Edit Profile (opens in new tab) Ruiz del Portal, Francisco Romero Co-Author Distance Author ID: ruiz-del-portal.francisco-romero Published as: Ruiz del Portal, Francisco R.; Ruiz del Portal, F. R.; del Portal, Francisco R. Ruiz; Ruiz del Portal, Francisco Romero; Del Portal, Francisco R. Ruiz; Ruiz Del Portal, Francisco R.; Ruiz Del Portal, Francisco Romero; Ruiz del Portal, Francisco; del Portal, F. R. Ruiz; Ruiz Del Portal, F. R.; Ruíz del Portal, F. R. more...less External Links: MGP Documents Indexed: 57 Publications since 1992, including 4 Additional arXiv Preprints 2 Contributions as Editor Co-Authors: 24 Co-Authors with 53 Joint Publications 378 Co-Co-Authors all top 5 Co-Authors 5 single-authored 25 Moron, Manuel Alonso 11 Salazar, José Miguel 9 Hernández-Corbato, Luis 7 Chocano, Pedro J. 6 Sanjurjo, José Manuel Rodríguez 5 Cuchillo-Ibáñez, Eduardo 4 Dydak, Jerzy 4 Giraldo, Antonio 3 Nieves-Rivera, David Jesús 2 Le Calvez, Patrice 2 Ortega, Rafael 1 Barge Yáñez, Héctor 1 Blanco Gómez, Eduardo 1 Capulín, Felix 1 Ferrera, Juan 1 Gasull, Armengol 1 Graff, Grzegorz 1 Kołodziejczyk, Danuta 1 López-Gómez, Julián 1 Mondéjar Ruiz, Diego 1 Nowak-Przygodzki, Piotr 1 Romero, Carlos 1 Sánchez-Gabites, Jaime Jorge 1 Sánchez-Garrido, Mónica all top 5 Serials 10 Topology and its Applications 4 Journal of Differential Equations 2 Fundamenta Mathematicae 2 Journal of the London Mathematical Society. Second Series 2 Journal of Pure and Applied Algebra 2 Manuscripta Mathematica 2 Mathematica Japonica 2 Mathematische Zeitschrift 2 Ergodic Theory and Dynamical Systems 2 Topology Proceedings 2 Journal of Fixed Point Theory and Applications 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Journal of the Mathematical Society of Japan 1 Journal of Optimization Theory and Applications 1 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 1 Proceedings of the American Mathematical Society 1 Topology 1 Transactions of the American Mathematical Society 1 Tsukuba Journal of Mathematics 1 Acta Mathematica Hungarica 1 Physica D 1 Publicacions Matemàtiques 1 Proceedings of the Royal Society of Edinburgh. Section A. Mathematics 1 Journal of Dynamics and Differential Equations 1 Topological Methods in Nonlinear Analysis 1 Discrete and Continuous Dynamical Systems 1 Geometry & Topology 1 Journal of the European Mathematical Society (JEMS) 1 Fixed Point Theory and Applications 1 Discrete and Continuous Dynamical Systems. Series S 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM all top 5 Fields 40 General topology (54-XX) 27 Dynamical systems and ergodic theory (37-XX) 27 Algebraic topology (55-XX) 5 Order, lattices, ordered algebraic structures (06-XX) 4 Category theory; homological algebra (18-XX) 2 General and overarching topics; collections (00-XX) 2 Functions of a complex variable (30-XX) 1 History and biography (01-XX) 1 Combinatorics (05-XX) 1 Associative rings and algebras (16-XX) 1 Group theory and generalizations (20-XX) 1 Ordinary differential equations (34-XX) 1 Approximations and expansions (41-XX) 1 Operator theory (47-XX) 1 Manifolds and cell complexes (57-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Operations research, mathematical programming (90-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 43 Publications have been cited 221 times in 114 Documents Cited by ▼ Year ▼ Shape of global attractors in topological spaces. Zbl 1060.37010 Giraldo, A.; Morón, M. A.; Ruiz Del Portal, F. R.; Sanjurjo, J. M. R. 26 2005 Fixed point index of iterations of local homeomorphisms of the plane: a Conley index approach. Zbl 1009.54043 Ruiz del Portal, Francisco R.; Salazar, José M. 15 2002 Some duality properties of non-saddle sets. Zbl 1003.37009 Giraldo, A.; Morón, M. A.; Ruiz del Portal, F. R.; Sanjurjo, J. M. R. 14 2001 Indices of the iterates of \(\mathbb R^{3}\)-homeomorphisms at fixed points which are isolated invariant sets. Zbl 1209.37020 Le Calvez, Patrice; del Portal, Francisco R. Ruiz; Salazar, José M. 13 2010 Fixed point indices of planar continuous maps. Zbl 1366.37033 Ruiz del Portal, Francisco R.; Hernández-Corbato, Luis 10 2015 Attractors with vanishing rotation number. Zbl 1253.37048 Ortega, Rafael; Ruiz del Portal, Francisco R. 9 2011 A topology for the sets of shape morphisms. Zbl 0939.54007 Cuchillo-Ibáñez, E.; Morón, M. A.; Ruiz del Portal, F. R.; Sanjurjo, J. M. R. 7 1999 A stable/unstable manifold theorem for local homeomorphisms of the plane. Zbl 1073.37047 Ruiz del Portal, Francisco R.; Salazar, José M. 7 2005 Čech cohomology of attractors of discrete dynamical systems. Zbl 1297.54075 Ruiz del Portal, Francisco R.; Sánchez-Gabites, J. J. 7 2014 Pointed shape and global attractors for metrizable spaces. Zbl 1209.54007 Giraldo, A.; Jiménez, R.; Morón, M. A.; del Portal, F. R. Ruiz; Sanjurjo, J. M. R. 7 2011 A Poincaré formula for the fixed point indices of the iterates of arbitrary planar homeomorphisms. Zbl 1196.54068 Del Portal, Francisco R. Ruiz; Salazar, José M. 6 2010 Planar isolated and stable fixed points have index =1. Zbl 1052.37011 Ruiz del Portal, Francisco R. 6 2004 Fixed point index in hyperspaces: A Conley-type index for discrete semidynamical systems. Zbl 1046.37008 Ruiz del Portal, F. R.; Salazar, J. M. 6 2001 Topological realizations of groups in Alexandroff spaces. Zbl 1461.55006 Chocano, Pedro J.; Morón, Manuel A.; Ruiz del Portal, Francisco 6 2021 About the homological discrete Conley index of isolated invariant acyclic continua. Zbl 1291.37021 Hernández-Corbato, Luis; Le Calvez, Patrice; Ruiz Del Portal, Francisco R. 6 2013 Indices of the iterates of \(\mathbb R^3\)-homeomorphisms at Lyapunov stable fixed points. Zbl 1132.37012 Del Portal, Francisco R. Ruiz; Salazar, José M. 5 2008 Ultrametrics and infinite dimensional Whitehead theorems in shape theory. Zbl 0855.54022 Morón, M. A.; Ruiz del Portal, F. R. 5 1996 A note about the shape of attractors of discrete semidynamical systems. Zbl 1105.54019 Morón, Manuel A.; del Portal, Francisco R. Ruiz 5 2006 On weak shape equivalences. Zbl 0942.54015 Morón, M. A.; Ruiz del Portal, F. R. 5 1999 Shape as a Cantor completion process. Zbl 0874.54014 Morón, M. A.; Ruiz del Portal, F. R. 5 1997 Counting shape and homotopy types among fundamental absolute neighborhood retracts: An elementary approach. Zbl 0839.54021 Morón, M. A.; Ruiz del Portal, F. R. 5 1993 Isomorphisms in pro-categories. Zbl 1055.18005 Dydak, J.; Ruiz del Portal, F. R. 4 2004 Attractors with irrational rotation number. Zbl 1267.37040 Hernández-Corbato, Luis; Ortega, Rafael; Ruiz del Portal, Francisco R. 4 2012 Realization of all Dold’s congruences with stability. Zbl 1208.37014 Ruiz del Portal, Francisco R.; Salazar, José M. 4 2010 Generating well-behaved utility functions for compromise programming. Zbl 0866.90105 Morón, M. A.; Romero, C.; Ruiz del Portal, F. R. 3 1996 Lower semifinite topology in hyperspaces. Zbl 0790.54006 Cuchillo-Ibáñez, E.; Morón, M. A.; Ruiz del Portal, F. R. 3 1992 Ultrametric spaces, valued and semivalued groups arising from the theory of shape. Zbl 1300.55015 Cuchillo-Ibáñez, Eduardo; Morón, Manuel A.; Ruiz del Portal, Francisco R. 3 2012 Monomorphisms and epimorphisms in pro-categories. Zbl 1140.18002 Dydak, J.; Ruiz del Portal, F. R. 2 2007 Local fixed point indices of iterations of planar maps. Zbl 1230.37029 Graff, Grzegorz; Nowak-Przygodzki, Piotr; Ruiz del Portal, Francisco R. 2 2011 Bimorphisms in pro-homotopy and proper homotopy. Zbl 0936.55004 Dydak, Jerzy; Ruiz del Portal, Francisco Romero 2 1999 A note on isomorphic groups and nonhomeomorphic spaces. Zbl 0929.54015 Cuchillo-Ibáñez, E.; Morón, M. A.; Ruíz del Portal, F. R. 2 1999 Spaces of discrete shape and \(c\)-refinable maps that induce shape equivalences. Zbl 0907.54008 Morón, M. A.; Ruiz del Portal, F. R. 2 1997 Finite approximations to Čech homology. Zbl 0984.55003 Giraldo, A.; Morón, M. A.; Ruiz del Portal, F. R.; Sanjurjo, J. M. R. 2 2001 Multivalued maps and shape for paracompacta. Zbl 0808.54015 Morón, M. A.; Ruiz del Portal, F. R. 2 1994 Infinite series in cohomology: attractors and Conley index. Zbl 1441.37018 Hernández-Corbato, Luis; Ruiz del Portal, Francisco R.; Sánchez-Gabites, J. J. 2 2020 Stable sets of planar homeomorphisms with translation pseudo-arcs. Zbl 1446.37043 Ruiz del Portal, Francisco R. 2 2019 Shape index in metric spaces. Zbl 1082.37019 Ruiz del Portal, Francisco R.; Salazar, José M. 1 2003 Index 1 fixed points of orientation reversing planar homeomorphisms. Zbl 1364.37096 Ruiz del Portal, Francisco R.; Salazar, José M. 1 2015 Uniqueness of dynamical zeta functions and symmetric products. Zbl 1375.37068 Blanco Gómez, Eduardo; Hernández-Corbato, Luis; Ruiz del Portal, Francisco R. 1 2016 Isolating blocks of isolated invariant continua and fixed point index. Zbl 1426.37017 Ruiz del Portal, Francisco R.; Salazar, José M. 1 2019 Dynamics and eigenvalues in dimension zero. Zbl 1455.37015 Hernández-Corbato, Luis; Nieves-Rivera, David Jesús; Ruiz Del Portal, Francisco R.; Sánchez-Gabites, Jaime J. 1 2020 On some topological realizations of groups and homomorphisms. Zbl 1523.20008 Chocano, Pedro J.; Morón, Manuel A.; Ruiz del Portal, Francisco R. 1 2022 Computational approximations of compact metric spaces. Zbl 1487.54042 Chocano, Pedro J.; Morón, Manuel A.; Ruiz del Portal, Francisco R. 1 2022 On some topological realizations of groups and homomorphisms. Zbl 1523.20008 Chocano, Pedro J.; Morón, Manuel A.; Ruiz del Portal, Francisco R. 1 2022 Computational approximations of compact metric spaces. Zbl 1487.54042 Chocano, Pedro J.; Morón, Manuel A.; Ruiz del Portal, Francisco R. 1 2022 Topological realizations of groups in Alexandroff spaces. Zbl 1461.55006 Chocano, Pedro J.; Morón, Manuel A.; Ruiz del Portal, Francisco 6 2021 Infinite series in cohomology: attractors and Conley index. Zbl 1441.37018 Hernández-Corbato, Luis; Ruiz del Portal, Francisco R.; Sánchez-Gabites, J. J. 2 2020 Dynamics and eigenvalues in dimension zero. Zbl 1455.37015 Hernández-Corbato, Luis; Nieves-Rivera, David Jesús; Ruiz Del Portal, Francisco R.; Sánchez-Gabites, Jaime J. 1 2020 Stable sets of planar homeomorphisms with translation pseudo-arcs. Zbl 1446.37043 Ruiz del Portal, Francisco R. 2 2019 Isolating blocks of isolated invariant continua and fixed point index. Zbl 1426.37017 Ruiz del Portal, Francisco R.; Salazar, José M. 1 2019 Uniqueness of dynamical zeta functions and symmetric products. Zbl 1375.37068 Blanco Gómez, Eduardo; Hernández-Corbato, Luis; Ruiz del Portal, Francisco R. 1 2016 Fixed point indices of planar continuous maps. Zbl 1366.37033 Ruiz del Portal, Francisco R.; Hernández-Corbato, Luis 10 2015 Index 1 fixed points of orientation reversing planar homeomorphisms. Zbl 1364.37096 Ruiz del Portal, Francisco R.; Salazar, José M. 1 2015 Čech cohomology of attractors of discrete dynamical systems. Zbl 1297.54075 Ruiz del Portal, Francisco R.; Sánchez-Gabites, J. J. 7 2014 About the homological discrete Conley index of isolated invariant acyclic continua. Zbl 1291.37021 Hernández-Corbato, Luis; Le Calvez, Patrice; Ruiz Del Portal, Francisco R. 6 2013 Attractors with irrational rotation number. Zbl 1267.37040 Hernández-Corbato, Luis; Ortega, Rafael; Ruiz del Portal, Francisco R. 4 2012 Ultrametric spaces, valued and semivalued groups arising from the theory of shape. Zbl 1300.55015 Cuchillo-Ibáñez, Eduardo; Morón, Manuel A.; Ruiz del Portal, Francisco R. 3 2012 Attractors with vanishing rotation number. Zbl 1253.37048 Ortega, Rafael; Ruiz del Portal, Francisco R. 9 2011 Pointed shape and global attractors for metrizable spaces. Zbl 1209.54007 Giraldo, A.; Jiménez, R.; Morón, M. A.; del Portal, F. R. Ruiz; Sanjurjo, J. M. R. 7 2011 Local fixed point indices of iterations of planar maps. Zbl 1230.37029 Graff, Grzegorz; Nowak-Przygodzki, Piotr; Ruiz del Portal, Francisco R. 2 2011 Indices of the iterates of \(\mathbb R^{3}\)-homeomorphisms at fixed points which are isolated invariant sets. Zbl 1209.37020 Le Calvez, Patrice; del Portal, Francisco R. Ruiz; Salazar, José M. 13 2010 A Poincaré formula for the fixed point indices of the iterates of arbitrary planar homeomorphisms. Zbl 1196.54068 Del Portal, Francisco R. Ruiz; Salazar, José M. 6 2010 Realization of all Dold’s congruences with stability. Zbl 1208.37014 Ruiz del Portal, Francisco R.; Salazar, José M. 4 2010 Indices of the iterates of \(\mathbb R^3\)-homeomorphisms at Lyapunov stable fixed points. Zbl 1132.37012 Del Portal, Francisco R. Ruiz; Salazar, José M. 5 2008 Monomorphisms and epimorphisms in pro-categories. Zbl 1140.18002 Dydak, J.; Ruiz del Portal, F. R. 2 2007 A note about the shape of attractors of discrete semidynamical systems. Zbl 1105.54019 Morón, Manuel A.; del Portal, Francisco R. Ruiz 5 2006 Shape of global attractors in topological spaces. Zbl 1060.37010 Giraldo, A.; Morón, M. A.; Ruiz Del Portal, F. R.; Sanjurjo, J. M. R. 26 2005 A stable/unstable manifold theorem for local homeomorphisms of the plane. Zbl 1073.37047 Ruiz del Portal, Francisco R.; Salazar, José M. 7 2005 Planar isolated and stable fixed points have index =1. Zbl 1052.37011 Ruiz del Portal, Francisco R. 6 2004 Isomorphisms in pro-categories. Zbl 1055.18005 Dydak, J.; Ruiz del Portal, F. R. 4 2004 Shape index in metric spaces. Zbl 1082.37019 Ruiz del Portal, Francisco R.; Salazar, José M. 1 2003 Fixed point index of iterations of local homeomorphisms of the plane: a Conley index approach. Zbl 1009.54043 Ruiz del Portal, Francisco R.; Salazar, José M. 15 2002 Some duality properties of non-saddle sets. Zbl 1003.37009 Giraldo, A.; Morón, M. A.; Ruiz del Portal, F. R.; Sanjurjo, J. M. R. 14 2001 Fixed point index in hyperspaces: A Conley-type index for discrete semidynamical systems. Zbl 1046.37008 Ruiz del Portal, F. R.; Salazar, J. M. 6 2001 Finite approximations to Čech homology. Zbl 0984.55003 Giraldo, A.; Morón, M. A.; Ruiz del Portal, F. R.; Sanjurjo, J. M. R. 2 2001 A topology for the sets of shape morphisms. Zbl 0939.54007 Cuchillo-Ibáñez, E.; Morón, M. A.; Ruiz del Portal, F. R.; Sanjurjo, J. M. R. 7 1999 On weak shape equivalences. Zbl 0942.54015 Morón, M. A.; Ruiz del Portal, F. R. 5 1999 Bimorphisms in pro-homotopy and proper homotopy. Zbl 0936.55004 Dydak, Jerzy; Ruiz del Portal, Francisco Romero 2 1999 A note on isomorphic groups and nonhomeomorphic spaces. Zbl 0929.54015 Cuchillo-Ibáñez, E.; Morón, M. A.; Ruíz del Portal, F. R. 2 1999 Shape as a Cantor completion process. Zbl 0874.54014 Morón, M. A.; Ruiz del Portal, F. R. 5 1997 Spaces of discrete shape and \(c\)-refinable maps that induce shape equivalences. Zbl 0907.54008 Morón, M. A.; Ruiz del Portal, F. R. 2 1997 Ultrametrics and infinite dimensional Whitehead theorems in shape theory. Zbl 0855.54022 Morón, M. A.; Ruiz del Portal, F. R. 5 1996 Generating well-behaved utility functions for compromise programming. Zbl 0866.90105 Morón, M. A.; Romero, C.; Ruiz del Portal, F. R. 3 1996 Multivalued maps and shape for paracompacta. Zbl 0808.54015 Morón, M. A.; Ruiz del Portal, F. R. 2 1994 Counting shape and homotopy types among fundamental absolute neighborhood retracts: An elementary approach. Zbl 0839.54021 Morón, M. A.; Ruiz del Portal, F. R. 5 1993 Lower semifinite topology in hyperspaces. Zbl 0790.54006 Cuchillo-Ibáñez, E.; Morón, M. A.; Ruiz del Portal, F. R. 3 1992 all cited Publications top 5 cited Publications all top 5 Cited by 87 Authors 23 Ruiz del Portal, Francisco Romero 21 Sanjurjo, José Manuel Rodríguez 12 Barge Yáñez, Héctor 12 Graff, Grzegorz 12 Moron, Manuel Alonso 9 Giraldo, Antonio 7 Nowak-Przygodzki, Piotr 6 Hernández-Corbato, Luis 6 Salazar, José Miguel 5 Nasri, Tayyebe 4 Ortega, Rafael 3 Andres, Jan 3 Chocano, Pedro J. 3 Ghanei, Fateme 3 Kołodziejczyk, Danuta 3 Lebiedź, Małgorzata 3 Mashayekhy, Behrooz 3 Mirebrahimi, Hanieh 3 Misiurewicz, Michał 3 Romero, Carlos 3 Sánchez-Gabites, Jaime J. 3 Shoptrajanov, Martin 3 Wójcik, Klaudiusz 2 Cuchillo-Ibáñez, Eduardo 2 Duan, Jinqiao 2 Dydak, Jerzy 2 Hernández Paricio, Luis Javier 2 Iglesias, Jorge 2 Jezierski, Jerzy 2 Le Calvez, Patrice 2 Li, Desheng 2 Martínez-Pérez, Álvaro 2 Mrozek, Marian 2 Portela, Aldo 2 Rivas Rodríguez, María Teresa 2 Rosický, Jiří 2 Rovella, Alvaro 2 Ruiz-Herrera, Alfonso 2 Shekutkovskiĭ, Nikita 2 Wang, Jintao 2 Xavier, Juliana C. 1 Adámek, Jiří 1 Batko, Bogdan 1 Benkhalifa, Mahmoud 1 Blanco Gómez, Eduardo 1 Boroński, Jan P. 1 Byszewski, Jakub 1 Činč, Jernej 1 Extremiana Aldana, José Ignacio 1 Fernández Cestau, Jaime Martín 1 Fišer, Jiří 1 Gabor, Grzegorz 1 Gevorgyan, Pavel S. 1 Gulgowski, Jacek 1 Honorato, Gerardo 1 Ivanova-Dimova, Elza 1 Jiménez López, Víctor 1 Kaczkowska, Agnieszka 1 Koceić Bilan, Nikola 1 Koropecki, Andres 1 Kubica, Jacek 1 Laguna, Víctor F. 1 Leśniak, Krzysztof 1 Lipiński, Michał 1 Luzón, Ana 1 Matsumoto, Shigenori 1 Minc, Piotr 1 Mondéjar Ruiz, Diego 1 Myszkowski, Adrian 1 Nassiri, Meysam 1 Nieves-Rivera, David Jesús 1 Oprocha, Piotr 1 Peralta-Salas, Daniel 1 Rabanal, Roland 1 Rypka, Miposlav 1 Sánchez-González, Á. 1 Shumrani, M. A. Al 1 Signerska, Justyna 1 Stamov, Gani Trendafilov 1 Stamova, Ivanka Milkova 1 Štimac, Sonja 1 Ureña, Antonio J. 1 Valenzuela, Francisco 1 Väth, Martin 1 Wanner, Thomas 1 Ward, Thomas B. 1 Zelik, Sergey V. all top 5 Cited in 47 Serials 27 Topology and its Applications 10 Journal of Differential Equations 5 Discrete and Continuous Dynamical Systems 5 Journal of Fixed Point Theory and Applications 4 Transactions of the American Mathematical Society 3 Proceedings of the American Mathematical Society 3 Journal of Dynamics and Differential Equations 3 Journal of Difference Equations and Applications 2 Journal of Mathematical Analysis and Applications 2 Journal of the Mathematical Society of Japan 2 Journal of Pure and Applied Algebra 2 Mathematische Zeitschrift 2 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 2 Ergodic Theory and Dynamical Systems 2 Physica D 2 European Journal of Operational Research 2 Applied Categorical Structures 2 Qualitative Theory of Dynamical Systems 2 Discrete and Continuous Dynamical Systems. Series S 2 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Nonlinearity 1 Russian Mathematical Surveys 1 Chaos, Solitons and Fractals 1 Archiv der Mathematik 1 Bulletin of the London Mathematical Society 1 Czechoslovak Mathematical Journal 1 Duke Mathematical Journal 1 International Journal of Mathematics and Mathematical Sciences 1 Journal of Optimization Theory and Applications 1 Manuscripta Mathematica 1 Monatshefte für Mathematik 1 Proceedings of the London Mathematical Society. Third Series 1 Glasnik Matematički. Serija III 1 International Journal of Bifurcation and Chaos in Applied Sciences and Engineering 1 Topological Methods in Nonlinear Analysis 1 Journal of Mathematical Sciences (New York) 1 The Electronic Journal of Combinatorics 1 Selecta Mathematica. New Series 1 Geometry & Topology 1 Revista Matemática Complutense 1 Dynamical Systems 1 Fixed Point Theory and Applications 1 Proceedings of the International Geometry Center 1 Caspian Journal of Mathematical Sciences 1 Journal of Applied and Computational Topology 1 Russian Journal of Nonlinear Dynamics all top 5 Cited in 23 Fields 77 Dynamical systems and ergodic theory (37-XX) 52 General topology (54-XX) 45 Algebraic topology (55-XX) 9 Category theory; homological algebra (18-XX) 8 Ordinary differential equations (34-XX) 6 Manifolds and cell complexes (57-XX) 3 Order, lattices, ordered algebraic structures (06-XX) 3 Number theory (11-XX) 3 Measure and integration (28-XX) 3 Operator theory (47-XX) 3 Differential geometry (53-XX) 2 Combinatorics (05-XX) 2 Functions of a complex variable (30-XX) 2 Difference and functional equations (39-XX) 2 Geometry (51-XX) 2 Global analysis, analysis on manifolds (58-XX) 2 Operations research, mathematical programming (90-XX) 2 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Associative rings and algebras (16-XX) 1 Group theory and generalizations (20-XX) 1 Real functions (26-XX) 1 Partial differential equations (35-XX) 1 Computer science (68-XX) Citations by Year