Edit Profile (opens in new tab) Lam, Tsit-Yuen Co-Author Distance Author ID: lam.tsit-yuen Published as: Lam, T. Y.; Lam, Tsit-Yuen; Lam, T.-Y.; Lam, Tsit-yuen; Lam, Tsit Yuen more...less Homepage: https://math.berkeley.edu/~lam/html/ External Links: MGP · Wikidata · GND · IdRef Documents Indexed: 140 Publications since 1966, including 13 Books and 1 Additional arXiv Preprint 3 Contributions as Editor · 1 Further Contribution Biographic References: 1 Publication Co-Authors: 50 Co-Authors with 100 Joint Publications 1,021 Co-Co-Authors all top 5 Co-Authors 41 single-authored 19 Khurana, Dinesh 17 Elman, Richard S. 14 Leroy, André Gérard 11 Choi, Man-Duen 9 Nielsen, Pace P. 9 Reznick, Bruce 7 Reiner, Irving 6 Wadsworth, Adrian R. 5 Swan, Richard Gordon 4 Leung, Ka Hin 3 Jain, Surender Kumar 3 Tignol, Jean-Pierre 3 Wang, Zhou 3 Zhou, Yiqiang 2 Bass, Hyman 2 Camillo, Victor P. 2 Chen, Jianlong 2 Filaseta, Michael A. 2 Leep, David B. 2 Matczuk, Jerzy 2 Nicholson, W. Keith 2 Prestel, Alexander 2 Reyes, Manuel L. 2 Shapiro, Daniel Byron 2 Smith, Tara L. 1 Alahmadi, Adel N. 1 Aleksandrov, Pavel Sergeevich 1 Arason, Jón Kristinn 1 Borisov, Alexander 1 Brewer, James W. 1 Calugareanu, Grigore Dumitru jun. 1 Danchev, Peter Vassilev 1 Dugas, Alex S. 1 Gilmer, Robert W. jun. 1 Grover, Harpreet K. 1 Gupta, Ram Niwas 1 Jacob, Bill 1 Jodeit, Max jun. 1 Khurana, Anjana 1 Kimberling, Clark H. 1 Knebusch, Manfred 1 Knus, Max-Albert 1 Kodiyalam, Vijay 1 Mac Lane, Leslie Saunders 1 Magid, Andy Roy 1 McShane, Edward James 1 Milgram, Richard James 1 Milnor, John Willard 1 Murray, Will 1 1 Ozturk, Adem 1 Reiner, T. 1 Robson, Robert O. 1 Rosenberg, Alex 1 Shomron, Noam 1 Siu, Man Keung 1 Smith, Martha K. 1 Šter, Janez 1 Taussky-Todd, Olga 1 Trifonov, Ognian 1 Van der Waerden, Bartel Leendert 1 Wigner, David all top 5 Serials 17 Journal of Algebra 6 Mathematische Zeitschrift 5 Journal of Pure and Applied Algebra 5 Journal of Algebra and its Applications 4 American Mathematical Monthly 4 Proceedings of the American Mathematical Society 4 Expositiones Mathematicae 3 Communications in Algebra 3 Mathematische Annalen 3 Transactions of the American Mathematical Society 3 Graduate Texts in Mathematics 3 Problem Books in Mathematics 2 Rocky Mountain Journal of Mathematics 2 Acta Arithmetica 2 American Journal of Mathematics 2 Commentarii Mathematici Helvetici 2 Inventiones Mathematicae 2 Journal für die Reine und Angewandte Mathematik 2 The Quarterly Journal of Mathematics. Oxford Second Series 2 L’Enseignement Mathématique. 2e Série 2 Notices of the American Mathematical Society 2 Algebras and Representation Theory 2 Bulletin of the American Mathematical Society 2 Contemporary Mathematics 2 Mathematics Lecture Note Series 1 Israel Journal of Mathematics 1 Linear and Multilinear Algebra 1 Mathematics Magazine 1 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 1 Archiv der Mathematik 1 Canadian Mathematical Bulletin 1 Illinois Journal of Mathematics 1 Indagationes Mathematicae 1 Publications Mathématiques 1 Journal of Number Theory 1 Publicationes Mathematicae Debrecen 1 Discrete & Computational Geometry 1 International Journal of Algebra and Computation 1 Linear Algebra and its Applications 1 Proceedings of the National Academy of Sciences of the United States of America 1 Bulletin of the American Mathematical Society. New Series 1 Bulletin de la Société Mathématique de Belgique. Série A 1 Bulletin of the Belgian Mathematical Society - Simon Stevin 1 Finite Fields and their Applications 1 The Bulletin of the Hong Kong Mathematical Society 1 Graduate Studies in Mathematics 1 Lecture Notes in Mathematics 1 Monographies de l’Enseignement Mathématique 1 Pure and Applied Mathematics, Marcel Dekker 1 Regional Conference Series in Mathematics 1 Springer Monographs in Mathematics all top 5 Fields 60 Associative rings and algebras (16-XX) 49 Number theory (11-XX) 34 Linear and multilinear algebra; matrix theory (15-XX) 32 Field theory and polynomials (12-XX) 18 Commutative algebra (13-XX) 13 Group theory and generalizations (20-XX) 11 Algebraic geometry (14-XX) 8 \(K\)-theory (19-XX) 6 History and biography (01-XX) 6 Category theory; homological algebra (18-XX) 5 General and overarching topics; collections (00-XX) 3 Algebraic topology (55-XX) 2 Nonassociative rings and algebras (17-XX) 1 Combinatorics (05-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Topological groups, Lie groups (22-XX) 1 Special functions (33-XX) 1 Operator theory (47-XX) 1 Convex and discrete geometry (52-XX) 1 General topology (54-XX) 1 Mathematics education (97-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 128 Publications have been cited 5,025 times in 3,863 Documents Cited by ▼ Year ▼ Lectures on modules and rings. Zbl 0911.16001 Lam, T. Y. 807 1999 A first course in noncommutative rings. Zbl 0728.16001 Lam, T. Y. 491 1991 A first course in noncommutative rings. 2nd ed. Zbl 0980.16001 Lam, T. Y. 487 2001 The algebraic theory of quadratic forms. Zbl 0259.10019 Lam, T. Y. 390 1973 Introduction to quadratic forms over fields. Zbl 1068.11023 Lam, T. Y. 325 2005 Serre’s conjecture. Zbl 0373.13004 Lam, T. Y. 165 1978 Serre’s problem on projective modules. Zbl 1101.13001 Lam, T. Y. 102 2005 Orderings, valuations and quadratic forms. Zbl 0516.12001 Lam, T. Y. 91 1983 On vanishing sums of roots of unity. Zbl 1099.11510 Lam, T. Y.; Leung, K. H. 88 2000 Sums of squares of real polynomials. Zbl 0821.11028 Choi, M. D.; Lam, T. Y.; Reznick, B. 78 1995 Pfister forms and \(K\)-theory of fields. Zbl 0246.15029 Elman, Richard; Lam, T. Y. 69 1972 Exercises in classical ring theory. 2nd ed. Zbl 1031.16001 Lam, T. Y. 68 2003 Continuous modules are clean. Zbl 1114.16023 Camillo, V. P.; Khurana, D.; Lam, T. Y.; Nicholson, W. K.; Zhou, Y. 63 2006 Extremal positive semidefinite forms. Zbl 0347.15009 Choi, Man-Duen; Lam, Tsit-Yuen 63 1977 Quadratic forms over formally real fields and Pythagorean fields. Zbl 0259.12101 Elman, Richard; Lam, T. Y. 62 1972 Vandermonde and Wronskian matrices over division rings. Zbl 0657.15015 Lam, T. Y.; Leroy, A. 59 1988 An introduction to real algebra. Zbl 0577.14016 Lam, T. Y. 54 1984 A crash course on stable range, cancellation, substitution and exchange. Zbl 1072.16013 Lam, T. Y. 52 2004 The algebraic theory of quadratic forms. 2nd printing, with revisions. Zbl 0437.10006 Lam, T. Y. 52 1980 Primeness, semiprimeness and prime radical of Ore extensions. Zbl 0879.16016 Lam, T. Y.; Leroy, A.; Matczuk, J. 50 1997 On some Hasse principles over formally real fields. Zbl 0277.15013 Elman, Richard; Lam, Tsit-Yuen; Prestel, Alexander 48 1973 Induction theorems for Grothendieck groups and Whitehead groups of finite groups. Zbl 0164.02703 Lam, Tsit-Yuen 43 1968 Even symmetric sextics. Zbl 0654.10024 Choi, M. D.; Lam, T. Y.; Reznick, Bruce 42 1987 Rings with internal cancellation. Zbl 1076.16004 Khurana, Dinesh; Lam, T. Y. 41 2005 The Pythagoras number of some affine algebras and local algebras. Zbl 0499.12018 Choi, M. D.; Dai, Z. D.; Lam, T. Y.; Reznick, B. 40 1982 Quadratic forms under algebraic extensions. Zbl 0302.10025 Elman, Richard; Lam, T. Y. 39 1976 Rings with unipotent units. Zbl 1374.16089 Danchev, Peter Vassilev; Lam, Tsit-Yuen 39 2016 A general theory of Vandermonde matrices. Zbl 0598.15015 Lam, T. Y. 38 1986 Quasi-duo rings and stable range descent. Zbl 1071.16003 Lam, T. Y.; Dugas, Alex S. 36 2005 Clean matrices and unit-regular matrices. Zbl 1067.16050 Khurana, Dinesh; Lam, T. Y. 34 2004 Exercises in modules and rings. Zbl 1121.16001 Lam, T. Y. 33 2007 On the cyclotomic polynomial \(\Phi_{pq}(X)\). Zbl 0868.11016 Lam, T. Y.; Leung, K. H. 31 1996 Real zeros for positive semidefinite forms. I. Zbl 0415.10018 Choi, Man-Duen; Lam, Tsit-Yuen; Reznick, Bruce 30 1980 Modules with isomorphic multiples and rings with isomorphic matrix rings. A survey. Zbl 0962.16002 Lam, Tsit-Yuen 29 1999 Biquaternion algebras and quartic extensions. Zbl 0801.11048 Lam, Tsit Yuen; Leep, David B.; Tignol, Jean-Pierre 29 1993 Witt rings and Brauer groups under multiquadratic extensions. I. Zbl 0492.10014 Elman, Richard; Lam, T. Y.; Tignol, J.-P.; Wadsworth, Adrian R. 28 1983 On the irreducibility of the generalized Laguerre polynomials. Zbl 1010.12001 Filaseta, M.; Lam, T.-Y. 28 2002 Artin exponent of finite groups. Zbl 0277.20006 Lam, Tsit-Yuen 28 1968 Quadratic forms and the u-invariant. I. Zbl 0244.10020 Elman, Richard; Lam, Tsit-Yuen 27 1973 Quadratic forms and the u-invariant. Zbl 0267.10029 Elman, Richard; Lam, T. Y. 27 1973 Classification theorems for quadratic forms over fields. Zbl 0297.15024 Elman, Richard; Lam, T. Y. 25 1974 Wedderburn polynomials over division rings. I. Zbl 1047.16010 Lam, T. Y.; Leroy, André 24 2004 Orderings under field extensions. Zbl 0398.12019 Elman, R.; Lam, T. Y.; Wadsworth, A. R. 24 1979 Fine rings: a new class of simple rings. Zbl 1397.16036 Călugăreanu, G.; Lam, T. Y. 21 2016 Multiplicative maps of matrix semi-groups. Zbl 0176.29502 Jodeit, M. jun.; Lam, T. Y. 20 1969 Algebraic conjugacy classes and skew polynomial rings. Zbl 0694.16002 Lam, T. Y.; Leroy, André 20 1988 Jacobson’s Lemma for Drazin inverses. Zbl 1294.15005 Lam, T. Y.; Nielsen, Pace P. 19 2014 The theory of ordered fields. Zbl 0442.12024 Lam, T. Y. 18 1980 Wedderburn polynomials over division rings. II. Zbl 1173.16011 Lam, T. Y.; Leroy, A.; Ozturk, A. 18 2008 Young diagrams, Schur functions, the Gale-Ryser theorem and a conjecture or Snapper. Zbl 0373.05009 Lam, T. Y. 17 1977 Hilbert 90 theorems over division rings. Zbl 0820.16024 Lam, T. Y.; Leroy, A. 17 1994 Exercises in classical ring theory. Zbl 0823.16001 Lam, T. Y. 16 1994 An old question of Hilbert. Zbl 0382.12010 Choi, Man-Duen; Lam, Tsit-Yuen 15 1977 Sums of squares in some integral domains. Zbl 0433.10010 Choi, M. D.; Lam, T. Y.; Reznick, B.; Rosenberg, Alex 15 1980 Euclidean pairs and quasi-Euclidean rings. Zbl 1318.16036 Alahmadi, Adel; Jain, S. K.; Lam, T. Y.; Leroy, A. 15 2014 A prime ideal principle in commutative algebra. Zbl 1168.13002 Lam, T. Y.; Reyes, Manuel L. 14 2008 Rings of square stable range one. Zbl 1237.19004 Khurana, Dinesh; Lam, T. Y.; Wang, Zhou 14 2011 A theorem of Burnside on matrix rings. Zbl 0913.15011 Lam, T. Y. 14 1998 Quadratic forms under multiquadratic extensions. Zbl 0425.10021 Elman, Richard; Lam, T. Y.; Wadsworth, Adrian R. 14 1980 Discriminants of involutions on biquaternion algebras. Zbl 0828.11023 Knus, M.-A.; Lam, T. Y.; Shapiro, D. B.; Tignol, J.-P. 13 1995 \(K_0\) and \(K_1\) - an introduction to algebraic \(K\)-theory. Zbl 0323.18006 Lam, T. Y.; Siu, M. K. 13 1975 Rings of idempotent stable range one. Zbl 1255.16013 Wang, Zhou; Chen, Jianlong; Khurana, Dinesh; Lam, Tsit-Yuen 13 2012 Levels in algebra and topology. Zbl 0546.10017 Dai, Z. D.; Lam, T. Y. 12 1984 On the linkage of quaternion algebras. Zbl 1044.16012 Lam, T. Y. 11 2002 Relative Grothendieck groups. Zbl 0185.06901 Lam, T. Y.; Reiner, Irving 11 1969 Series summation of stably free modules. Zbl 0316.16025 Lam, T. Y. 11 1976 Function fields of Pfister forms. Zbl 0395.10028 Elman, R.; Lam, T. Y.; Wadsworth, A. R. 11 1979 An ensemble of idempotent lifting hypotheses. Zbl 1416.16011 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 11 2018 Unit regular elements in corner rings. Zbl 0923.16010 Lam, T. Y.; Murray, Will 10 1997 Exchange elements in rings, and the equation \(XA-BX=I\). Zbl 1396.16033 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 10 2017 Emmy Noether. A tribute to her life and work. Zbl 0543.01009 9 1981 Representations of finite groups: A hundred years. I, II. Zbl 0924.01008 Lam, T. Y. 9 1998 On the quaternion symbol homomorphism \(g_F: k_2F \rightarrow B(F)\). Zbl 0267.10030 Elman, Richard; Lam, T. Y. 9 1973 Homomorphisms between Ore extensions. Zbl 0746.16023 Lam, T. Y.; Leroy, A. 9 1992 Levels in algebra and topology. Zbl 0435.10016 Dai, Z. D.; Lam, T. Y.; Peng, C. K. 9 1980 Uniquely clean elements in rings. Zbl 1335.16025 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Zhou, Yiqiang 9 2015 Corner ring theory: a generalization of Peirce decompositions. I. Zbl 1121.16011 Lam, T. Y. 8 2006 Amenable fields and Pfister extensions. Appendix I: Excellent subrings of Witt rings. Appendix II: Excellence of \(F(\varphi)/F\) for 2-fold Pfister forms (by Jon Kr. Arason). Zbl 0385.12010 Elman, Richard; Lam, T.-Y.; Wadsworth, Adrian R. 8 1977 Ten lectures on quadratic forms over fields. Zbl 0396.10008 Lam, T. Y. 8 1977 Pfister ideals in Witt rings. Zbl 0401.10032 Elman, R.; Lam, T. Y.; Wadsworth, A. R. 8 1979 Special clean elements in rings. Zbl 1460.16043 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Šter, Janez 8 2020 Invariant and semi-invariant polynomials in skew polynomial rings. Zbl 0685.16006 Lam, T. Y.; Leung, K. H.; Leroy, A.; Matczuk, J. 7 1989 Reduction theorems for relative Grothendieck rings. Zbl 0185.06802 Lam, T. Y.; Reiner, Irving 7 1969 Hamilton’s quaternions. Zbl 1076.16015 Lam, T. Y. 7 2003 Sums of \(2m\)-th powers of rational functions in one variable over real closed fields. Zbl 0859.12002 Choi, M. D.; Lam, T. Y.; Prestel, A.; Reznick, B. 6 1996 Principal one-sided ideals in Ore polynomial rings. Zbl 0967.16015 Lam, T. Y.; Leroy, André 6 2000 Finite groups embeddable in division rings. Zbl 1002.12003 Lam, T. Y. 6 2001 Lattice polytopes with distinct pair-sums. Zbl 1002.52013 Choi, M. D.; Lam, T. Y.; Reznick, B. 6 2002 Restriction maps on relative Grothendieck rings. Zbl 0187.29801 Lam, T. Y.; Reiner, Irving 6 1970 Inner inverses and inner annihilators in rings. Zbl 1327.16023 Lam, T. Y.; Nielsen, Pace P. 6 2014 Determinantal ideals, Pfaffian ideals, and the principal minor theorem. Zbl 1147.15300 Kodiyalam, Vijay; Lam, T. Y.; Swan, R. G. 6 2008 Generalized commutators in matrix rings. Zbl 1255.15015 Khurana, Dinesh; Lam, T. Y. 6 2012 Sums of units in rings. Zbl 1295.16024 Grover, Harpreet K.; Wang, Zhou; Khurana, Dinesh; Chen, Jianlong; Lam, T. Y. 6 2014 Rings over which the transpose of every invertible matrix is invertible. Zbl 1182.16033 Gupta, R. N.; Khurana, Anjana; Khurana, Dinesh; Lam, T. Y. 5 2009 Relative Grothendieck rings. Zbl 0177.04503 Lam, T. Y.; Reiner, Irving 5 1969 Finite generation of Grothendieck rings relative to cyclic subgroups. Zbl 0186.04602 Lam, T. Y.; Reiner, Irving 5 1969 On Yuzvinsky’s monomial pairings. Zbl 0802.11013 Lam, T. Y.; Smith, Tara L. 5 1993 Fields of \(u\)-invariant 6 after A. Merkurjev. Zbl 0683.10018 Lam, T. Y. 4 1989 Determination of \(k_ n (n \geq 3)\) for global fields. Zbl 0207.34901 Elman, R.; Lam, T. Y. 4 1972 Pfister forms and K-theory of fields. Zbl 0226.15009 Elman, Richard; Lam, T. Y. 4 1971 An introduction to \(q\)-central idempotents and \(q\)-abelian rings. Zbl 07664311 Lam, T. Y. 1 2023 Special clean elements in rings. Zbl 1460.16043 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Šter, Janez 8 2020 Jacobson pairs and Bott-Duffin decompositions in rings. Zbl 1429.16008 Lam, T. Y.; Nielsen, Pace P. 1 2019 An ensemble of idempotent lifting hypotheses. Zbl 1416.16011 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 11 2018 Exchange elements in rings, and the equation \(XA-BX=I\). Zbl 1396.16033 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 10 2017 Rings with unipotent units. Zbl 1374.16089 Danchev, Peter Vassilev; Lam, Tsit-Yuen 39 2016 Fine rings: a new class of simple rings. Zbl 1397.16036 Călugăreanu, G.; Lam, T. Y. 21 2016 Exchange rings, exchange equations, and lifting properties. Zbl 1372.16042 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 3 2016 Uniquely clean elements in rings. Zbl 1335.16025 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Zhou, Yiqiang 9 2015 Two-sided properties of elements in exchange rings. Zbl 1337.16007 Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 4 2015 Jacobson’s Lemma for Drazin inverses. Zbl 1294.15005 Lam, T. Y.; Nielsen, Pace P. 19 2014 Euclidean pairs and quasi-Euclidean rings. Zbl 1318.16036 Alahmadi, Adel; Jain, S. K.; Lam, T. Y.; Leroy, A. 15 2014 Inner inverses and inner annihilators in rings. Zbl 1327.16023 Lam, T. Y.; Nielsen, Pace P. 6 2014 Sums of units in rings. Zbl 1295.16024 Grover, Harpreet K.; Wang, Zhou; Khurana, Dinesh; Chen, Jianlong; Lam, T. Y. 6 2014 Rings of idempotent stable range one. Zbl 1255.16013 Wang, Zhou; Chen, Jianlong; Khurana, Dinesh; Lam, Tsit-Yuen 13 2012 Generalized commutators in matrix rings. Zbl 1255.15015 Khurana, Dinesh; Lam, T. Y. 6 2012 A short proof that continuous modules are clean. Zbl 1300.16031 Camillo, V. P.; Khurana, D.; Lam, T. Y.; Nicholson, W. K.; Zhou, Y. 3 2012 A quantum-trace determinantal formula for matrix commutators, and applications. Zbl 1236.15018 Khurana, Dinesh; Lam, T. Y.; Shomron, Noam 2 2012 Rings of square stable range one. Zbl 1237.19004 Khurana, Dinesh; Lam, T. Y.; Wang, Zhou 14 2011 Invertible commutators in matrix rings. Zbl 1216.15010 Khurana, Dinesh; Lam, T. Y. 3 2011 Collected papers of John Milnor. V: Algebra. Edited by Hyman Bass and T. Y. Lam. Zbl 1208.01050 Milnor, John 4 2010 Symplectic modules and von Neumann regular matrices over commutative rings. Zbl 1193.15015 Lam, T. Y.; Swan, R. G. 3 2010 Rings over which the transpose of every invertible matrix is invertible. Zbl 1182.16033 Gupta, R. N.; Khurana, Anjana; Khurana, Dinesh; Lam, T. Y. 5 2009 Ore extensions and \(V\)-domains. Zbl 1182.16020 Jain, S. K.; Lam, T. Y.; Leroy, A. 4 2009 Oka and Ako ideal families in commutative rings. Zbl 1182.13003 Lam, T. Y.; Reyes, Manuel L. 2 2009 Wedderburn polynomials over division rings. II. Zbl 1173.16011 Lam, T. Y.; Leroy, A.; Ozturk, A. 18 2008 A prime ideal principle in commutative algebra. Zbl 1168.13002 Lam, T. Y.; Reyes, Manuel L. 14 2008 Determinantal ideals, Pfaffian ideals, and the principal minor theorem. Zbl 1147.15300 Kodiyalam, Vijay; Lam, T. Y.; Swan, R. G. 6 2008 Exercises in modules and rings. Zbl 1121.16001 Lam, T. Y. 33 2007 Continuous modules are clean. Zbl 1114.16023 Camillo, V. P.; Khurana, D.; Lam, T. Y.; Nicholson, W. K.; Zhou, Y. 63 2006 Corner ring theory: a generalization of Peirce decompositions. I. Zbl 1121.16011 Lam, T. Y. 8 2006 Introduction to quadratic forms over fields. Zbl 1068.11023 Lam, T. Y. 325 2005 Serre’s problem on projective modules. Zbl 1101.13001 Lam, T. Y. 102 2005 Rings with internal cancellation. Zbl 1076.16004 Khurana, Dinesh; Lam, T. Y. 41 2005 Quasi-duo rings and stable range descent. Zbl 1071.16003 Lam, T. Y.; Dugas, Alex S. 36 2005 A crash course on stable range, cancellation, substitution and exchange. Zbl 1072.16013 Lam, T. Y. 52 2004 Clean matrices and unit-regular matrices. Zbl 1067.16050 Khurana, Dinesh; Lam, T. Y. 34 2004 Wedderburn polynomials over division rings. I. Zbl 1047.16010 Lam, T. Y.; Leroy, André 24 2004 On subgroups of prime index. Zbl 1086.20015 Lam, T. Y. 3 2004 Exercises in classical ring theory. 2nd ed. Zbl 1031.16001 Lam, T. Y. 68 2003 Hamilton’s quaternions. Zbl 1076.16015 Lam, T. Y. 7 2003 On the irreducibility of the generalized Laguerre polynomials. Zbl 1010.12001 Filaseta, M.; Lam, T.-Y. 28 2002 On the linkage of quaternion algebras. Zbl 1044.16012 Lam, T. Y. 11 2002 Lattice polytopes with distinct pair-sums. Zbl 1002.52013 Choi, M. D.; Lam, T. Y.; Reznick, B. 6 2002 A first course in noncommutative rings. 2nd ed. Zbl 0980.16001 Lam, T. Y. 487 2001 Finite groups embeddable in division rings. Zbl 1002.12003 Lam, T. Y. 6 2001 On vanishing sums of roots of unity. Zbl 1099.11510 Lam, T. Y.; Leung, K. H. 88 2000 Principal one-sided ideals in Ore polynomial rings. Zbl 0967.16015 Lam, T. Y.; Leroy, André 6 2000 On the equality row rank and column rank. Zbl 0955.15001 Lam, T. Y. 1 2000 Lectures on modules and rings. Zbl 0911.16001 Lam, T. Y. 807 1999 Modules with isomorphic multiples and rings with isomorphic matrix rings. A survey. Zbl 0962.16002 Lam, Tsit-Yuen 29 1999 Classes of polynomials having only one non-cyclotomic irreducible factor. Zbl 0935.11039 Borisov, A.; Filaseta, M.; Lam, T. Y.; Trifonov, O. 1 1999 A theorem of Burnside on matrix rings. Zbl 0913.15011 Lam, T. Y. 14 1998 Representations of finite groups: A hundred years. I, II. Zbl 0924.01008 Lam, T. Y. 9 1998 On uniform dimensions of ideals in right nonsingular rings. Zbl 0931.16001 Jain, S. K.; Lam, T. Y.; Leroy, André 2 1998 Primeness, semiprimeness and prime radical of Ore extensions. Zbl 0879.16016 Lam, T. Y.; Leroy, A.; Matczuk, J. 50 1997 Unit regular elements in corner rings. Zbl 0923.16010 Lam, T. Y.; Murray, Will 10 1997 On the cyclotomic polynomial \(\Phi_{pq}(X)\). Zbl 0868.11016 Lam, T. Y.; Leung, K. H. 31 1996 Sums of \(2m\)-th powers of rational functions in one variable over real closed fields. Zbl 0859.12002 Choi, M. D.; Lam, T. Y.; Prestel, A.; Reznick, B. 6 1996 Recognition and computations of matrix rings. Zbl 0883.16020 Lam, T. Y.; Leroy, André 4 1996 Vanishing sums of \(m\)th roots of unity in finite fields. Zbl 0916.11018 Lam, T. Y.; Leung, K. H. 1 1996 Sums of squares of real polynomials. Zbl 0821.11028 Choi, M. D.; Lam, T. Y.; Reznick, B. 78 1995 Discriminants of involutions on biquaternion algebras. Zbl 0828.11023 Knus, M.-A.; Lam, T. Y.; Shapiro, D. B.; Tignol, J.-P. 13 1995 A lifting theorem, and rings with isomorphic matrix rings. Zbl 0902.16026 Lam, T. Y. 3 1995 Hilbert 90 theorems over division rings. Zbl 0820.16024 Lam, T. Y.; Leroy, A. 17 1994 Exercises in classical ring theory. Zbl 0823.16001 Lam, T. Y. 16 1994 Biquaternion algebras and quartic extensions. Zbl 0801.11048 Lam, Tsit Yuen; Leep, David B.; Tignol, Jean-Pierre 29 1993 On Yuzvinsky’s monomial pairings. Zbl 0802.11013 Lam, T. Y.; Smith, Tara L. 5 1993 Combinatorial structure on the automorphism group of \(S_ 6\). Zbl 0819.20004 Lam, T. Y.; Leep, David B. 4 1993 Homomorphisms between Ore extensions. Zbl 0746.16023 Lam, T. Y.; Leroy, A. 9 1992 A first course in noncommutative rings. Zbl 0728.16001 Lam, T. Y. 491 1991 Positive sextics and Schur’s inequalities. Zbl 0784.11013 Choi, M. D.; Lam, T. Y.; Reznick, B. 2 1991 Invariant and semi-invariant polynomials in skew polynomial rings. Zbl 0685.16006 Lam, T. Y.; Leung, K. H.; Leroy, A.; Matczuk, J. 7 1989 Fields of \(u\)-invariant 6 after A. Merkurjev. Zbl 0683.10018 Lam, T. Y. 4 1989 On the Clifford-Littlewood-Eckmann groups: A new look at periodicity mod 8. Zbl 0726.11025 Lam, T. Y.; Smith, Tara 4 1989 Vandermonde and Wronskian matrices over division rings. Zbl 0657.15015 Lam, T. Y.; Leroy, A. 59 1988 Algebraic conjugacy classes and skew polynomial rings. Zbl 0694.16002 Lam, T. Y.; Leroy, André 20 1988 On the number of solutions of \(x^{p^ k}=a\) in a p-group. Zbl 0632.20014 Lam, T. Y. 2 1988 Vandermonde and Wronskian matrices over division rings. Zbl 0659.15013 Lam, T. Y.; Leroy, A. 1 1988 Even symmetric sextics. Zbl 0654.10024 Choi, M. D.; Lam, T. Y.; Reznick, Bruce 42 1987 A general theory of Vandermonde matrices. Zbl 0598.15015 Lam, T. Y. 38 1986 An introduction to real algebra. Zbl 0577.14016 Lam, T. Y. 54 1984 Levels in algebra and topology. Zbl 0546.10017 Dai, Z. D.; Lam, T. Y. 12 1984 Orderings, valuations and quadratic forms. Zbl 0516.12001 Lam, T. Y. 91 1983 Witt rings and Brauer groups under multiquadratic extensions. I. Zbl 0492.10014 Elman, Richard; Lam, T. Y.; Tignol, J.-P.; Wadsworth, Adrian R. 28 1983 The Pythagoras number of some affine algebras and local algebras. Zbl 0499.12018 Choi, M. D.; Dai, Z. D.; Lam, T. Y.; Reznick, B. 40 1982 The square class invariant for pythagorean fields. Zbl 0493.10024 Shapiro, Daniel B.; Lam, T.-Y. 1 1982 Emmy Noether. A tribute to her life and work. Zbl 0543.01009 9 1981 The algebraic theory of quadratic forms. 2nd printing, with revisions. Zbl 0437.10006 Lam, T. Y. 52 1980 Real zeros for positive semidefinite forms. I. Zbl 0415.10018 Choi, Man-Duen; Lam, Tsit-Yuen; Reznick, Bruce 30 1980 The theory of ordered fields. Zbl 0442.12024 Lam, T. Y. 18 1980 Sums of squares in some integral domains. Zbl 0433.10010 Choi, M. D.; Lam, T. Y.; Reznick, B.; Rosenberg, Alex 15 1980 Quadratic forms under multiquadratic extensions. Zbl 0425.10021 Elman, Richard; Lam, T. Y.; Wadsworth, Adrian R. 14 1980 Levels in algebra and topology. Zbl 0435.10016 Dai, Z. D.; Lam, T. Y.; Peng, C. K. 9 1980 Orderings under field extensions. Zbl 0398.12019 Elman, R.; Lam, T. Y.; Wadsworth, A. R. 24 1979 Function fields of Pfister forms. Zbl 0395.10028 Elman, R.; Lam, T. Y.; Wadsworth, A. R. 11 1979 Pfister ideals in Witt rings. Zbl 0401.10032 Elman, R.; Lam, T. Y.; Wadsworth, A. R. 8 1979 Serre’s conjecture. Zbl 0373.13004 Lam, T. Y. 165 1978 Extremal positive semidefinite forms. Zbl 0347.15009 Choi, Man-Duen; Lam, Tsit-Yuen 63 1977 Young diagrams, Schur functions, the Gale-Ryser theorem and a conjecture or Snapper. Zbl 0373.05009 Lam, T. Y. 17 1977 ...and 28 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 3,399 Authors 53 Lam, Tsit-Yuen 42 Zhou, Yiqiang 37 Danchev, Peter Vassilev 33 Nielsen, Pace P. 32 Chen, Huanyin 31 Khurana, Dinesh 30 Leroy, André Gérard 29 Mao, Lixin 28 Moussavi, Ahmad 26 Sivatski, Alexander S. 25 Birkenmeier, Gary Francis 25 Tignol, Jean-Pierre 22 Hashemi, Ebrahim 22 Parimala, Raman 22 Paykan, Kamal 21 Becher, Karim Johannes 21 Koşan, Muhammet Tamer 21 Leep, David B. 21 Mai Hoang Bien 20 Alhevaz, Abdollah 20 Mináč, Ján 19 Chapman, Adam 19 Rizvi, Syed Tariq 18 Jain, Surender Kumar 18 Yousif, Mohamed F. 17 Behboodi, Mahmood 17 Craven, Thomas C. 17 Elman, Richard S. 17 Facchini, Alberto 17 Hazrat, Roozbeh 17 Lee, Yang 17 Marshall, Murray Angus 16 Chen, Jianlong 16 Tribak, Rachid 16 Zeng, Guangxing 15 Bui Xuan Hai 15 Matczuk, Jerzy 15 Pumplün, Susanne 15 Rangaswamy, Kulumani M. 15 Rao, Ravi A. 15 Scheiderer, Claus 15 Srivastava, Ashish Kumar 15 Tercan, Adnan 15 Wadsworth, Adrian R. 14 Akbari, Saieed 14 Colliot-Thélène, Jean-Louis 14 Ibrahim, Yasser F. 14 Kim, Nam Kyun 14 Klep, Igor 14 Lewis, David W. 14 Mazurek, Ryszard 14 Siles Molina, Mercedes 14 Vaš, Lia 14 Ziembowski, Michał 13 Ding, Nanqing 13 Hoffmann, Detlev W. 13 Park, Jae Keol 13 Quynh, Truong Cong 13 Tuganbaev, Askar Akanovich 13 Ware, Roger 12 Calugareanu, Grigore Dumitru jun. 12 Koprowski, Przemysław 12 Shapiro, Daniel Byron 11 Abyzov, Adel Nailevich 11 Arason, Jón Kristinn 11 Bolotnikov, Vladimir 11 Büyükasik, Engin 11 Jacob, Bill 11 Laghribi, Ahmed 11 Leung, Ka Hin 11 López-Permouth, Sergio Roberto 11 Nam, Tran Giang 11 Nashier, Budh Singh 11 Reyes, Manuel L. 11 Sabadini, Irene 11 Sheibani Abdolyousefi, Marjan 11 Werner, Nicholas J. 10 Alahmadi, Adel N. 10 Chaturvedi, Avanish Kumar 10 Diesl, Alexander J. 10 Fitzgerald, Robert W. 10 Hong, Chan Yong 10 Huynh, Dinh Van 10 Lee, Tsiu-Kwen 10 Lim, Meng Fai 10 Mahdavi-Hezavehi, M. 10 Mary, Xavier 10 Moradzadeh-Dehkordi, Ali 10 Nicholson, W. Keith 10 Quéguiner-Mathieu, Anne 10 Reznick, Bruce 10 Unger, Thomas P. 9 Chernousov, Vladimir I. 9 Colombo, Fabrizio 9 Crivei, Septimiu 9 Durğun, Yılmaz 9 Elduque, Alberto 9 Fernando, José F. 9 Gentili, Graziano 9 Habibi, Mohammad Hassan ...and 3,299 more Authors all top 5 Cited in 437 Serials 530 Journal of Algebra 364 Communications in Algebra 253 Journal of Pure and Applied Algebra 205 Journal of Algebra and its Applications 119 Linear Algebra and its Applications 82 Transactions of the American Mathematical Society 81 Proceedings of the American Mathematical Society 74 Mathematische Zeitschrift 58 Advances in Mathematics 50 Israel Journal of Mathematics 44 Algebras and Representation Theory 41 Manuscripta Mathematica 40 Archiv der Mathematik 40 Journal of Number Theory 39 Mathematische Annalen 32 Linear and Multilinear Algebra 31 Inventiones Mathematicae 25 Rocky Mountain Journal of Mathematics 25 Journal of Symbolic Computation 24 Designs, Codes and Cryptography 22 Indagationes Mathematicae. New Series 21 Glasgow Mathematical Journal 21 Journal of Mathematical Sciences (New York) 21 Asian-European Journal of Mathematics 19 Compositio Mathematica 18 Bulletin of the Australian Mathematical Society 18 Bulletin of the Korean Mathematical Society 18 Advances in Applied Clifford Algebras 17 Finite Fields and their Applications 16 Mediterranean Journal of Mathematics 14 Expositiones Mathematicae 14 Filomat 14 International Electronic Journal of Algebra (IEJA) 13 Czechoslovak Mathematical Journal 13 Duke Mathematical Journal 13 Results in Mathematics 13 Systems & Control Letters 13 Forum Mathematicum 13 Turkish Journal of Mathematics 13 Hacettepe Journal of Mathematics and Statistics 12 Discrete Mathematics 12 Comptes Rendus. Mathématique. Académie des Sciences, Paris 11 Journal of Soviet Mathematics 11 Topology and its Applications 11 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 10 American Mathematical Monthly 10 Ukrainian Mathematical Journal 10 Annales de l’Institut Fourier 10 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 10 Journal für die Reine und Angewandte Mathematik 10 Quaestiones Mathematicae 10 Acta Mathematica Hungarica 10 Bulletin of the Iranian Mathematical Society 10 Journal de Théorie des Nombres de Bordeaux 10 Documenta Mathematica 10 International Journal of Number Theory 9 Journal of Combinatorial Theory. Series A 9 Journal of Functional Analysis 9 Journal of the American Mathematical Society 9 International Journal of Algebra and Computation 9 Open Systems & Information Dynamics 9 Communications of the Korean Mathematical Society 9 Algebraic & Geometric Topology 8 Journal of Mathematical Analysis and Applications 8 Mathematische Nachrichten 8 Rendiconti del Seminario Matematico della Università di Padova 8 \(K\)-Theory 8 Applied Categorical Structures 8 Algebra Colloquium 8 JP Journal of Algebra, Number Theory and Applications 8 Frontiers of Mathematics in China 8 Journal of \(K\)-Theory 8 Journal of Commutative Algebra 8 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 8 Palestine Journal of Mathematics 8 Journal of Algebra and Related Topics 7 Journal of Mathematical Physics 7 Mathematical Notes 7 Journal of the Korean Mathematical Society 7 Kyungpook Mathematical Journal 7 Memoirs of the American Mathematical Society 7 Proceedings of the Edinburgh Mathematical Society. Series II 7 Semigroup Forum 7 The Journal of Geometric Analysis 7 Aequationes Mathematicae 7 Forum of Mathematics, Sigma 7 Journal of Algebraic Systems 6 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 6 Acta Arithmetica 6 Acta Mathematica Vietnamica 6 Annali di Matematica Pura ed Applicata. Serie Quarta 6 Bulletin of the London Mathematical Society 6 Bulletin de la Société Mathématique de France 6 Publications Mathématiques 6 International Journal of Mathematics and Mathematical Sciences 6 Journal of Geometry 6 Le Matematiche 6 Rendiconti del Circolo Matemàtico di Palermo. Serie II 6 Siberian Mathematical Journal 6 Theoretical Computer Science ...and 337 more Serials all top 5 Cited in 58 Fields 1,828 Associative rings and algebras (16-XX) 870 Number theory (11-XX) 643 Commutative algebra (13-XX) 485 Group theory and generalizations (20-XX) 461 Field theory and polynomials (12-XX) 436 Algebraic geometry (14-XX) 350 Linear and multilinear algebra; matrix theory (15-XX) 205 Combinatorics (05-XX) 201 Category theory; homological algebra (18-XX) 201 \(K\)-theory (19-XX) 179 Nonassociative rings and algebras (17-XX) 106 Order, lattices, ordered algebraic structures (06-XX) 90 Functional analysis (46-XX) 88 Information and communication theory, circuits (94-XX) 73 Algebraic topology (55-XX) 73 Computer science (68-XX) 63 Operations research, mathematical programming (90-XX) 61 Mathematical logic and foundations (03-XX) 60 Systems theory; control (93-XX) 54 Functions of a complex variable (30-XX) 54 Operator theory (47-XX) 53 Topological groups, Lie groups (22-XX) 50 Manifolds and cell complexes (57-XX) 48 Quantum theory (81-XX) 45 Geometry (51-XX) 43 Numerical analysis (65-XX) 35 Several complex variables and analytic spaces (32-XX) 35 General topology (54-XX) 34 Convex and discrete geometry (52-XX) 26 Abstract harmonic analysis (43-XX) 25 Special functions (33-XX) 24 Harmonic analysis on Euclidean spaces (42-XX) 21 Differential geometry (53-XX) 20 Partial differential equations (35-XX) 20 Dynamical systems and ergodic theory (37-XX) 19 Real functions (26-XX) 15 Global analysis, analysis on manifolds (58-XX) 13 Ordinary differential equations (34-XX) 12 Approximations and expansions (41-XX) 12 Integral transforms, operational calculus (44-XX) 10 Difference and functional equations (39-XX) 9 General and overarching topics; collections (00-XX) 9 General algebraic systems (08-XX) 8 History and biography (01-XX) 8 Mechanics of particles and systems (70-XX) 7 Relativity and gravitational theory (83-XX) 5 Measure and integration (28-XX) 5 Calculus of variations and optimal control; optimization (49-XX) 5 Probability theory and stochastic processes (60-XX) 5 Mechanics of deformable solids (74-XX) 5 Statistical mechanics, structure of matter (82-XX) 4 Statistics (62-XX) 3 Biology and other natural sciences (92-XX) 2 Potential theory (31-XX) 2 Fluid mechanics (76-XX) 2 Optics, electromagnetic theory (78-XX) 1 Geophysics (86-XX) 1 Mathematics education (97-XX) Citations by Year Wikidata Timeline The data are displayed as stored in Wikidata under a Creative Commons CC0 License. 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