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## Kreck, Matthias

Compute Distance To:
 Author ID: kreck.matthias Published as: Kreck, M.; Kreck, Matthias External Links: MGP · Wikidata · GND
 Documents Indexed: 67 Publications since 1972, including 7 Books Biographic References: 1 Publication
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#### Co-Authors

 26 single-authored 13 Hambleton, Ian 6 Teichner, Peter 5 Lück, Wolfgang 5 Stolz, Stephan A. 3 Schafer, James A. 2 Finashin, Sergey Mikhailovich 2 Viro, Oleg Ya. 1 Bunke, Ulrich 1 Fischer, Thomas Georg Bert 1 Hermann, Jochen A. 1 Hirzebruch, Friedrich 1 Hohnhold, Henning 1 Karras, Ulrich 1 Klaus, Stephan 1 Leichtnam, Eric 1 Neumann, Walter David 1 Ossa, Erich 1 Puppe, Volker 1 Schick, Thomas 1 Singhof, Wilhelm 1 Su, Yang 1 Suciu, Alexander I. 1 Tene, Haggai 1 Triantafillou, Georgia Visnjic
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#### Serials

 4 Mathematische Annalen 4 Journal of Topology 3 Journal für die Reine und Angewandte Mathematik 3 Topology 2 Mitteilungen der Deutschen Mathematiker-Vereinigung (DMV) 2 Commentarii Mathematici Helvetici 2 Inventiones Mathematicae 2 Mathematische Zeitschrift 2 Geometry & Topology 2 Annals of Mathematics. Second Series 1 Jahresbericht der Deutschen Mathematiker-Vereinigung (DMV) 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Acta Mathematica 1 Archiv der Mathematik 1 Canadian Journal of Mathematics 1 Journal of Differential Geometry 1 Proceedings of the American Mathematical Society 1 Transactions of the American Mathematical Society 1 Topology and its Applications 1 Journal of the American Mathematical Society 1 Elemente der Mathematik 1 Bulletin of the American Mathematical Society. New Series 1 Notices of the American Mathematical Society 1 Annales Mathématiques Blaise Pascal 1 Homology, Homotopy and Applications 1 Bulletin of the American Mathematical Society 1 Pure and Applied Mathematics Quarterly 1 Graduate Studies in Mathematics 1 Lecture Notes in Mathematics 1 Oberwolfach Seminars 1 Münster Journal of Mathematics 1 Journal of Topology and Analysis 1 Quantum Topology 1 Journal of Singularities 1 Forum of Mathematics, Sigma
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#### Fields

 60 Manifolds and cell complexes (57-XX) 16 Algebraic topology (55-XX) 7 Differential geometry (53-XX) 4 Global analysis, analysis on manifolds (58-XX) 3 History and biography (01-XX) 2 General and overarching topics; collections (00-XX) 2 Algebraic geometry (14-XX) 2 $$K$$-theory (19-XX) 2 Group theory and generalizations (20-XX) 2 Several complex variables and analytic spaces (32-XX) 1 Number theory (11-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Category theory; homological algebra (18-XX) 1 Functional analysis (46-XX) 1 Operator theory (47-XX) 1 Quantum theory (81-XX) 1 Information and communication theory, circuits (94-XX)

#### Citations contained in zbMATH

49 Publications have been cited 396 times in 279 Documents Cited by Year
Surgery and duality. Zbl 0935.57039
Kreck, Matthias
1999
On the classification of topological 4-manifolds with finite fundamental group. Zbl 0616.57009
Hambleton, Ian; Kreck, Matthias
1988
A diffeomorphism classification of 7-dimensional homogeneous Einstein manifolds with $$SU(3)\times SU(2)\times U(1)$$-symmetry. Zbl 0649.53029
Kreck, Matthias; Stolz, Stephan
1988
Some nondiffeomorphic homeomorphic homogeneous 7-manifolds with positive sectional curvature. Zbl 0733.53025
Kreck, Matthias; Stolz, Stephan
1991
Nonconnected moduli spaces of positive sectional curvature metrics. Zbl 0793.53041
Kreck, Matthias; Stolz, Stephan
1993
Cancellation, elliptic surfaces and the topology of certain four- manifolds. Zbl 0779.57015
Hambleton, Ian; Kreck, Matthias
1993
Nonorientable 4-manifolds with fundamental group of order 2. Zbl 0830.57012
Hambleton, Ian; Kreck, Matthias; Teichner, Peter
1994
Cutting and pasting of manifolds; SK-groups. Zbl 0258.57010
Karras, Ulrich; Kreck, M.; Neumann, W. D.; Ossa, E.
1973
$$\mathbf H\mathbf P^ 2$$-bundles and elliptic homology. Zbl 0851.55007
Kreck, Matthias; Stolz, Stephan
1993
The Novikov conjecture. Geometry and algebra. Zbl 1058.19001
Kreck, Matthias; Lück, Wolfgang
2005
Smooth structures on algebraic surfaces with cyclic fundamental group. Zbl 0609.57008
Hambleton, Ian; Kreck, Matthias
1988
Differential algebraic topology. From stratifolds to exotic spheres. Zbl 1420.57002
Kreck, Matthias
2010
Topological rigidity for non-aspherical manifolds. Zbl 1196.57018
Kreck, M.; Lück, W.
2009
Cancellation of hyperbolic forms and topological four-manifolds. Zbl 0779.57014
Hambleton, Ian; Kreck, Matthias
1993
A geometric description of differential cohomology. Zbl 1200.55007
Bunke, Ulrich; Kreck, Matthias; Schick, Thomas
2010
Topological 4-manifolds with geometrically two-dimensional fundamental groups. Zbl 1179.57034
Hambleton, Ian; Kreck, Matthias; Teichner, Peter
2009
A quick proof of the rational Hurewitz theorem and a computation of the rational homotopy groups of spheres. Zbl 1072.55010
Klaus, Stephan; Kreck, Matthias
2004
Stable prime decompositions of four-manifolds. Zbl 0928.57019
Kreck, Matthias; Lück, Wolfgang; Teichner, Peter
1995
Non-diffeomorphic but homeomorphic knottings of surfaces in the 4-sphere. Zbl 0659.57009
Finashin, S. M.; Kreck, M.; Viro, O. Y.
1988
Bordism of diffeomorphisms and related topics. With an appendix by Neal W. Stoltzfus. Zbl 0542.57001
Kreck, Matthias
1984
Bordism of diffeomorphisms. Zbl 0329.57014
Kreck, M.
1976
Isotopy classes of diffeomorphisms of (k-1)-connected almost- parallelizable 2k-manifolds. Zbl 0421.57009
Kreck, M.
1979
Differential forms and 0-dimensional supersymmetric field theories. Zbl 1236.19008
Hohnhold, Henning; Kreck, Matthias; Stolz, Stephan; Teichner, Peter
2011
Simply connected asymmetric manifolds. Zbl 1171.57034
Kreck, Matthias
2009
Counterexamples to the Kneser conjecture in dimension four. Zbl 0837.57016
Kreck, Matthias; Lück, Wolfgang; Teichner, Peter
1995
Cancellation of lattices and finite two-complexes. Zbl 0779.57002
Hambleton, Ian; Kreck, Matthias
1993
Homotopy self-equivalences of 4-manifolds. Zbl 1068.57018
Hambleton, Ian; Kreck, Matthias
2004
On the cut-and-paste property of higher signatures of a closed oriented manifold. Zbl 0997.57040
Leichtnam, Eric; Lück, Wolfgang; Kreck, Matthias
2002
Smooth structures on algebraic surfaces with finite fundamental group. Zbl 0717.14018
Hambleton, Ian; Kreck, Matthias
1990
Exotic knottings of surfaces in the 4-sphere. Zbl 0635.57008
Finashin, S. M.; Kreck, M.; Viro, O. Ya.
1987
An inverse to the Poincaré conjecture. Zbl 0990.57008
Kreck, Matthias
2001
Classification and stable classification of manifolds: some examples. Zbl 0551.57018
Kreck, M.; Schafer, J. A.
1984
Cobordism of odd-dimensional diffeomorphisms. Zbl 0335.57021
Kreck, M.
1976
Eine Variante für stabil parallelisierte Mannigfaltigkeiten. Zbl 0303.57010
Kreck, Matthias
1972
Homology and cohomology theories on manifolds. Zbl 1226.57035
Kreck, Matthias; Singhof, Wilhelm
2010
Involutions on 3-manifolds and self-dual, binary codes. Zbl 1160.57013
Kreck, Matthias; Puppe, Volker
2008
Free abelian covers, short loops, stable length, and systolic inequalities. Zbl 1134.53019
Kreck, Matthias; Suciu, Alexander I.
2008
$$h$$-cobordisms between 1-connected 4-manifolds. Zbl 1002.57072
Kreck, Matthias
2001
On the homeomorphism classification of smooth knotted surfaces in the 4- sphere. Zbl 0837.57024
Kreck, Matthias
1990
Manifolds with unique differentiable structure. Zbl 0547.57025
Kreck, M.
1984
Hilbert stratifolds and a Quillen type geometric description of cohomology for Hilbert manifolds. Zbl 1384.58007
Kreck, Matthias; Tene, Haggai
2018
Corrigendum: Simply connected asymmetric manifolds. Zbl 1213.57035
Kreck, Matthias
2011
On the concept of genus in topology and complex analysis. Zbl 1171.57300
Hirzebruch, Friedrich E. P.; Kreck, Matthias
2009
Positivity of topological field theories in dimension at least 5. Zbl 1151.57035
Kreck, Matthias; Teichner, Peter
2008
A guide to the classification of manifolds. Zbl 0947.57001
Kreck, Matthias
2000
Cancellation results for 2-complexes and 4-manifolds and some applications. Zbl 0811.57007
Hambleton, Ian; Kreck, Matthias
1993
Positive curvature and topology of differentiable manifolds. Zbl 0757.53001
Kreck, M.
1992
Rohlin invariants, integrality of some spectral invariants and bordism of spin diffeomorphisms. Zbl 0717.57019
Fischer, Thomas; Kreck, Matthias
1990
Cutting and pasting of involutions and fiberings over the circle within a bordism class. Zbl 0285.57022
Hermann, J.; Kreck, M.
1975
Hilbert stratifolds and a Quillen type geometric description of cohomology for Hilbert manifolds. Zbl 1384.58007
Kreck, Matthias; Tene, Haggai
2018
Differential forms and 0-dimensional supersymmetric field theories. Zbl 1236.19008
Hohnhold, Henning; Kreck, Matthias; Stolz, Stephan; Teichner, Peter
2011
Corrigendum: Simply connected asymmetric manifolds. Zbl 1213.57035
Kreck, Matthias
2011
Differential algebraic topology. From stratifolds to exotic spheres. Zbl 1420.57002
Kreck, Matthias
2010
A geometric description of differential cohomology. Zbl 1200.55007
Bunke, Ulrich; Kreck, Matthias; Schick, Thomas
2010
Homology and cohomology theories on manifolds. Zbl 1226.57035
Kreck, Matthias; Singhof, Wilhelm
2010
Topological rigidity for non-aspherical manifolds. Zbl 1196.57018
Kreck, M.; Lück, W.
2009
Topological 4-manifolds with geometrically two-dimensional fundamental groups. Zbl 1179.57034
Hambleton, Ian; Kreck, Matthias; Teichner, Peter
2009
Simply connected asymmetric manifolds. Zbl 1171.57034
Kreck, Matthias
2009
On the concept of genus in topology and complex analysis. Zbl 1171.57300
Hirzebruch, Friedrich E. P.; Kreck, Matthias
2009
Involutions on 3-manifolds and self-dual, binary codes. Zbl 1160.57013
Kreck, Matthias; Puppe, Volker
2008
Free abelian covers, short loops, stable length, and systolic inequalities. Zbl 1134.53019
Kreck, Matthias; Suciu, Alexander I.
2008
Positivity of topological field theories in dimension at least 5. Zbl 1151.57035
Kreck, Matthias; Teichner, Peter
2008
The Novikov conjecture. Geometry and algebra. Zbl 1058.19001
Kreck, Matthias; Lück, Wolfgang
2005
A quick proof of the rational Hurewitz theorem and a computation of the rational homotopy groups of spheres. Zbl 1072.55010
Klaus, Stephan; Kreck, Matthias
2004
Homotopy self-equivalences of 4-manifolds. Zbl 1068.57018
Hambleton, Ian; Kreck, Matthias
2004
On the cut-and-paste property of higher signatures of a closed oriented manifold. Zbl 0997.57040
Leichtnam, Eric; Lück, Wolfgang; Kreck, Matthias
2002
An inverse to the Poincaré conjecture. Zbl 0990.57008
Kreck, Matthias
2001
$$h$$-cobordisms between 1-connected 4-manifolds. Zbl 1002.57072
Kreck, Matthias
2001
A guide to the classification of manifolds. Zbl 0947.57001
Kreck, Matthias
2000
Surgery and duality. Zbl 0935.57039
Kreck, Matthias
1999
Stable prime decompositions of four-manifolds. Zbl 0928.57019
Kreck, Matthias; Lück, Wolfgang; Teichner, Peter
1995
Counterexamples to the Kneser conjecture in dimension four. Zbl 0837.57016
Kreck, Matthias; Lück, Wolfgang; Teichner, Peter
1995
Nonorientable 4-manifolds with fundamental group of order 2. Zbl 0830.57012
Hambleton, Ian; Kreck, Matthias; Teichner, Peter
1994
Nonconnected moduli spaces of positive sectional curvature metrics. Zbl 0793.53041
Kreck, Matthias; Stolz, Stephan
1993
Cancellation, elliptic surfaces and the topology of certain four- manifolds. Zbl 0779.57015
Hambleton, Ian; Kreck, Matthias
1993
$$\mathbf H\mathbf P^ 2$$-bundles and elliptic homology. Zbl 0851.55007
Kreck, Matthias; Stolz, Stephan
1993
Cancellation of hyperbolic forms and topological four-manifolds. Zbl 0779.57014
Hambleton, Ian; Kreck, Matthias
1993
Cancellation of lattices and finite two-complexes. Zbl 0779.57002
Hambleton, Ian; Kreck, Matthias
1993
Cancellation results for 2-complexes and 4-manifolds and some applications. Zbl 0811.57007
Hambleton, Ian; Kreck, Matthias
1993
Positive curvature and topology of differentiable manifolds. Zbl 0757.53001
Kreck, M.
1992
Some nondiffeomorphic homeomorphic homogeneous 7-manifolds with positive sectional curvature. Zbl 0733.53025
Kreck, Matthias; Stolz, Stephan
1991
Smooth structures on algebraic surfaces with finite fundamental group. Zbl 0717.14018
Hambleton, Ian; Kreck, Matthias
1990
On the homeomorphism classification of smooth knotted surfaces in the 4- sphere. Zbl 0837.57024
Kreck, Matthias
1990
Rohlin invariants, integrality of some spectral invariants and bordism of spin diffeomorphisms. Zbl 0717.57019
Fischer, Thomas; Kreck, Matthias
1990
On the classification of topological 4-manifolds with finite fundamental group. Zbl 0616.57009
Hambleton, Ian; Kreck, Matthias
1988
A diffeomorphism classification of 7-dimensional homogeneous Einstein manifolds with $$SU(3)\times SU(2)\times U(1)$$-symmetry. Zbl 0649.53029
Kreck, Matthias; Stolz, Stephan
1988
Smooth structures on algebraic surfaces with cyclic fundamental group. Zbl 0609.57008
Hambleton, Ian; Kreck, Matthias
1988
Non-diffeomorphic but homeomorphic knottings of surfaces in the 4-sphere. Zbl 0659.57009
Finashin, S. M.; Kreck, M.; Viro, O. Y.
1988
Exotic knottings of surfaces in the 4-sphere. Zbl 0635.57008
Finashin, S. M.; Kreck, M.; Viro, O. Ya.
1987
Bordism of diffeomorphisms and related topics. With an appendix by Neal W. Stoltzfus. Zbl 0542.57001
Kreck, Matthias
1984
Classification and stable classification of manifolds: some examples. Zbl 0551.57018
Kreck, M.; Schafer, J. A.
1984
Manifolds with unique differentiable structure. Zbl 0547.57025
Kreck, M.
1984
Isotopy classes of diffeomorphisms of (k-1)-connected almost- parallelizable 2k-manifolds. Zbl 0421.57009
Kreck, M.
1979
Bordism of diffeomorphisms. Zbl 0329.57014
Kreck, M.
1976
Cobordism of odd-dimensional diffeomorphisms. Zbl 0335.57021
Kreck, M.
1976
Cutting and pasting of involutions and fiberings over the circle within a bordism class. Zbl 0285.57022
Hermann, J.; Kreck, M.
1975
Cutting and pasting of manifolds; SK-groups. Zbl 0258.57010
Karras, Ulrich; Kreck, M.; Neumann, W. D.; Ossa, E.
1973
Eine Variante für stabil parallelisierte Mannigfaltigkeiten. Zbl 0303.57010
Kreck, Matthias
1972
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#### Cited by 277 Authors

 18 Kreck, Matthias 13 Hambleton, Ian 10 Crowley, Diarmuid John 7 Hillman, Jonathan Arthur 6 Botvinnik, Boris I. 6 Torres, Rafael 5 Bunke, Ulrich 5 Escher, Christine M. 5 Hegenbarth, Friedrich 5 Khan, Qayum 5 Sati, Hisham 5 Spaggiari, Fulvia 4 Cavicchioli, Alberto 4 Olbermann, Martin 4 Stolz, Stephan A. 4 Wang, Jianbo 3 Baykur, Refik İnanç 3 Dessai, Anand Naique 3 Fang, Fuquan 3 Hara, Tamio 3 Kim, Hee Jung 3 Nikonorov, Yurii Gennadyevich 3 Pamuk, Mehmetcik 3 Randal-Williams, Oscar 3 Repovš, Dušan D. 3 Ruberman, Daniel 3 Schick, Thomas 3 Skopenkov, Arkadiĭ Borisovich 3 Su, Yang 3 Tuschmann, Wilderich 3 Wraith, David J. 3 Wurzbacher, Tilmann 3 Ziller, Wolfgang 2 Alldridge, Alexander 2 Assadi, Amir H. 2 Astey, Luis 2 Bechtluft-Sachs, Stefan 2 Belegradek, Igor 2 Bonahon, Francis 2 Bowden, Jonathan Peter 2 Boyer, Charles P. 2 Chen, Binglong 2 Chen, Bo 2 Davis, Simon Brian 2 DeVito, Jason 2 Finashin, Sergey Mikhailovich 2 Freedman, Michael Hartley 2 Galatius, Søren 2 Gilkey, Peter B. 2 Goette, Sebastian 2 Grady, Daniel 2 Hausmann, Jean-Claude 2 Heithecker, Jörg 2 Hilgert, Joachim 2 Huang, Xian-Tao 2 Ishida, Masashi 2 Katz, Mikhail G. 2 Knapp, Karlheinz 2 Komiya, Katsuhiro 2 Kotschick, Dieter 2 Lee, Ronnie 2 Leichtnam, Eric 2 Lü, Zhi 2 Lück, Wolfgang 2 McTague, Carl S. 2 Micha, Evi 2 Nakamura, Nobuhiro 2 O’Shea, Seamus 2 Piazza, Paolo 2 Rosenberg, Jonathan Micah 2 Sixt, Jörg 2 Stipsicz, András I. 2 Stoffel, Augusto 2 Stong, Robert E. 2 Teichner, Peter 2 Tene, Haggai 2 Wahl, Charlotte 2 Walsh, Mark G. 2 Waner, Stefan 2 Wang, Alexandre Qiuping 2 Wang, Yuyu 2 Wilczyński, Dariusz M. 2 Wu, Yihren 2 Zhang, Weiping 2 Zheng, Hailun 1 Akhmedov, Anar 1 Apanasov, Boris Nikolaevich 1 Askitas, Nikolaos A. 1 Auckly, David R. 1 Avramidi, Grigori 1 Azzali, Sara 1 Ball, Gavin 1 Banagl, Markus 1 Bangert, Victor 1 Bär, Christian 1 Barmak, Jonathan Ariel 1 Bartels, Arthur C. 1 Baues, Hans-Joachim 1 Baum, Paul Frank 1 Bazaĭkin, Yaroslav Vladimirovich ...and 177 more Authors
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#### Cited in 88 Serials

 25 Topology and its Applications 21 Mathematische Annalen 18 Algebraic & Geometric Topology 14 Transactions of the American Mathematical Society 12 Geometry & Topology 9 Inventiones Mathematicae 9 Mathematische Zeitschrift 8 Advances in Mathematics 8 Annals of Global Analysis and Geometry 7 Geometriae Dedicata 6 Proceedings of the American Mathematical Society 6 Differential Geometry and its Applications 5 Communications in Mathematical Physics 5 Bulletin of the American Mathematical Society. New Series 4 Glasgow Mathematical Journal 4 Journal of Pure and Applied Algebra 4 Journal of the American Mathematical Society 3 Mathematical Proceedings of the Cambridge Philosophical Society 3 Annales de l’Institut Fourier 3 Duke Mathematical Journal 3 Journal of Functional Analysis 3 Journal of the London Mathematical Society. Second Series 3 Manuscripta Mathematica 3 Tokyo Journal of Mathematics 3 Geometric and Functional Analysis. GAFA 3 Journal of Knot Theory and its Ramifications 3 Journal of Topology and Analysis 3 Journal of $$K$$-Theory 2 Bulletin of the Australian Mathematical Society 2 Israel Journal of Mathematics 2 Letters in Mathematical Physics 2 Journal of Geometry and Physics 2 Compositio Mathematica 2 Kodai Mathematical Journal 2 Tohoku Mathematical Journal. Second Series 2 Forum Mathematicum 2 International Journal of Mathematics 2 The Journal of Geometric Analysis 2 Journal of Mathematical Sciences (New York) 2 Transformation Groups 2 Annals of Mathematics. Second Series 2 Journal of the European Mathematical Society (JEMS) 2 Mediterranean Journal of Mathematics 2 Frontiers of Mathematics in China 2 Journal of Topology 1 Communications on Pure and Applied Mathematics 1 Journal of Mathematical Analysis and Applications 1 Nuclear Physics. B 1 Rocky Mountain Journal of Mathematics 1 Reviews in Mathematical Physics 1 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 1 Acta Mathematica 1 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 1 Bulletin of the London Mathematical Society 1 Functional Analysis and its Applications 1 Publications Mathématiques 1 Journal of the Mathematical Society of Japan 1 Journal of Number Theory 1 Osaka Journal of Mathematics 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Proceedings of the London Mathematical Society. Third Series 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 Siberian Mathematical Journal 1 European Journal of Combinatorics 1 Chinese Annals of Mathematics. Series B 1 $$K$$-Theory 1 Elemente der Mathematik 1 L’Enseignement Mathématique. 2e Série 1 Indagationes Mathematicae. New Series 1 Experimental Mathematics 1 Russian Journal of Mathematical Physics 1 Annales Mathématiques Blaise Pascal 1 The New York Journal of Mathematics 1 Bulletin des Sciences Mathématiques 1 Séminaire Lotharingien de Combinatoire 1 Balkan Journal of Geometry and its Applications (BJGA) 1 Communications of the Korean Mathematical Society 1 Acta Mathematica Sinica. English Series 1 Journal of High Energy Physics 1 Lobachevskii Journal of Mathematics 1 Applied Sciences 1 Annales Henri Poincaré 1 Advances in Geometry 1 Journal of the Institute of Mathematics of Jussieu 1 International Journal of Geometric Methods in Modern Physics 1 Bulletin of the American Mathematical Society 1 Journal of Singularities 1 Forum of Mathematics, Sigma
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#### Cited in 27 Fields

 202 Manifolds and cell complexes (57-XX) 89 Differential geometry (53-XX) 70 Algebraic topology (55-XX) 58 Global analysis, analysis on manifolds (58-XX) 21 Algebraic geometry (14-XX) 18 $$K$$-theory (19-XX) 11 Group theory and generalizations (20-XX) 11 Quantum theory (81-XX) 10 Several complex variables and analytic spaces (32-XX) 8 Functional analysis (46-XX) 5 Dynamical systems and ergodic theory (37-XX) 5 General topology (54-XX) 4 Number theory (11-XX) 4 Geometry (51-XX) 3 History and biography (01-XX) 3 Combinatorics (05-XX) 3 Convex and discrete geometry (52-XX) 3 Relativity and gravitational theory (83-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Topological groups, Lie groups (22-XX) 1 Mathematical logic and foundations (03-XX) 1 Associative rings and algebras (16-XX) 1 Nonassociative rings and algebras (17-XX) 1 Category theory; homological algebra (18-XX) 1 Potential theory (31-XX) 1 Statistical mechanics, structure of matter (82-XX) 1 Information and communication theory, circuits (94-XX)