Edit Profile (opens in new tab) Kwasik, Sławomir Co-Author Distance Author ID: kwasik.slawomir Published as: Kwasik, Sławomir; Kwasik, Slawomir; Kwasik, S.; Kwasik, Slawomor more...less Homepage: http://tulane.edu/sse/math/faculty/slawomir-kwasik.cfm External Links: MGP Documents Indexed: 70 Publications since 1977, including 1 Additional arXiv Preprint Co-Authors: 13 Co-Authors with 53 Joint Publications 145 Co-Co-Authors all top 5 Co-Authors 17 single-authored 32 Schultz, Reinhard E. 6 Jahren, Bjørn 4 Chen, Weimin 3 Belegradek, Igor 3 Rosicki, Witold 3 Sun, Fang 3 Vogel, Pierre 2 Lee, Kyung Bai 1 Buchdahl, Nicholas P. 1 Haynes, Richard 1 Komendarczyk, Rafal 1 Lawson, Terry C. 1 Mast, Jerrel all top 5 Serials 9 Mathematical Proceedings of the Cambridge Philosophical Society 6 Topology 5 Duke Mathematical Journal 4 American Journal of Mathematics 4 Commentarii Mathematici Helvetici 4 Topology and its Applications 3 Inventiones Mathematicae 3 Proceedings of the American Mathematical Society 2 Journal of Differential Geometry 2 Mathematische Annalen 2 \(K\)-Theory 2 Forum Mathematicum 2 L’Enseignement Mathématique. 2e Série 2 Bulletin de l’Académie Polonaise des Sciences, Série des Sciences Mathématiques, Astronomiques et Physiques 2 Journal of Topology 1 Advances in Mathematics 1 Bulletin of the London Mathematical Society 1 Canadian Journal of Mathematics 1 Canadian Mathematical Bulletin 1 Compositio Mathematica 1 Fundamenta Mathematicae 1 Journal of the London Mathematical Society. Second Series 1 Journal für die Reine und Angewandte Mathematik 1 Proceedings of the London Mathematical Society. Third Series 1 The Quarterly Journal of Mathematics. Oxford Second Series 1 Transactions of the American Mathematical Society 1 Bulletin de l’Académie Polonaise des Sciences. Série des Sciences Mathématiques 1 Homology, Homotopy and Applications 1 The Quarterly Journal of Mathematics 1 Journal of Homotopy and Related Structures all top 5 Fields 64 Manifolds and cell complexes (57-XX) 17 Algebraic topology (55-XX) 6 Differential geometry (53-XX) 5 General topology (54-XX) 5 Global analysis, analysis on manifolds (58-XX) 4 \(K\)-theory (19-XX) 1 Algebraic geometry (14-XX) 1 Category theory; homological algebra (18-XX) 1 Several complex variables and analytic spaces (32-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 52 Publications have been cited 246 times in 166 Documents Cited by ▼ Year ▼ One fixed point actions on low-dimensional spheres. Zbl 0735.57021 Buchdahl, N. P.; Kwasik, Sławomir; Schultz, Reinhard 16 1990 Moduli spaces of nonnegative sectional curvature and non-unique souls. Zbl 1242.53035 Belegradek, Igor; Kwasik, Slawomir; Schultz, Reinhard 15 2011 Positive scalar curvature and periodic fundamental groups. Zbl 0717.53026 Kwasik, Sławomir; Schultz, Reinhard 13 1990 The Nielsen numbers of homotopically periodic maps of infranilmanifolds. Zbl 0675.55004 Kwasik, Sławomir; Lee, Kyung Bai 12 1988 Symplectic symmetries of 4-manifolds. Zbl 1123.57015 Chen, Weimin; Kwasik, Slawomir 12 2007 Free involutions on \(S ^{1} \times S ^{n }\). Zbl 1229.57031 Jahren, Bjørn; Kwasik, Sławomir 12 2011 Desuspension of group actions and the ribbon theorem. Zbl 0664.57018 Kwasik, Sławomir; Schultz, Reinhard 11 1988 Codimension two souls and cancellation phenomena. Zbl 1314.53063 Belegradek, Igor; Kwasik, Sławomir; Schultz, Reinhard 9 2015 Asymmetric four-dimensional manifolds. Zbl 0669.57022 Kwasik, Slawomir; Vogel, Pierre 8 1986 Locally linear actions on 3-manifolds. Zbl 0672.57023 Kwasik, Sławomir; Lee, Kyung Bai 8 1988 On s-cobordisms of metacyclic prism manifolds. Zbl 0688.57019 Kwasik, S.; Schultz, R. 8 1989 Symmetries and exotic smooth structures on a K3 surface. Zbl 1207.57042 Chen, Weimin; Kwasik, Slawomir 8 2008 Nonsmoothable \(\mathbb{Z}_ p\) actions on contractible 4-manifolds. Zbl 0764.57024 Kwasik, Slawomir; Lawson, T. 8 1993 Symmetric symplectic homotopy \(K3\) surfaces. Zbl 1245.57035 Chen, Weimin; Kwasik, Slawomir 7 2011 Periodic maps on \(R^7\) without fixed points. Zbl 0997.55004 Haynes, Richard; Kwasik, Slawomir; Mast, Jerrel; Schultz, Reinhard 6 2002 On low dimensional s-cobordisms. Zbl 0605.57017 Kwasik, Slawomir 6 1986 Toral and exponential stabilization for homotopy spherical spaceforms. Zbl 1077.55005 Kwasik, Sławomir; Schultz, Reinhard 6 2004 Icosahedral group actions on \(\mathbb{R}{}^ 3\). Zbl 0771.57014 Kwasik, Sławomir; Schultz, Reinhard 6 1992 Homological properties of periodic homeomorphisms of 4-manifolds. Zbl 0667.57024 Kwasik, Sławomir; Schultz, Reinhard 5 1989 Manifolds homotopy equivalent to \(RP^4 \# RP^4\). Zbl 1110.55004 Jahren, Bjørn; Kwasik, Slawomir 5 2006 Vanishing of Whitehead torsion in dimension four. Zbl 0771.57011 Kwasik, Sławomir; Schultz, Reinhard 5 1992 Three-dimensional surgery theory, UNil-groups and the Borel conjecture. Zbl 1046.57024 Jahren, Bjørn; Kwasik, Sławomir 5 2003 On the equivariant homotopy type of G-ANR’s. Zbl 0495.57013 Kwasik, Slawomir 4 1981 On the symmetries of the fake \({\mathbb{C}}P^ 2\). Zbl 0602.57027 Kwasik, Slawomir 4 1986 On stability of 3-manifolds. Zbl 1060.57013 Kwasik, Sławomir; Rosicki, Witold 4 2004 On the homotopy type of G-manifolds and G-ANR-s. Zbl 0494.57017 Kwasik, Slawomir 3 1980 Fake spherical spaceforms of constant positive scalar curvature. Zbl 0851.53025 Kwasik, Sławomir; Schultz, Reinhard 3 1996 Pseudo-isotopies of 3-manifolds. Zbl 0857.57021 Kwasik, Sławomir; Schultz, Reinhard 3 1996 On \(h\)-cobordisms of spherical space forms. Zbl 0923.57009 Kwasik, Slawomir; Schultz, Reinhard 3 1999 All \(\mathbb{Z}_q\) lens spaces have diffeomorphic squares. Zbl 0991.57020 Kwasik, Slawomir; Schultz, Reinhard 3 2002 Nonlocally smoothable topological symmetries of four-manifolds. Zbl 0639.57017 Kwasik, Slawomir; Vogel, Pierre 2 1986 Low-dimensional concordances, Whitney towers and isotopies. Zbl 0642.57010 Kwasik, Slawomir 2 1987 Visible surgery, four-dimensional \(s\)-cobordisms and related questions in geometric topology. Zbl 0833.57019 Kwasik, Sławomir; Schultz, Reinhard 2 1995 Pseudofree group actions on \(S^ 4\). Zbl 0695.57024 Kwasik, Sławomir; Schultz, Reinhard 2 1990 Finite symmetries of \(S^4\). Zbl 1336.57027 Chen, Weimin; Kwasik, Sławomir; Schultz, Reinhard 2 2016 How different can \(h\)-cobordant manifolds be? Zbl 1342.57020 Jahren, Bjørn; Kwasik, Sławomir 2 2015 On equivariant finiteness. Zbl 0519.57036 Kwasik, Slawomir 1 1983 Wall’s obstructions and Whitehead torsion. Zbl 0537.57010 Kwasik, Sławomir 1 1983 Cartesian powers of 3-manifolds. Zbl 1105.57018 Kwasik, Sławomir; Schultz, Reinhard 1 2007 On homotopy domination. Zbl 0572.57009 Kwasik, Sławomir 1 1984 Locally smooth G-manifolds. Zbl 0584.57026 Kwasik, Slawomir 1 1986 On four-dimensional h-cobordism. Zbl 0618.57012 Kwasik, Slawomor 1 1986 Topological pseudofree actions on spheres. Zbl 0737.57016 Kwasik, Sławomir; Schultz, Reinhard 1 1991 Inductive detection for homotopy equivalences of manifolds. Zbl 0882.55007 Kwasik, Sławomir; Schultz, Reinhard 1 1997 A Lefschetz-type fixed point theorem for absolute neighbourhood retracts. Zbl 0375.55006 Kwasik, Slawomir 1 1977 Unitary nilpotent groups and the stability of pseudoisotopies. Zbl 0804.57009 Kwasik, Sławomir; Schultz, Reinhard 1 1993 Finite restrictions of pseudofree circle actions on 4-manifolds. Zbl 0826.57018 Kwasik, Sławomir; Schultz, Reinhard 1 1994 On periodicity in topological surgery. Zbl 0623.57020 Kwasik, Slawomir 1 1986 Local coefficients revisited. Zbl 1429.55012 Kwasik, Sławomir; Sun, Fang 1 2018 Topological symmetries of \(\mathbb{R}^3\). Zbl 1420.57051 Kwasik, Slawomir; Sun, Fang 1 2019 Cartesian product stabilization of 3-manifolds. Zbl 1205.57021 Kwasik, Sławomir; Rosicki, Witold 1 2010 Decomposing manifolds into Cartesian products. Zbl 1395.57043 Kwasik, Slawomir; Schultz, Reinhard 1 2018 Topological symmetries of \(\mathbb{R}^3\). Zbl 1420.57051 Kwasik, Slawomir; Sun, Fang 1 2019 Local coefficients revisited. Zbl 1429.55012 Kwasik, Sławomir; Sun, Fang 1 2018 Decomposing manifolds into Cartesian products. Zbl 1395.57043 Kwasik, Slawomir; Schultz, Reinhard 1 2018 Finite symmetries of \(S^4\). Zbl 1336.57027 Chen, Weimin; Kwasik, Sławomir; Schultz, Reinhard 2 2016 Codimension two souls and cancellation phenomena. Zbl 1314.53063 Belegradek, Igor; Kwasik, Sławomir; Schultz, Reinhard 9 2015 How different can \(h\)-cobordant manifolds be? Zbl 1342.57020 Jahren, Bjørn; Kwasik, Sławomir 2 2015 Moduli spaces of nonnegative sectional curvature and non-unique souls. Zbl 1242.53035 Belegradek, Igor; Kwasik, Slawomir; Schultz, Reinhard 15 2011 Free involutions on \(S ^{1} \times S ^{n }\). Zbl 1229.57031 Jahren, Bjørn; Kwasik, Sławomir 12 2011 Symmetric symplectic homotopy \(K3\) surfaces. Zbl 1245.57035 Chen, Weimin; Kwasik, Slawomir 7 2011 Cartesian product stabilization of 3-manifolds. Zbl 1205.57021 Kwasik, Sławomir; Rosicki, Witold 1 2010 Symmetries and exotic smooth structures on a K3 surface. Zbl 1207.57042 Chen, Weimin; Kwasik, Slawomir 8 2008 Symplectic symmetries of 4-manifolds. Zbl 1123.57015 Chen, Weimin; Kwasik, Slawomir 12 2007 Cartesian powers of 3-manifolds. Zbl 1105.57018 Kwasik, Sławomir; Schultz, Reinhard 1 2007 Manifolds homotopy equivalent to \(RP^4 \# RP^4\). Zbl 1110.55004 Jahren, Bjørn; Kwasik, Slawomir 5 2006 Toral and exponential stabilization for homotopy spherical spaceforms. Zbl 1077.55005 Kwasik, Sławomir; Schultz, Reinhard 6 2004 On stability of 3-manifolds. Zbl 1060.57013 Kwasik, Sławomir; Rosicki, Witold 4 2004 Three-dimensional surgery theory, UNil-groups and the Borel conjecture. Zbl 1046.57024 Jahren, Bjørn; Kwasik, Sławomir 5 2003 Periodic maps on \(R^7\) without fixed points. Zbl 0997.55004 Haynes, Richard; Kwasik, Slawomir; Mast, Jerrel; Schultz, Reinhard 6 2002 All \(\mathbb{Z}_q\) lens spaces have diffeomorphic squares. Zbl 0991.57020 Kwasik, Slawomir; Schultz, Reinhard 3 2002 On \(h\)-cobordisms of spherical space forms. Zbl 0923.57009 Kwasik, Slawomir; Schultz, Reinhard 3 1999 Inductive detection for homotopy equivalences of manifolds. Zbl 0882.55007 Kwasik, Sławomir; Schultz, Reinhard 1 1997 Fake spherical spaceforms of constant positive scalar curvature. Zbl 0851.53025 Kwasik, Sławomir; Schultz, Reinhard 3 1996 Pseudo-isotopies of 3-manifolds. Zbl 0857.57021 Kwasik, Sławomir; Schultz, Reinhard 3 1996 Visible surgery, four-dimensional \(s\)-cobordisms and related questions in geometric topology. Zbl 0833.57019 Kwasik, Sławomir; Schultz, Reinhard 2 1995 Finite restrictions of pseudofree circle actions on 4-manifolds. Zbl 0826.57018 Kwasik, Sławomir; Schultz, Reinhard 1 1994 Nonsmoothable \(\mathbb{Z}_ p\) actions on contractible 4-manifolds. Zbl 0764.57024 Kwasik, Slawomir; Lawson, T. 8 1993 Unitary nilpotent groups and the stability of pseudoisotopies. Zbl 0804.57009 Kwasik, Sławomir; Schultz, Reinhard 1 1993 Icosahedral group actions on \(\mathbb{R}{}^ 3\). Zbl 0771.57014 Kwasik, Sławomir; Schultz, Reinhard 6 1992 Vanishing of Whitehead torsion in dimension four. Zbl 0771.57011 Kwasik, Sławomir; Schultz, Reinhard 5 1992 Topological pseudofree actions on spheres. Zbl 0737.57016 Kwasik, Sławomir; Schultz, Reinhard 1 1991 One fixed point actions on low-dimensional spheres. Zbl 0735.57021 Buchdahl, N. P.; Kwasik, Sławomir; Schultz, Reinhard 16 1990 Positive scalar curvature and periodic fundamental groups. Zbl 0717.53026 Kwasik, Sławomir; Schultz, Reinhard 13 1990 Pseudofree group actions on \(S^ 4\). Zbl 0695.57024 Kwasik, Sławomir; Schultz, Reinhard 2 1990 On s-cobordisms of metacyclic prism manifolds. Zbl 0688.57019 Kwasik, S.; Schultz, R. 8 1989 Homological properties of periodic homeomorphisms of 4-manifolds. Zbl 0667.57024 Kwasik, Sławomir; Schultz, Reinhard 5 1989 The Nielsen numbers of homotopically periodic maps of infranilmanifolds. Zbl 0675.55004 Kwasik, Sławomir; Lee, Kyung Bai 12 1988 Desuspension of group actions and the ribbon theorem. Zbl 0664.57018 Kwasik, Sławomir; Schultz, Reinhard 11 1988 Locally linear actions on 3-manifolds. Zbl 0672.57023 Kwasik, Sławomir; Lee, Kyung Bai 8 1988 Low-dimensional concordances, Whitney towers and isotopies. Zbl 0642.57010 Kwasik, Slawomir 2 1987 Asymmetric four-dimensional manifolds. Zbl 0669.57022 Kwasik, Slawomir; Vogel, Pierre 8 1986 On low dimensional s-cobordisms. Zbl 0605.57017 Kwasik, Slawomir 6 1986 On the symmetries of the fake \({\mathbb{C}}P^ 2\). Zbl 0602.57027 Kwasik, Slawomir 4 1986 Nonlocally smoothable topological symmetries of four-manifolds. Zbl 0639.57017 Kwasik, Slawomir; Vogel, Pierre 2 1986 Locally smooth G-manifolds. Zbl 0584.57026 Kwasik, Slawomir 1 1986 On four-dimensional h-cobordism. Zbl 0618.57012 Kwasik, Slawomor 1 1986 On periodicity in topological surgery. Zbl 0623.57020 Kwasik, Slawomir 1 1986 On homotopy domination. Zbl 0572.57009 Kwasik, Sławomir 1 1984 On equivariant finiteness. Zbl 0519.57036 Kwasik, Slawomir 1 1983 Wall’s obstructions and Whitehead torsion. Zbl 0537.57010 Kwasik, Sławomir 1 1983 On the equivariant homotopy type of G-ANR’s. Zbl 0495.57013 Kwasik, Slawomir 4 1981 On the homotopy type of G-manifolds and G-ANR-s. Zbl 0494.57017 Kwasik, Slawomir 3 1980 A Lefschetz-type fixed point theorem for absolute neighbourhood retracts. Zbl 0375.55006 Kwasik, Slawomir 1 1977 all cited Publications top 5 cited Publications all top 5 Cited by 162 Authors 23 Kwasik, Sławomir 14 Schultz, Reinhard E. 6 Belegradek, Igor 6 Morimoto, Masaharu 5 González-Álvaro, David 5 Khan, Qayum 5 Liu, Ximin 4 Cima, Anna 4 Edmonds, Allan L. 4 Gasull, Armengol 4 Guilbault, Craig R. 4 Jahren, Bjørn 4 Lee, Jong Bum 4 Lee, Kyung Bai 3 Chen, Weimin 3 Davis, James Frederic 3 Dekimpe, Karel 3 Dessai, Anand Naique 3 Hillman, Jonathan Arthur 3 Hou, Bingzhe 3 Mañosas, Francesc 3 Mundet i Riera, Ignasi 3 Pan, Xiaotian 3 Rosicki, Witold 3 Tuschmann, Wilderich 3 Zimmermann, Bruno P. 2 Borowiecka, Agnieszka 2 Botvinnik, Boris I. 2 Cavicchioli, Alberto 2 Crowley, Diarmuid John 2 De Rock, Bram 2 Gu, Shijie 2 Gurevich, Elena Ya. 2 Hambleton, Ian 2 Hausmann, Jean-Claude 2 Hegenbarth, Friedrich 2 Kim, Hee Jung 2 Li, Hongxia 2 Macko, Tibor 2 Mañosa, Víctor 2 McCord, Christopher K. 2 Mizerka, Piotr 2 Ortega, Rafael 2 Pearl, Elliott 2 Pochinka, Ol’ga Vital’evna 2 Ruberman, Daniel 2 Singh, Mahender 2 Spaggiari, Fulvia 2 Tamura, Shunsuke 2 Wu, Yulai 2 Xue, Changtao 2 Yokoyama, Misako 2 Zibrowius, Marcus 1 Akhmedov, Anar 1 Amann, Manuel 1 Antonyan, Sergey A. 1 Anvari, Nima 1 Atallah, Marcelo S. 1 Auckly, David R. 1 Bak, Anthony 1 Barinova, Marina Konstantinovna 1 Błaszczyk, Zbigniew 1 Bogatyĭ, Semeon Antonovich 1 Brookman, Jeremy 1 Buchdahl, Nicholas P. 1 Byszewski, Jakub 1 Can, Mahir Bilen 1 Cappell, Sylvain E. 1 Chang, Stanley S. 1 Costantino, Francesco 1 de Mattos, Denise 1 De Nittis, Giuseppe 1 Dey, Pinka 1 Domínguez-Vázquez, Miguel 1 dos Santos, Edivaldo Lopes 1 Eismeier, Mike Miller 1 Elfving, Erik 1 Evans-Lee, Kyle 1 Fedorchuk, Vitaly Vitalievich 1 Fel’shtyn, Alexander 1 Futaki, Akito 1 Gadgil, Siddhartha 1 Ghomi, Mohammad 1 Gilkey, Peter B. 1 Golasiński, Marek 1 Gomi, Kiyonori 1 Gonçalves, Daciberg Lima 1 Goodman, Mcfeely Jackson 1 Graff, Grzegorz 1 Grillet, Lucien 1 Grines, Vyacheslav Zigmundovich 1 Hamilton, Mark J. D. 1 Hanke, Bernhard 1 Hayashi, Shin 1 Homs-Dones, Marc 1 Hu, Jing 1 Hughes, Bruce 1 Hughes, Sam 1 Ishida, Masashi 1 Jiménez Benitez, Rolando ...and 62 more Authors all top 5 Cited in 64 Serials 29 Topology and its Applications 10 Proceedings of the American Mathematical Society 7 Mathematische Annalen 7 Geometry & Topology 7 Algebraic & Geometric Topology 6 Mathematical Proceedings of the Cambridge Philosophical Society 5 Duke Mathematical Journal 5 Transactions of the American Mathematical Society 4 Inventiones Mathematicae 3 Journal of Geometry and Physics 3 Bulletin of the London Mathematical Society 3 Glasgow Mathematical Journal 3 Journal of Differential Geometry 3 Osaka Journal of Mathematics 3 \(K\)-Theory 3 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 3 Journal of Gökova Geometry Topology GGT 3 Science China. Mathematics 2 Geometriae Dedicata 2 Manuscripta Mathematica 2 Mathematische Zeitschrift 2 Monatshefte für Mathematik 2 Proceedings of the Edinburgh Mathematical Society. Series II 2 Chinese Annals of Mathematics. Series B 2 Annals of Global Analysis and Geometry 2 Bulletin of the Polish Academy of Sciences, Mathematics 2 Journal of Difference Equations and Applications 2 Discrete and Continuous Dynamical Systems 2 Journal of Topology 1 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV) 1 Letters in Mathematical Physics 1 Nonlinearity 1 Reviews in Mathematical Physics 1 Advances in Mathematics 1 Annales de l’Institut Fourier 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Canadian Mathematical Bulletin 1 Compositio Mathematica 1 Journal of Soviet Mathematics 1 Nagoya Mathematical Journal 1 Pacific Journal of Mathematics 1 Proceedings of the Japan Academy. Series A 1 Proceedings of the London Mathematical Society. Third Series 1 Bulletin of the Iranian Mathematical Society 1 International Journal of Mathematics 1 L’Enseignement Mathématique. 2e Série 1 Bulletin of the American Mathematical Society. New Series 1 Journal of Knot Theory and its Ramifications 1 Kyushu Journal of Mathematics 1 Electronic Research Announcements of the American Mathematical Society 1 Transformation Groups 1 Bulletin of the Brazilian Mathematical Society. New Series 1 Mediterranean Journal of Mathematics 1 Fixed Point Theory and Applications 1 Proceedings of the Steklov Institute of Mathematics 1 Frontiers of Mathematics in China 1 Journal of Noncommutative Geometry 1 Journal of Homotopy and Related Structures 1 Journal of Topology and Analysis 1 Kyoto Journal of Mathematics 1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 1 EMS Surveys in Mathematical Sciences 1 Zhurnal Srednevolzhskogo Matematicheskogo Obshchestva 1 Winter Braids Lecture Notes all top 5 Cited in 22 Fields 131 Manifolds and cell complexes (57-XX) 42 Algebraic topology (55-XX) 36 Differential geometry (53-XX) 19 Dynamical systems and ergodic theory (37-XX) 16 \(K\)-theory (19-XX) 16 Global analysis, analysis on manifolds (58-XX) 9 General topology (54-XX) 7 Group theory and generalizations (20-XX) 4 Algebraic geometry (14-XX) 3 Difference and functional equations (39-XX) 3 Quantum theory (81-XX) 2 Topological groups, Lie groups (22-XX) 2 Operator theory (47-XX) 1 General and overarching topics; collections (00-XX) 1 Number theory (11-XX) 1 Category theory; homological algebra (18-XX) 1 Functions of a complex variable (30-XX) 1 Potential theory (31-XX) 1 Functional analysis (46-XX) 1 Convex and discrete geometry (52-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Relativity and gravitational theory (83-XX) Citations by Year