 7 Halperin, Israel 7 Kaltenbäck, Michael 7 Lakser, Harry 7 Molnár, Lajos 7 Nakazi, Takahiko 7 Pečarić, Josip 7 Révész, Pál 7 Szalay, Istvan 7 Szász, Paul 7 Szendrei, Ágnes 7 Szenthe, János 7 Turán, Pál 7 Woracek, Harald 6 Barnes, Bruce A. 6 Dixmier, Jacques 6 Egerváry, Jenö 6 Fong, Che-Kao 6 Frazho, Arthur E. 6 Gehér, László 6 Jakubík, Ján 6 Jamison, James Edward 6 Koubek, Vaclav 6 Malkowsky, Eberhard 6 Máté, Attila 6 Megyesi, L. 6 Nessel, Rolf Joachim 6 Pollák, György ...and 1,974 more Authors all top 5 Fields 800 Operator theory (47-XX) 377 Functional analysis (46-XX) 290 Harmonic analysis on Euclidean spaces (42-XX) 245 Group theory and generalizations (20-XX) 215 General algebraic systems (08-XX) 197 Order, lattices, ordered algebraic structures (06-XX) 125 Approximations and expansions (41-XX) 122 Probability theory and stochastic processes (60-XX) 115 Real functions (26-XX) 109 Number theory (11-XX) 100 Functions of a complex variable (30-XX) 96 Associative rings and algebras (16-XX) 91 Sequences, series, summability (40-XX) 77 Ordinary differential equations (34-XX) 62 Combinatorics (05-XX) 60 Abstract harmonic analysis (43-XX) 56 Linear and multilinear algebra; matrix theory (15-XX) 49 Measure and integration (28-XX) 46 Differential geometry (53-XX) 45 Statistics (62-XX) 43 General topology (54-XX) 42 Mathematical logic and foundations (03-XX) 37 Convex and discrete geometry (52-XX) 33 Special functions (33-XX) 32 Difference and functional equations (39-XX) 30 Topological groups, Lie groups (22-XX) 28 Partial differential equations (35-XX) 26 Several complex variables and analytic spaces (32-XX) 24 Geometry (51-XX) 23 Numerical analysis (65-XX) 23 Computer science (68-XX) 22 Nonassociative rings and algebras (17-XX) 19 Dynamical systems and ergodic theory (37-XX) 18 Category theory; homological algebra (18-XX) 18 Global analysis, analysis on manifolds (58-XX) 17 Integral transforms, operational calculus (44-XX) 16 Potential theory (31-XX) 15 Commutative algebra (13-XX) 14 Systems theory; control (93-XX) 13 Field theory and polynomials (12-XX) 11 Calculus of variations and optimal control; optimization (49-XX) 10 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 9 Quantum theory (81-XX) 8 Algebraic geometry (14-XX) 8 Integral equations (45-XX) 8 Algebraic topology (55-XX) 8 Operations research, mathematical programming (90-XX) 7 Information and communication theory, circuits (94-XX) 6 Manifolds and cell complexes (57-XX) 5 History and biography (01-XX) 4 Mechanics of particles and systems (70-XX) 3 Mechanics of deformable solids (74-XX) 2 Biology and other natural sciences (92-XX) 1 General and overarching topics; collections (00-XX) 1 \(K\)-theory (19-XX) 1 Fluid mechanics (76-XX) 1 Optics, electromagnetic theory (78-XX) 1 Relativity and gravitational theory (83-XX) 1 Mathematics education (97-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 1,978 Publications have been cited 12,417 times in 9,636 Documents Cited by ▼ Year ▼ Free sums of multi-operator groups. Zbl 0094.24501Kurosh, A. G. 185 1960 On logarithmic concave measures and functions. Zbl 0264.90038Prekopa, Andras 164 1973 On straight line representation of planar graphs. Zbl 0030.17902Fáry, István 146 1948 Logarithmic concave measures with application to stochastic programming. Zbl 0235.90044Prékopa, András 127 1971 The product of projection operators. Zbl 0143.16102Halperin, I. 99 1962 On a pair of commutative contractions. Zbl 0116.32403Andô, T. 95 1963 On a certain converse of Hölder’s inequality. II. Zbl 0245.26011Leindler, L. 72 1972 Composition operators on the Fock space. Zbl 1051.47023Carswell, Brent J.; MacCluer, Barbara D.; Schuster, Alex 71 2003 On the essential numerical range, the essential spectrum, and a problem of Halmos. Zbl 0246.47006Fillmore, P. A.; Stampfli, J. G.; Williams, J. P. 67 1972 Weyl type theorems for bounded linear operators. Zbl 1050.47014Berkani, M.; Koliha, J. J. 67 2003 Separation of two linear subspaces. Zbl 0090.32603Davis, Chandler 64 1958 On uniformly bounded linear transformations in Hilbert space. Zbl 0029.30501de Sz. Nagy, Béla 64 1947 Invariant means in semigroups and their applications. (Les moyennes invariantes dans les semi-groupes et leurs applications.) Zbl 0037.15501Dixmier, Jacques 64 1950 Sur les contractions de l’espace de Hilbert. Zbl 0052.12203Sz.-Nagy, Béla 62 1953 Cesaro operators. Zbl 0149.09902Brown, Arlen; Halmos, P. R.; Shields, A. L. 61 1965 Über die Q-Funktion eines \(\pi\)-hermiteschen Operators im Raume \(\pi_\varkappa\). Zbl 0276.47036Krein, M. G.; Langer, H. 60 1973 Approximation by modified Szász operators. Zbl 0611.41013Mazhar, S. M.; Totik, V. 59 1985 On the operator equation \(S^*XT=X\) and related topics. Zbl 0177.19204Douglas, R. G. 59 1969 Generalization of inequalities of Hardy and Littlewood. Zbl 0203.06103Leindler, L. 57 1970 Periodic automorphisms of the hyperfinite factor of type \(II_1\). Zbl 0382.46027Connes, A. 57 1977 Verallgemeinerung eines graphentheoretischen Satzes von Rédei. Zbl 0101.16608Gallai, T.; Milgram, A. N. 56 1960 Characterizations of congruence lattices of abstract algebras. Zbl 0117.26101Grätzer, G.; Schmidt, E. T. 55 1963 Cohomologie des algèbres de Lie nilpotentes. Zbl 0066.02403Dixmier, J. 54 1955 On spectral sets having connected complement. Zbl 0145.39302Sarason, Donald 53 1965 Double points of paths of Brownian motion in \(n\)-space. Zbl 0036.09001Dvoretzky, A.; Erdős, Pál; Kakutani, S. 52 1950 Best proximity pairs and best approximations. Zbl 0909.47042Basha, S. S.; Veeramani, P. 48 1997 Structure of operators with numerical radius one. Zbl 0258.47001Ando, T. 47 1973 Some propositions on analytic matrix functions related to the theory of operators in the space Pi//chi. Zbl 0492.30035Krein, M. G.; Langer, H. 44 1981 On normal extensions of unbounded operators. II. Zbl 0698.47003Stochel, J.; Szafraniec, F. H. 43 1989 Non-linear commutativity preserving maps. Zbl 1111.15002Šemrl, Peter 42 2005 Quasi-Fredholm operators and localized SVEP. Zbl 1135.47300Aiena, Pietro 42 2007 Operators with a norm condition. Zbl 0244.47021Ando, T. 42 1972 Schwach distributive Verbände. I. Zbl 0269.06006Huhn, A. P. 42 1972 On cosine operator functions in Banach spaces. Zbl 0273.47008Nagy, B. 41 1974 Convergence of random products of contractions in Hilbert space. Zbl 0143.16202Amemiya, I.; Ando, T. 40 1965 Ergodic type theorems in von Neumann algebras. Zbl 0143.36105Kovacs, I.; Szücs, J. 40 1966 A general ordering and fixed-point principle in complete metric space. Zbl 0532.54030Dancs, S.; Hegedüs, M.; Medvegyev, P. 39 1983 Orthogonal polynomials and their zeros. Zbl 0691.42020Nevai, Paul; Totik, Vilmos 39 1989 On partially ordered algebras. II. Zbl 0192.09603Fuchs, L. 39 1965 Lebesgue-type decomposition of positive operators. Zbl 0337.47011Ando, T. 39 1976 Asymptotically commuting finite rank unitary operators without commuting approximants. Zbl 0538.47003Voiculescu, Dan 39 1983 Affine algebras in congruence modular varieties. Zbl 0408.08003Herrmann, Christian 39 1979 Oblique projections and Schur complements. Zbl 0980.47021Corach, Gustavo; Maestripieri, Alejandra; Stojanoff, Demetrio 38 2001 Some packing and covering theorems. Zbl 0037.22102Fejes Tóth, László 38 1950 Notes on planar semimodular lattices. I: Construction. Zbl 1223.06007Grätzer, George; Knapp, Edward 37 2007 Deux exemples singuliers d’équations différentielles. Zbl 0037.06002Dieudonné, Jean 37 1950 Boundedness of multidimensional Hausdorff operators on \(H^1({\mathbb R}^n)\). Zbl 1199.47155Liflyand, Elijah 36 2008 On random generating elements of a finite Boolean algebra. Zbl 0099.12204Rényi, Alfréd 36 1961 Quasitriangular operators. Zbl 0172.16901Halmos, P. R. 35 1968 Die Verallgemeinerung der Schreierschen Erweiterungstheorie. Zbl 0047.26602Rédei, L. 35 1952 Some properties of cyclic operators. Zbl 0892.47004Ansari, S. I.; Bourdon, P. S. 35 1997 Linear fractional maps of the ball and their composition operators. Zbl 0970.47011Cowen, Carl C.; MacCluer, Barbara D. 34 2000 A generalization of the Halmos-Bram criterion for subnormality. Zbl 0263.47023Embry, Mary R. 34 1973 Eine Bemerkung zur Theorie der regressiven Funktionen. Zbl 0072.04302Fodor, G. 34 1956 On logarithmic Carleson measures. Zbl 1050.30024Zhao, Ruhan 33 2003 Generalized ideals in semigroups. Zbl 0108.25904Lajos, Sándor 33 1961 Number systems in integral domains, especially in orders of algebraic number fields. Zbl 0760.11002Kovács, B.; Pethö, A. 33 1991 Notes on planar semimodular lattices. III. Rectangular lattices. Zbl 1199.06029Grätzer, G.; Knapp, E. 32 2009 The dual discriminator function in universal algebra. Zbl 0395.08001Fried, E.; Pixley, A. F. 32 1979 On the norm of a composition operator with linear fractional symbol. Zbl 1071.47508Hammond, Christopher 31 2003 Eine Ungleichung für Tschebyscheffsche Approximationspolynome. Zbl 0088.04504Freud, G. 31 1958 Lifting properties in operator ranges. Zbl 1212.46048Arias, M. Laura; Corach, Gustavo; Gonzalez, M. Celeste 31 2009 Über Integralungleichungen zwischen einer Funktion und ihrer Ableitung. Zbl 0024.19303von Sz. Nagy, Béla 31 1941 Summability of formal solutions of certain partial differential equations. Zbl 0987.35032Balser, Werner; Miyake, Masatake 31 1999 Self-dual polytopes and the chromatic number of distance graphs on the sphere. Zbl 0533.05029Lovász, László 31 1983 Über die Quasinormalteiler von endlichen Gruppen. Zbl 0112.02106Itô, N.; Szép, Jenö 30 1962 Canonical number-systems for complex integers. Zbl 0297.12003Kátai, I.; Szabó, János 30 1975 On the factorizations of the linear fractional group \(LF (2, p^n)\). Zbl 0051.25901Itô, Noboru 30 1953 A survey on Tingley’s problem for operator algebras. Zbl 1413.47065Peralta, Antonio M. 30 2018 Über vertauschbare Kontraktionen des Hilbertschen Raumes. Zbl 0097.31701Brehmer, S. 29 1961 Truncated moment problems for operators. Zbl 0202.13403Ando, T. 29 1970 Produit complet des groupes de permutations et problème d’extension de groupes. III. Zbl 0045.30301Krasner, Marc; Kaloujnine, Leo 29 1951 On relatively regular operators. Zbl 0052.12502Atkinson, F. V. 29 1953 Composition operators on Fock type spaces. Zbl 1199.30273Guo, Kunyu; Izuchi, Keiji 28 2008 Classification and construction of complete hypersurfaces satisfying R(X,Y) R\(=0\). Zbl 0578.53036Szabó, Z. I. 28 1984 Perturbations des transformations linéaires fermées. Zbl 0045.21601Sz.-Nagy, Béla 28 1951 The shell of a Hilbert-space operator. Zbl 0164.16601Davis, Chandler 27 1968 Kanonische Zahlensysteme in der Theorie der quadratischen algebraischen Zahlen. Zbl 0386.10007Katai, I.; Kovacs, B. 27 1980 Best proximity pair theorems. Zbl 1012.47031Srinivasan, P. S. 26 2001 Hölder continuity of Green’s functions. Zbl 1076.30026Carleson, Lennart; Totik, Vilmos 26 2004 Kernel systems of directed graphs. Zbl 0425.05028Frank, Andras 26 1979 Slender groups. Zbl 0108.02601Nunke, R. J. 26 1962 Factor lattices by tolerances. Zbl 0484.06010Czedli, Gabor 25 1982 On the topological characterization of transitive Lie group actions. Zbl 0269.57019Szenthe, J. 25 1974 On classes of ordered algebras and quasiorder distributivity. Zbl 0541.06012Czédli, Gábor; Lenkehegyi, Attila 25 1983 Linear maps that preserve the nilpotent operators. Zbl 0843.47024Šemrl, Peter 25 1995 Subnormale Untergruppen und \(p\)-Sylowgruppen. Zbl 0096.24804Huppert, Bertram 24 1961 Hilbert \(C^*\)-modules over \(C^*\)-algebras of compact operators. Zbl 1026.46039Bakić, Damir; Guljaš, Boris 24 2002 Inner dilations of analytic matrix functions and Darlington synthesis. Zbl 0267.30032Douglas, R. G.; Helton, J. William 24 1973 On the category of S-posets. Zbl 0653.06007Fakhruddin, Syed M. 23 1988 2-local isometries of \(C_0(X)\). Zbl 0994.46012Győry, Máté 23 2001 The spectrum of the Cesaro operator. Zbl 0157.45501Boyd, D. W. 23 1968 A polyhedron without diagonals. Zbl 0038.30703Császár, Ákos 23 1949 Caractérisation des éléments de meilleure approximation dans un espace de Banach quelconque. Zbl 0072.13003Singer, Ivan 23 1956 On the computation of entropy functionals and their minima in indeterminate extension problems. Zbl 0556.47013Arov, D. Z.; Kreĭn, M. G. 23 1983 A von Neumann-Wold decomposition of two-isometries. Zbl 1087.47020Olofsson, Anders 22 2004 Minimax theorems beyond topological vector spaces. Zbl 0436.49017Stacho, L. L. 22 1980 Boundedness of Hausdorff operators on \(L^p(\mathbb{R}^n)\), \(H^1(\mathbb{R}^n)\), and \(\text{BMO}(\mathbb{R}^n)\). Zbl 1050.47027Andersen, K. F. 22 2003 On commuting unitary operators in spaces with indefinite metric. Zbl 0115.33301Naimark, M. A. 22 1963 On certain classes of power-bounded operators in Hilbert spaces. Zbl 0141.32201Sz.-Nagy, Béla; Foiaş, Ciprian 22 1966 Tolerance relations and operator systems. Zbl 07614112Connes, Alain; van Suijlekom, Walter D. 1 2022 Monomial operators. Zbl 07614119Agler, Jim; McCharty, John E. 1 2022 Infinite families of non-monogenic trinomials. Zbl 1488.11163Jones, Lenny 2 2021 Lamps in slim rectangular planar semimodular lattices. Zbl 1499.06025Czédli, Gábor 2 2021 Numerical analysis view on the general Trotter-Kato product formulae. Zbl 1477.47097Csomós, Petra; Sikolya, Eszter 1 2021 Gevrey index theorem for the inhomogeneous \(n\)-dimensional heat equation with a power-law nonlinearity and variable coefficients. Zbl 1488.35162Remy, Pascal 1 2021 On a class of quasilinear elliptic systems. Zbl 1488.35235Balaadich, Farah; Azroul, Elhoussine 1 2021 On a subclass of norm attaining operators. Zbl 1477.47019Ramesh, Golla; Osaka, Hiroyuki 1 2021 Wold-type decomposition for bi-regular operators. Zbl 1495.47002Ezzahraoui, H.; Mbekhta, M.; Zerouali, E. H. 1 2021 Pusz-Woronowicz’s functional calculus revisited. Zbl 1497.47025Hatano, Kanae; Ueda, Yoshimichi 1 2021 Characterization of Schauder basis property of Gabor systems in local fields. Zbl 1499.43009Behera, Biswaranjan; Molla, Md. Nurul 1 2021 A generalization of spin factors. Zbl 1499.46048Karn, Anil Kumar 1 2021 Positive Desch-Schappacher perturbations of bi-continuous semigroups on AM-spaces. Zbl 1497.47057Budde, Christian 1 2021 Orthonormal polynomial basis in local Dirichlet spaces. Zbl 1499.30330Fricain, Emmanuel; Mashreghi, Javad 1 2021 The relative multifractal analysis, review and examples. Zbl 1474.28010Selmi, Bilel 14 2020 Derivations of group rings. Zbl 1474.16059Artemovych, Orest D.; Bovdi, Victor A.; Salim, Mohamed A. 4 2020 The Picard groups for unital inclusions of unital \(C^*\)-algebras. Zbl 1463.46081Kodaka, Kazunori 2 2020 On the divergence of double Fourier-Walsh-Paley series of continuous functions. Zbl 1463.42065Getsadze, Rostom 2 2020 Nonstationary multiresolution analysis on local fields of prime characteristic. Zbl 1463.42088Bhat, M. Younus 2 2020 The range of the Radon transform on the real hyperbolic Grassmann manifold. Zbl 1474.44004Ishikawa, Satoshi 1 2020 Zilber’s theorem for planar lattices, revisited. Zbl 1463.06031Baker, Kirby A.; Grätzer, George 1 2020 Multiparameter abelian ergodic theorems of Chacon-Báez-Duarte type. Zbl 1463.47041Yoshimoto, Takeshi 1 2020 On a generalization of Ando’s dilation theorem. Zbl 1463.47036Mallick, N.; Sumesh, K. 1 2020 Semigroup operations which are distributive over a given semigroup operation on positive real numbers. Zbl 1488.22003Oka, Hirokazu; Miura, Takeshi; Takashi, Sin-Ei 1 2020 Symmetric points in spaces of linear operators between Banach spaces. Zbl 1474.46033Khurana, Divya; Roy, Saikat; Sain, Debmalya 1 2020 A subclass of boundary measures and the convex combination problem for Herglotz-Nevanlinna functions in several variables. Zbl 1449.32005Nedic, Mitja 3 2019 Chebyshev polynomials on circular arcs. Zbl 1449.30080Schiefermayr, Klaus 3 2019 On the Cauchy dual of closed range operators. Zbl 1449.47044Ezzahraoui, H.; Mbekhta, M.; Zerouali, E. H. 3 2019 Toeplitz type operators on the derivative Hardy space \(S^2(\mathbb{D})\). Zbl 1449.47060Gupta, Anuradha; Singh, Shivam Kumar 2 2019 Real normal operators and Williamson’s normal form. Zbl 1463.47067Bhat, B. V. Rajarama; John, Tiju Cherian 2 2019 On the triviality of domains of powers and adjoints of closed operators. Zbl 1449.47004Mortad, Mohammed Hichem 2 2019 \(CM\)-ideals and \(L^1\)-matricial split faces. Zbl 1449.46013Ghatak, Anindya; Karn, Anil Kumar 2 2019 Multipliers between range spaces of co-analytic Toeplitz operators. Zbl 1449.30090Fricain, Emmanuel; Hartmann, Andreas; Ross, William T. 2 2019 On the pairs of completely multiplicative functions satisfying some relation. Zbl 1438.11110Kátai, Imre; Phong, Bui Minh 1 2019 A monotonicity property of the Mittag-Leffler function. Zbl 1438.26018Alzer, Horst; Kwong, Man Kam 1 2019 On principal congruences and the number of congruences of a lattice with more ideals than filters. Zbl 1449.06005Czédli, Gábor; Mureşan, Claudia 1 2019 \(E\)-solid locally inverse semigroups. Zbl 1449.20041Dékány, Tamás; Szendrei, Mária B.; Szittyai, István 1 2019 Power integral bases in cubic and quartic extensions of real quadratic fields. Zbl 1449.11104Gaál, István; Remete, László 1 2019 Geometry of spaces of compact operators. Zbl 1463.46028Rao, T. S. S. R. K. 1 2019 Relative position of three subspaces in a Hilbert space. Zbl 1449.46023Enomoto, Masatoshi; Watatani, Yasuo 1 2019 Composition operators similar to contractions. Zbl 1463.47085Matache, Valentin 1 2019 Invertibility of functions of operators and existence of hyperinvariant subspaces. Zbl 1449.47021Gamal, Maria F. 1 2019 Isometries on certain non-complete vector-valued function spaces. Zbl 1449.47071Mojahedi, Mojtaba; Sady, Fereshteh 1 2019 Some renormings of Banach spaces with the weak fixed point property for nonexpansive mappings. Zbl 1463.46027Dutta, Gopal; Veeramani, P. 1 2019 Linear operators and conjugations on a Banach space. Zbl 1449.47041Motoyoshi, Haruna 1 2019 Circles and crossing planar compact convex sets. Zbl 1449.52002Czédli, Gábor 1 2019 On a theorem of Z. Sebestyén and Zs. Tarcsay. Zbl 1438.47040Gesztesy, Fritz; Schmüdgen, Konrad 1 2019 A survey on Tingley’s problem for operator algebras. Zbl 1413.47065Peralta, Antonio M. 30 2018 Linear disjointness preservers of operator algebras and related structures. Zbl 1413.47063Liu, Jung-Hiu; Chou, Chun-Yen; Liao, Ching-Jou; Wong, Ngai-Ching 12 2018 Norms on \(C^1([0, 1])\) and their isometries. Zbl 1399.46035Kawamura, Kazuhiro; Koshimizu, Hironao; Miura, Takeshi 10 2018 Isometries on Banach algebras of vector-valued maps. Zbl 1413.46039Hatori, Osamu; Oi, Shiho 10 2018 Algebraic orthogonality and commuting projections in operator algebras. Zbl 1413.46023Karn, Anil Kumar 9 2018 Groups of order automorphisms of operator intervals. Zbl 1413.47066Šemrl, Peter 7 2018 Maps on probability measures preserving certain distances – a survey and some new results. Zbl 1399.46037Virosztek, Dániel 6 2018 Maps preserving the local spectrum of quadratic products of matrices. Zbl 1413.47059Abdelali, Zine El Abidine; Bourhim, Abdellatif 5 2018 Property \((UW_{\Pi})\) and localized SVEP. Zbl 1438.47024Aiena, Pietro; Kachad, Mohammed 5 2018 Maps on Hilbert space effect algebras preserving norms of operator means. Zbl 1424.47089Gaál, Marcell; Nagy, Gergő 4 2018 Cross-connections and variants of the full transformation semigroup. Zbl 1424.20077Muhammed, P. A. Azeef 4 2018 Bi-contractive projections on spaces of vector-valued continuous functions. Zbl 1399.47099Botelho, Fernanda 3 2018 Additive maps preserving the scrambling index are bijective. Zbl 1413.05038Guterman, A. E.; Maksaev, A. M. 3 2018 Maps between the positive definite cones of operator algebras preserving a norm of a geodesic correspondence. Zbl 1424.47093Molnár, Lajos 3 2018 Lebesgue type decompositions for linear relations and Ando’s uniqueness criterion. Zbl 1424.47007Hassi, Seppo; Sebestyén, Zoltán; Snoo, Henk de 3 2018 Weyl’s theorem and Putnam’s inequality for class \(p-wA(s,t)\) operators. Zbl 1424.47051Rashid, M. H. M.; Cho, Muneo; Prasad, T.; Tanahashi, Kotaro; Uciyama, Atsushi 2 2018 Some convergence theorems for multipliers on commutative Banach algebras. Zbl 1424.43003Mustafayev, Heybetkulu 2 2018 Preservers of isometries. Zbl 1413.47062Ilišević, Dijana; Kuzma, Bojan; Li, Chi-Kwong; Poon, Edward 1 2018 Linear maps that preserve semi-Fredholm operators acting on Banach spaces. Zbl 1413.47061González, Manuel; Mbekhta, Mostafa 1 2018 Gleason-Kahane-Żelazko theorems in function spaces. Zbl 1424.46065Mashreghi, Javad; Ransford, Thomas 1 2018 Finiteness of the nearring of congruence preserving and 0-preserving functions of an expanded group. Zbl 1438.16086Peterson, Gary L.; Scott, Stuart D. 1 2018 On order automorphisms of the effect algebra. Zbl 1438.47072Drnovšek, Roman 1 2018 Almost everywhere convergence of multiple operator averages for affine semigroups. Zbl 1424.47029Yoshimoto, Takeshi 1 2018 On the characterizations of some distinguished subclasses of Hilbert space operators. Zbl 1438.47022Bouraya, C.; Seddik, A. 1 2018 Characterization of probability measures on locally compact abelian groups via \(Q\)-independence. 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Zbl 1374.47003Sebestyén, Zoltán; Tarcsay, Zsigmond 11 2016 ...and 1108 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 8,522 Authors 68 Chajda, Ivan 61 Czédli, Gábor 54 Leindler, László 42 Móricz, Ferenc 35 Stochel, Jan 34 Duggal, Bhagwati Prashad 32 Sebestyén, Zoltán 31 Grätzer, George 31 Tandori, Károly 29 Jung, Il Bong 29 Popescu, Gelu 27 Volosivets, Sergeĭ Sergeevich 25 Peralta, Antonio M. 24 Ko, Eungil 24 Langer, Heinz 24 Stević, Stevo 23 Aiena, Pietro 23 Ball, Joseph Anthony 23 Schmidt, Elegius Tamas 22 Ricker, Werner Joseph 21 Corach, Gustavo 21 Mastroianni, Giuseppe 20 Foiaș, Ciprian 20 Herrmann, Christian 20 Molnár, Lajos 20 Szendrei, Ágnes 19 Curto, Raúl Enrique 19 Jabłoński, Zenon Jan 19 Maestripieri, Alejandra L. 19 Malkowsky, Eberhard 19 Páles, Zsolt 19 Woracek, Harald 19 Wu, Peiyuan 18 Alpay, Daniel Aron 18 de Snoo, Hendrik S. V. 18 Herrero, Domingo Antonio 18 Jeribi, Aref 18 Rashid, Mohammad Hussein Mohammad 18 Suciu, Laurian 17 Bercovici, Hari 17 Liflyand, Elijah 17 Sarkar, Jaydeb 17 Tikhonov, Sergey Yur’evich 17 Titkos, Tamás 16 Fritzsche, Bernd 16 Hassi, Seppo 16 Jiménez-Vargas, Antonio 16 Kirstein, Bernd 16 Li, Chi-Kwong 16 Muhly, Paul Scott 16 Reich, Simeon 16 Thuswaldner, Jörg Maximilian 15 Andruchow, Esteban 15 Davey, Brian A. 15 Goginava, Ushangi 15 Halaš, Radomír 15 Persson, Lars-Erik 15 Tarcsay, Zsigmond 15 Tephnadze, George 14 Basha, S. Sadiq 14 Derkach, Volodymyr Oleksandrovych 14 Đorđević, Dragan S. 14 Kevei, Péter 14 Kroó, András 14 Milovanović, Gradimir V. 14 Müller, Vladimír 14 Pearcy, Carl Mark Jr. 14 Vernikov, Boris Munevich 13 Butzer, Paul Leo 13 Feki, Kais 13 Furuta, Takayuki 13 Hosseini, Maliheh 13 Izuchi, Keiji 13 Kearnes, Keith A. 13 Lajos, Sandor 13 Mengestie, Tesfa Y. 13 Paulsen, Vern Ival 13 Weisz, Ferenc 12 Arlins’kyĭ, Yuriĭ Moĭseĭovych 12 Csörgő, Miklós 12 Csörgő, Sándor 12 Dijksma, Aad 12 Ditzian, Zeev 12 Erdős, Pál 12 Gohberg, Israel 12 Hatvani, László 12 Joó, István 12 Kaftal, Victor G. 12 Lee, Edmond W. H. 12 Mbekhta, Mostafa 12 Mesloub, Said 12 Sandovici, Adrian 12 Szafraniec, Franciszek Hugon 12 Timotin, Dan 12 Totik, Vilmos 11 Abel, Ulrich 11 Bermúdez, Teresa 11 Bobkov, Sergey Germanovich 11 Bonet Solves, José 11 Botelho, Fernanda ...and 8,422 more Authors all top 5 Cited in 693 Journals 529 Journal of Mathematical Analysis and Applications 367 Proceedings of the American Mathematical Society 341 Linear Algebra and its Applications 326 Journal of Functional Analysis 265 Integral Equations and Operator Theory 255 Algebra Universalis 230 Acta Mathematica Hungarica 219 Transactions of the American Mathematical Society 199 Journal of Approximation Theory 180 Acta Mathematica Academiae Scientiarum Hungaricae 138 Semigroup Forum 132 Journal of Algebra 115 Czechoslovak Mathematical Journal 114 Mathematische Zeitschrift 114 Complex Analysis and Operator Theory 110 Archiv der Mathematik 109 Mathematical Notes 106 Analysis Mathematica 100 Mathematische Annalen 99 Advances in Mathematics 96 Discrete Mathematics 94 Periodica Mathematica Hungarica 79 Journal of Mathematical Sciences (New York) 70 Mediterranean Journal of Mathematics 69 Ukrainian Mathematical Journal 67 Monatshefte für Mathematik 63 Aequationes Mathematicae 62 Siberian Mathematical Journal 60 Results in Mathematics 60 Proceedings of the Japan Academy 57 Rocky Mountain Journal of Mathematics 56 Journal of Computational and Applied Mathematics 56 Rendiconti del Circolo Matemàtico di Palermo. Serie II 56 Order 54 Applied Mathematics and Computation 52 Israel Journal of Mathematics 51 Tôhoku Mathematical Journal. Second Series 49 Journal of Pure and Applied Algebra 48 Bulletin of the American Mathematical Society 47 Mathematica Slovaca 46 Journal of Inequalities and Applications 44 Communications in Mathematical Physics 44 Acta Mathematica Sinica. English Series 44 Banach Journal of Mathematical Analysis 43 Journal of Soviet Mathematics 43 Filomat 41 Discrete & Computational Geometry 40 Linear and Multilinear Algebra 40 Journal of Differential Equations 40 Operators and Matrices 39 Abstract and Applied Analysis 37 Discrete Applied Mathematics 37 Journal d’Analyse Mathématique 37 Theoretical Computer Science 36 Communications in Algebra 35 Annales de l’Institut Fourier 35 Statistics & Probability Letters 33 Annali di Matematica Pura ed Applicata. Serie Quarta 31 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 31 Positivity 30 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica 30 Mathematische Nachrichten 30 Advances in Operator Theory 29 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 28 Indagationes Mathematicae. New Series 27 Journal of Number Theory 27 Topology and its Applications 27 Journal of Function Spaces 26 Journal of Optimization Theory and Applications 25 Annals of Functional Analysis 24 Acta Mathematica 24 Rendiconti del Seminario Matematico della Università di Padova 24 Fixed Point Theory and Applications 23 Computers & Mathematics with Applications 23 Fuzzy Sets and Systems 23 Studia Logica 23 European Journal of Combinatorics 23 Stochastic Processes and their Applications 23 Soft Computing 23 Nonlinear Analysis. Theory, Methods & Applications 22 Acta Scientiarum Mathematicarum 22 Journal of Combinatorial Theory. Series B 22 Acta Applicandae Mathematicae 22 Computational Geometry 22 International Journal of Algebra and Computation 22 Asian-European Journal of Mathematics 21 Algebra and Logic 20 Mathematics of Computation 20 Manuscripta Mathematica 20 Constructive Approximation 20 Journal of Theoretical Probability 20 The Journal of Geometric Analysis 20 Russian Mathematics 20 Mathematical Inequalities & Applications 19 Zeitschrift für Wahrscheinlichkeitstheorie und Verwandte Gebiete 18 International Journal of Theoretical Physics 18 Studia Mathematica 18 Arkiv för Matematik 18 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 18 Journal of Multivariate Analysis ...and 593 more Journals all top 5 Cited in 64 Fields 2,956 Operator theory (47-XX) 1,474 Functional analysis (46-XX) 802 Group theory and generalizations (20-XX) 712 Harmonic analysis on Euclidean spaces (42-XX) 606 Order, lattices, ordered algebraic structures (06-XX) 572 Approximations and expansions (41-XX) 504 Functions of a complex variable (30-XX) 494 Probability theory and stochastic processes (60-XX) 477 General algebraic systems (08-XX) 453 Combinatorics (05-XX) 377 Real functions (26-XX) 368 Linear and multilinear algebra; matrix theory (15-XX) 339 Number theory (11-XX) 272 Ordinary differential equations (34-XX) 240 Partial differential equations (35-XX) 236 Associative rings and algebras (16-XX) 234 Mathematical logic and foundations (03-XX) 229 Numerical analysis (65-XX) 222 Sequences, series, summability (40-XX) 222 Computer science (68-XX) 220 Convex and discrete geometry (52-XX) 199 Several complex variables and analytic spaces (32-XX) 190 Operations research, mathematical programming (90-XX) 182 Measure and integration (28-XX) 176 General topology (54-XX) 173 Statistics (62-XX) 158 Differential geometry (53-XX) 144 Abstract harmonic analysis (43-XX) 142 Special functions (33-XX) 136 Difference and functional equations (39-XX) 123 Topological groups, Lie groups (22-XX) 117 Nonassociative rings and algebras (17-XX) 111 Quantum theory (81-XX) 110 Dynamical systems and ergodic theory (37-XX) 110 Calculus of variations and optimal control; optimization (49-XX) 101 Information and communication theory, circuits (94-XX) 87 Category theory; homological algebra (18-XX) 86 Commutative algebra (13-XX) 82 Systems theory; control (93-XX) 75 Manifolds and cell complexes (57-XX) 72 Integral transforms, operational calculus (44-XX) 67 Geometry (51-XX) 62 Global analysis, analysis on manifolds (58-XX) 57 History and biography (01-XX) 57 Potential theory (31-XX) 56 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 48 Integral equations (45-XX) 35 Algebraic geometry (14-XX) 31 Field theory and polynomials (12-XX) 29 Statistical mechanics, structure of matter (82-XX) 26 Algebraic topology (55-XX) 24 Mechanics of particles and systems (70-XX) 23 Fluid mechanics (76-XX) 20 General and overarching topics; collections (00-XX) 20 Mechanics of deformable solids (74-XX) 17 Biology and other natural sciences (92-XX) 11 \(K\)-theory (19-XX) 11 Relativity and gravitational theory (83-XX) 5 Optics, electromagnetic theory (78-XX) 5 Astronomy and astrophysics (85-XX) 4 Classical thermodynamics, heat transfer (80-XX) 2 Geophysics (86-XX) 2 Mathematics education (97-XX) 1 (04-XX) Citations by Year