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: 139 Publications since 1966, including 13 Books 3 Contributions as Editor · 1 Further Contribution Biographic References: 1 Publication Co-Authors: 50 Co-Authors with 99 Joint Publications 973 Co-Co-Authors all top 5 Co-Authors 41 single-authored 18 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) 33 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 4,765 times in 3,671 Documents Cited by ▼ Year ▼ Lectures on modules and rings. Zbl 0911.16001Lam, T. Y. 764 1999 A first course in noncommutative rings. Zbl 0728.16001Lam, T. Y. 463 1991 A first course in noncommutative rings. 2nd ed. Zbl 0980.16001Lam, T. Y. 445 2001 The algebraic theory of quadratic forms. Zbl 0259.10019Lam, T. Y. 386 1973 Introduction to quadratic forms over fields. Zbl 1068.11023Lam, T. Y. 298 2005 Serre’s conjecture. Zbl 0373.13004Lam, T. Y. 158 1978 Serre’s problem on projective modules. Zbl 1101.13001Lam, T. Y. 101 2005 Orderings, valuations and quadratic forms. Zbl 0516.12001Lam, T. Y. 87 1983 On vanishing sums of roots of unity. Zbl 1099.11510Lam, T. Y.; Leung, K. H. 82 2000 Sums of squares of real polynomials. Zbl 0821.11028Choi, M. D.; Lam, T. Y.; Reznick, B. 70 1995 Pfister forms and \(K\)-theory of fields. Zbl 0246.15029Elman, Richard; Lam, T. Y. 69 1972 Exercises in classical ring theory. 2nd ed. Zbl 1031.16001Lam, T. Y. 63 2003 Continuous modules are clean. Zbl 1114.16023Camillo, V. P.; Khurana, D.; Lam, T. Y.; Nicholson, W. K.; Zhou, Y. 62 2006 Quadratic forms over formally real fields and Pythagorean fields. Zbl 0259.12101Elman, Richard; Lam, T. Y. 62 1972 Extremal positive semidefinite forms. Zbl 0347.15009Choi, Man-Duen; Lam, Tsit-Yuen 60 1977 Vandermonde and Wronskian matrices over division rings. Zbl 0657.15015Lam, T. Y.; Leroy, A. 54 1988 The algebraic theory of quadratic forms. 2nd printing, with revisions. Zbl 0437.10006Lam, T. Y. 52 1980 An introduction to real algebra. Zbl 0577.14016Lam, T. Y. 52 1984 A crash course on stable range, cancellation, substitution and exchange. Zbl 1072.16013Lam, T. Y. 51 2004 Primeness, semiprimeness and prime radical of Ore extensions. Zbl 0879.16016Lam, T. Y.; Leroy, A.; Matczuk, J. 50 1997 On some Hasse principles over formally real fields. Zbl 0277.15013Elman, Richard; Lam, Tsit-Yuen; Prestel, Alexander 48 1973 Induction theorems for Grothendieck groups and Whitehead groups of finite groups. Zbl 0164.02703Lam, Tsit-Yuen 42 1968 Rings with internal cancellation. Zbl 1076.16004Khurana, Dinesh; Lam, T. Y. 41 2005 Quadratic forms under algebraic extensions. Zbl 0302.10025Elman, Richard; Lam, T. Y. 39 1976 Rings with unipotent units. Zbl 1374.16089Danchev, Peter Vassilev; Lam, Tsit-Yuen 37 2016 The Pythagoras number of some affine algebras and local algebras. Zbl 0499.12018Choi, M. D.; Dai, Z. D.; Lam, T. Y.; Reznick, B. 36 1982 A general theory of Vandermonde matrices. Zbl 0598.15015Lam, T. Y. 36 1986 Even symmetric sextics. Zbl 0654.10024Choi, M. D.; Lam, T. Y.; Reznick, Bruce 36 1987 Clean matrices and unit-regular matrices. Zbl 1067.16050Khurana, Dinesh; Lam, T. Y. 34 2004 Quasi-duo rings and stable range descent. Zbl 1071.16003Lam, T. Y.; Dugas, Alex S. 34 2005 Exercises in modules and rings. Zbl 1121.16001Lam, T. Y. 32 2007 On the cyclotomic polynomial \(\Phi_{pq}(X)\). Zbl 0868.11016Lam, T. Y.; Leung, K. H. 29 1996 Real zeros for positive semidefinite forms. I. Zbl 0415.10018Choi, Man-Duen; Lam, Tsit-Yuen; Reznick, Bruce 28 1980 Witt rings and Brauer groups under multiquadratic extensions. I. Zbl 0492.10014Elman, Richard; Lam, T. Y.; Tignol, J.-P.; Wadsaworth, Adrian R. 28 1983 Biquaternion algebras and quartic extensions. Zbl 0801.11048Lam, Tsit Yuen; Leep, David B.; Tignol, Jean-Pierre 28 1993 Artin exponent of finite groups. Zbl 0277.20006Lam, Tsit-Yuen 28 1968 Modules with isomorphic multiples and rings with isomorphic matrix rings. A survey. Zbl 0962.16002Lam, Tsit-Yuen 27 1999 On the irreducibility of the generalized Laguerre polynomials. Zbl 1010.12001Filaseta, M.; Lam, T.-Y. 26 2002 Quadratic forms and the u-invariant. Zbl 0267.10029Elman, Richard; Lam, T. Y. 26 1973 Quadratic forms and the u-invariant. I. Zbl 0244.10020Elman, Richard; Lam, Tsit-Yuen 26 1973 Classification theorems for quadratic forms over fields. Zbl 0297.15024Elman, Richard; Lam, T. Y. 25 1974 Orderings under field extensions. Zbl 0398.12019Elman, R.; Lam, T. Y.; Wadsworth, A. R. 23 1979 Wedderburn polynomials over division rings. I. Zbl 1047.16010Lam, T. Y.; Leroy, André 21 2004 Multiplicative maps of matrix semi-groups. Zbl 0176.29502Jodeit, M. jun.; Lam, T. Y. 20 1969 Young diagrams, Schur functions, the Gale-Ryser theorem and a conjecture or Snapper. Zbl 0373.05009Lam, T. Y. 17 1977 Wedderburn polynomials over division rings. II. Zbl 1173.16011Lam, T. Y.; Leroy, A.; Ozturk, A. 17 2008 Jacobson’s Lemma for Drazin inverses. Zbl 1294.15005Lam, T. Y.; Nielsen, Pace P. 17 2014 Exercises in classical ring theory. Zbl 0823.16001Lam, T. Y. 16 1994 Hilbert 90 theorems over division rings. Zbl 0820.16024Lam, T. Y.; Leroy, A. 15 1994 The theory of ordered fields. Zbl 0442.12024Lam, T. Y. 15 1980 Euclidean pairs and quasi-Euclidean rings. Zbl 1318.16036Alahmadi, Adel; Jain, S. K.; Lam, T. Y.; Leroy, A. 15 2014 A prime ideal principle in commutative algebra. Zbl 1168.13002Lam, T. Y.; Reyes, Manuel L. 14 2008 Quadratic forms under multiquadratic extensions. Zbl 0425.10021Elman, Richard; Lam, T. Y.; Wadsworth, Adrian R. 14 1980 Algebraic conjugacy classes and skew polynomial rings. Zbl 0694.16002Lam, T. Y.; Leroy, André 14 1988 Fine rings: a new class of simple rings. Zbl 1397.16036Călugăreanu, G.; Lam, T. Y. 14 2016 Discriminants of involutions on biquaternion algebras. Zbl 0828.11023Knus, M.-A.; Lam, T. Y.; Shapiro, D. B.; Tignol, J.-P. 13 1995 Sums of squares in some integral domains. Zbl 0433.10010Choi, M. D.; Lam, T. Y.; Reznick, B.; Rosenberg, Alex 13 1980 \(K_0\) and \(K_1\) - an introduction to algebraic \(K\)-theory. Zbl 0323.18006Lam, T. Y.; Siu, M. K. 13 1975 An old question of Hilbert. Zbl 0382.12010Choi, Man-Duen; Lam, Tsit-Yuen 13 1977 Rings of idempotent stable range one. Zbl 1255.16013Wang, Zhou; Chen, Jianlong; Khurana, Dinesh; Lam, Tsit-Yuen 13 2012 Levels in algebra and topology. Zbl 0546.10017Dai, Z. D.; Lam, T. Y. 12 1984 A theorem of Burnside on matrix rings. Zbl 0913.15011Lam, T. Y. 12 1998 Rings of square stable range one. Zbl 1237.19004Khurana, Dinesh; Lam, T. Y.; Wang, Zhou 12 2011 On the linkage of quaternion algebras. Zbl 1044.16012Lam, T. Y. 11 2002 Series summation of stably free modules. Zbl 0316.16025Lam, T. Y. 11 1976 Function fields of Pfister forms. Zbl 0395.10028Elman, R.; Lam, T. Y.; Wadsworth, A. R. 11 1979 Relative Grothendieck groups. Zbl 0185.06901Lam, T. Y.; Reiner, Irving 11 1969 Unit regular elements in corner rings. Zbl 0923.16010Lam, T. Y.; Murray, Will 10 1997 Exchange elements in rings, and the equation \(XA-BX=I\). Zbl 1396.16033Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 10 2017 Homomorphisms between Ore extensions. Zbl 0746.16023Lam, T. Y.; Leroy, A. 9 1992 Levels in algebra and topology. Zbl 0435.10016Dai, Z. D.; Lam, T. Y.; Peng, C. K. 9 1980 An ensemble of idempotent lifting hypotheses. Zbl 1416.16011Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 9 2018 On the quaternion symbol homomorphism \(g_F: k_2F \rightarrow B(F)\). Zbl 0267.10030Elman, Richard; Lam, T. Y. 9 1973 Corner ring theory: a generalization of Peirce decompositions. I. Zbl 1121.16011Lam, T. Y. 8 2006 Uniquely clean elements in rings. Zbl 1335.16025Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Zhou, Yiqiang 8 2015 Pfister ideals in Witt rings. Zbl 0401.10032Elman, R.; Lam, T. Y.; Wadsworth, A. R. 8 1979 Emmy Noether. A tribute to her life and work. Zbl 0543.01009 8 1981 Representations of finite groups: A hundred years. I, II. Zbl 0924.01008Lam, T. Y. 8 1998 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 0385.12010Elman, Richard; Lam, T.-Y.; Wadsworth, Adrian R. 8 1977 Ten lectures on quadratic forms over fields. Zbl 0396.10008Lam, T. Y. 8 1977 Invariant and semi-invariant polynomials in skew polynomial rings. Zbl 0685.16006Lam, T. Y.; Leung, K. H.; Leroy, A.; Matczuk, J. 7 1989 Hamilton’s quaternions. Zbl 1076.16015Lam, T. Y. 7 2003 Special clean elements in rings. Zbl 1460.16043Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Šter, Janez 7 2020 Reduction theorems for relative Grothendieck rings. Zbl 0185.06802Lam, T. Y.; Reiner, Irving 7 1969 Principal one-sided ideals in Ore polynomial rings. Zbl 0967.16015Lam, T. Y.; Leroy, André 6 2000 Finite groups embeddable in division rings. Zbl 1002.12003Lam, T. Y. 6 2001 Sums of \(2m\)-th powers of rational functions in one variable over real closed fields. Zbl 0859.12002Choi, M. D.; Lam, T. Y.; Prestel, A.; Reznick, B. 6 1996 Lattice polytopes with distinct pair-sums. Zbl 1002.52013Choi, M. D.; Lam, T. Y.; Reznick, B. 6 2002 Sums of units in rings. Zbl 1295.16024Grover, Harpreet K.; Wang, Zhou; Khurana, Dinesh; Chen, Jianlong; Lam, T. Y. 6 2014 Generalized commutators in matrix rings. Zbl 1255.15015Khurana, Dinesh; Lam, T. Y. 6 2012 Restriction maps on relative Grothendieck rings. Zbl 0187.29801Lam, T. Y.; Reiner, Irving 6 1970 Rings over which the transpose of every invertible matrix is invertible. Zbl 1182.16033Gupta, R. N.; Khurana, Anjana; Khurana, Dinesh; Lam, T. Y. 5 2009 Inner inverses and inner annihilators in rings. Zbl 1327.16023Lam, T. Y.; Nielsen, Pace P. 5 2014 On Yuzvinsky’s monomial pairings. Zbl 0802.11013Lam, T. Y.; Smith, Tara L. 5 1993 Determinantal ideals, Pfaffian ideals, and the principal minor theorem. Zbl 1147.15300Kodiyalam, Vijay; Lam, T. Y.; Swan, R. G. 5 2008 Relative Grothendieck rings. Zbl 0177.04503Lam, T. Y.; Reiner, Irving 5 1969 Finite generation of Grothendieck rings relative to cyclic subgroups. Zbl 0186.04602Lam, T. Y.; Reiner, Irving 5 1969 Ore extensions and \(V\)-domains. Zbl 1182.16020Jain, S. K.; Lam, T. Y.; Leroy, A. 4 2009 Combinatorial structure on the automorphism group of \(S_ 6\). Zbl 0819.20004Lam, T. Y.; Leep, David B. 4 1993 Recognition and computations of matrix rings. Zbl 0883.16020Lam, T. Y.; Leroy, André 4 1996 An introduction to \(q\)-central idempotents and \(q\)-abelian rings. Zbl 07664311Lam, T. Y. 1 2023 Special clean elements in rings. Zbl 1460.16043Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Šter, Janez 7 2020 Jacobson pairs and Bott-Duffin decompositions in rings. Zbl 1429.16008Lam, T. Y.; Nielsen, Pace P. 1 2019 An ensemble of idempotent lifting hypotheses. Zbl 1416.16011Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 9 2018 Exchange elements in rings, and the equation \(XA-BX=I\). Zbl 1396.16033Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 10 2017 Rings with unipotent units. Zbl 1374.16089Danchev, Peter Vassilev; Lam, Tsit-Yuen 37 2016 Fine rings: a new class of simple rings. Zbl 1397.16036Călugăreanu, G.; Lam, T. Y. 14 2016 Exchange rings, exchange equations, and lifting properties. Zbl 1372.16042Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 3 2016 Uniquely clean elements in rings. Zbl 1335.16025Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P.; Zhou, Yiqiang 8 2015 Two-sided properties of elements in exchange rings. Zbl 1337.16007Khurana, Dinesh; Lam, T. Y.; Nielsen, Pace P. 3 2015 Jacobson’s Lemma for Drazin inverses. Zbl 1294.15005Lam, T. Y.; Nielsen, Pace P. 17 2014 Euclidean pairs and quasi-Euclidean rings. Zbl 1318.16036Alahmadi, Adel; Jain, S. K.; Lam, T. Y.; Leroy, A. 15 2014 Sums of units in rings. Zbl 1295.16024Grover, Harpreet K.; Wang, Zhou; Khurana, Dinesh; Chen, Jianlong; Lam, T. Y. 6 2014 Inner inverses and inner annihilators in rings. Zbl 1327.16023Lam, T. Y.; Nielsen, Pace P. 5 2014 Rings of idempotent stable range one. Zbl 1255.16013Wang, Zhou; Chen, Jianlong; Khurana, Dinesh; Lam, Tsit-Yuen 13 2012 Generalized commutators in matrix rings. Zbl 1255.15015Khurana, Dinesh; Lam, T. Y. 6 2012 A short proof that continuous modules are clean. Zbl 1300.16031Camillo, V. P.; Khurana, D.; Lam, T. Y.; Nicholson, W. K.; Zhou, Y. 2 2012 A quantum-trace determinantal formula for matrix commutators, and applications. Zbl 1236.15018Khurana, Dinesh; Lam, T. Y.; Shomron, Noam 2 2012 Rings of square stable range one. Zbl 1237.19004Khurana, Dinesh; Lam, T. Y.; Wang, Zhou 12 2011 Invertible commutators in matrix rings. Zbl 1216.15010Khurana, Dinesh; Lam, T. Y. 3 2011 Collected papers of John Milnor. V: Algebra. Edited by Hyman Bass and T. Y. Lam. Zbl 1208.01050Milnor, John 4 2010 Symplectic modules and von Neumann regular matrices over commutative rings. Zbl 1193.15015Lam, T. Y.; Swan, R. G. 2 2010 Rings over which the transpose of every invertible matrix is invertible. Zbl 1182.16033Gupta, R. N.; Khurana, Anjana; Khurana, Dinesh; Lam, T. Y. 5 2009 Ore extensions and \(V\)-domains. Zbl 1182.16020Jain, S. K.; Lam, T. Y.; Leroy, A. 4 2009 Oka and Ako ideal families in commutative rings. Zbl 1182.13003Lam, T. Y.; Reyes, Manuel L. 2 2009 Wedderburn polynomials over division rings. II. Zbl 1173.16011Lam, T. Y.; Leroy, A.; Ozturk, A. 17 2008 A prime ideal principle in commutative algebra. Zbl 1168.13002Lam, T. Y.; Reyes, Manuel L. 14 2008 Determinantal ideals, Pfaffian ideals, and the principal minor theorem. Zbl 1147.15300Kodiyalam, Vijay; Lam, T. Y.; Swan, R. G. 5 2008 Exercises in modules and rings. Zbl 1121.16001Lam, T. Y. 32 2007 Continuous modules are clean. Zbl 1114.16023Camillo, V. P.; Khurana, D.; Lam, T. Y.; Nicholson, W. K.; Zhou, Y. 62 2006 Corner ring theory: a generalization of Peirce decompositions. I. Zbl 1121.16011Lam, T. Y. 8 2006 Introduction to quadratic forms over fields. Zbl 1068.11023Lam, T. Y. 298 2005 Serre’s problem on projective modules. Zbl 1101.13001Lam, T. Y. 101 2005 Rings with internal cancellation. Zbl 1076.16004Khurana, Dinesh; Lam, T. Y. 41 2005 Quasi-duo rings and stable range descent. Zbl 1071.16003Lam, T. Y.; Dugas, Alex S. 34 2005 A crash course on stable range, cancellation, substitution and exchange. Zbl 1072.16013Lam, T. Y. 51 2004 Clean matrices and unit-regular matrices. Zbl 1067.16050Khurana, Dinesh; Lam, T. Y. 34 2004 Wedderburn polynomials over division rings. I. Zbl 1047.16010Lam, T. Y.; Leroy, André 21 2004 On subgroups of prime index. Zbl 1086.20015Lam, T. Y. 3 2004 Exercises in classical ring theory. 2nd ed. Zbl 1031.16001Lam, T. Y. 63 2003 Hamilton’s quaternions. Zbl 1076.16015Lam, T. Y. 7 2003 On the irreducibility of the generalized Laguerre polynomials. Zbl 1010.12001Filaseta, M.; Lam, T.-Y. 26 2002 On the linkage of quaternion algebras. Zbl 1044.16012Lam, T. Y. 11 2002 Lattice polytopes with distinct pair-sums. Zbl 1002.52013Choi, M. D.; Lam, T. Y.; Reznick, B. 6 2002 A first course in noncommutative rings. 2nd ed. Zbl 0980.16001Lam, T. Y. 445 2001 Finite groups embeddable in division rings. Zbl 1002.12003Lam, T. Y. 6 2001 On vanishing sums of roots of unity. Zbl 1099.11510Lam, T. Y.; Leung, K. H. 82 2000 Principal one-sided ideals in Ore polynomial rings. Zbl 0967.16015Lam, T. Y.; Leroy, André 6 2000 On the equality row rank and column rank. Zbl 0955.15001Lam, T. Y. 1 2000 Lectures on modules and rings. Zbl 0911.16001Lam, T. Y. 764 1999 Modules with isomorphic multiples and rings with isomorphic matrix rings. A survey. Zbl 0962.16002Lam, Tsit-Yuen 27 1999 Classes of polynomials having only one non-cyclotomic irreducible factor. Zbl 0935.11039Borisov, A.; Filaseta, M.; Lam, T. Y.; Trifonov, O. 1 1999 A theorem of Burnside on matrix rings. Zbl 0913.15011Lam, T. Y. 12 1998 Representations of finite groups: A hundred years. I, II. Zbl 0924.01008Lam, T. Y. 8 1998 On uniform dimensions of ideals in right nonsingular rings. Zbl 0931.16001Jain, S. K.; Lam, T. Y.; Leroy, André 2 1998 Primeness, semiprimeness and prime radical of Ore extensions. Zbl 0879.16016Lam, T. Y.; Leroy, A.; Matczuk, J. 50 1997 Unit regular elements in corner rings. Zbl 0923.16010Lam, T. Y.; Murray, Will 10 1997 On the cyclotomic polynomial \(\Phi_{pq}(X)\). Zbl 0868.11016Lam, T. Y.; Leung, K. H. 29 1996 Sums of \(2m\)-th powers of rational functions in one variable over real closed fields. Zbl 0859.12002Choi, M. D.; Lam, T. Y.; Prestel, A.; Reznick, B. 6 1996 Recognition and computations of matrix rings. Zbl 0883.16020Lam, T. Y.; Leroy, André 4 1996 Vanishing sums of \(m\)th roots of unity in finite fields. Zbl 0916.11018Lam, T. Y.; Leung, K. H. 1 1996 Sums of squares of real polynomials. Zbl 0821.11028Choi, M. D.; Lam, T. Y.; Reznick, B. 70 1995 Discriminants of involutions on biquaternion algebras. Zbl 0828.11023Knus, M.-A.; Lam, T. Y.; Shapiro, D. B.; Tignol, J.-P. 13 1995 A lifting theorem, and rings with isomorphic matrix rings. Zbl 0902.16026Lam, T. Y. 3 1995 Exercises in classical ring theory. Zbl 0823.16001Lam, T. Y. 16 1994 Hilbert 90 theorems over division rings. Zbl 0820.16024Lam, T. Y.; Leroy, A. 15 1994 Biquaternion algebras and quartic extensions. Zbl 0801.11048Lam, Tsit Yuen; Leep, David B.; Tignol, Jean-Pierre 28 1993 On Yuzvinsky’s monomial pairings. Zbl 0802.11013Lam, T. Y.; Smith, Tara L. 5 1993 Combinatorial structure on the automorphism group of \(S_ 6\). Zbl 0819.20004Lam, T. Y.; Leep, David B. 4 1993 Homomorphisms between Ore extensions. Zbl 0746.16023Lam, T. Y.; Leroy, A. 9 1992 A first course in noncommutative rings. Zbl 0728.16001Lam, T. Y. 463 1991 Positive sextics and Schur’s inequalities. Zbl 0784.11013Choi, M. D.; Lam, T. Y.; Reznick, B. 2 1991 Invariant and semi-invariant polynomials in skew polynomial rings. Zbl 0685.16006Lam, T. Y.; Leung, K. H.; Leroy, A.; Matczuk, J. 7 1989 On the Clifford-Littlewood-Eckmann groups: A new look at periodicity mod 8. Zbl 0726.11025Lam, T. Y.; Smith, Tara 4 1989 Fields of \(u\)-invariant 6 after A. Merkurjev. Zbl 0683.10018Lam, T. Y. 4 1989 Vandermonde and Wronskian matrices over division rings. Zbl 0657.15015Lam, T. Y.; Leroy, A. 54 1988 Algebraic conjugacy classes and skew polynomial rings. Zbl 0694.16002Lam, T. Y.; Leroy, André 14 1988 On the number of solutions of \(x^{p^ k}=a\) in a p-group. Zbl 0632.20014Lam, T. Y. 2 1988 Vandermonde and Wronskian matrices over division rings. Zbl 0659.15013Lam, T. Y.; Leroy, A. 1 1988 Even symmetric sextics. Zbl 0654.10024Choi, M. D.; Lam, T. Y.; Reznick, Bruce 36 1987 A general theory of Vandermonde matrices. Zbl 0598.15015Lam, T. Y. 36 1986 An introduction to real algebra. Zbl 0577.14016Lam, T. Y. 52 1984 Levels in algebra and topology. Zbl 0546.10017Dai, Z. D.; Lam, T. Y. 12 1984 Orderings, valuations and quadratic forms. Zbl 0516.12001Lam, T. Y. 87 1983 Witt rings and Brauer groups under multiquadratic extensions. I. Zbl 0492.10014Elman, Richard; Lam, T. Y.; Tignol, J.-P.; Wadsaworth, Adrian R. 28 1983 The Pythagoras number of some affine algebras and local algebras. Zbl 0499.12018Choi, M. D.; Dai, Z. D.; Lam, T. Y.; Reznick, B. 36 1982 The square class invariant for pythagorean fields. Zbl 0493.10024Shapiro, Daniel B.; Lam, T.-Y. 1 1982 Emmy Noether. A tribute to her life and work. Zbl 0543.01009 8 1981 The algebraic theory of quadratic forms. 2nd printing, with revisions. Zbl 0437.10006Lam, T. Y. 52 1980 Real zeros for positive semidefinite forms. I. Zbl 0415.10018Choi, Man-Duen; Lam, Tsit-Yuen; Reznick, Bruce 28 1980 The theory of ordered fields. Zbl 0442.12024Lam, T. Y. 15 1980 Quadratic forms under multiquadratic extensions. Zbl 0425.10021Elman, Richard; Lam, T. Y.; Wadsworth, Adrian R. 14 1980 Sums of squares in some integral domains. Zbl 0433.10010Choi, M. D.; Lam, T. Y.; Reznick, B.; Rosenberg, Alex 13 1980 Levels in algebra and topology. Zbl 0435.10016Dai, Z. D.; Lam, T. Y.; Peng, C. K. 9 1980 Orderings under field extensions. Zbl 0398.12019Elman, R.; Lam, T. Y.; Wadsworth, A. R. 23 1979 Function fields of Pfister forms. Zbl 0395.10028Elman, R.; Lam, T. Y.; Wadsworth, A. R. 11 1979 Pfister ideals in Witt rings. Zbl 0401.10032Elman, R.; Lam, T. Y.; Wadsworth, A. R. 8 1979 Serre’s conjecture. Zbl 0373.13004Lam, T. Y. 158 1978 Extremal positive semidefinite forms. Zbl 0347.15009Choi, Man-Duen; Lam, Tsit-Yuen 60 1977 Young diagrams, Schur functions, the Gale-Ryser theorem and a conjecture or Snapper. Zbl 0373.05009Lam, T. Y. 17 1977 ...and 28 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 3,250 Authors 53 Lam, Tsit-Yuen 40 Zhou, Yiqiang 34 Danchev, Peter Vassilev 32 Nielsen, Pace P. 31 Chen, Huanyin 31 Khurana, Dinesh 27 Leroy, André Gérard 27 Mao, Lixin 27 Moussavi, Ahmad 26 Sivatski, Alexander S. 25 Tignol, Jean-Pierre 24 Birkenmeier, Gary Francis 22 Parimala, Raman 22 Paykan, Kamal 21 Koşan, Muhammet Tamer 21 Leep, David B. 20 Hashemi, Ebrahim 20 Mináč, Ján 19 Alhevaz, Abdollah 19 Chapman, Adam 19 Rizvi, Syed Tariq 18 Becher, Karim Johannes 17 Craven, Thomas C. 17 Elman, Richard S. 17 Hazrat, Roozbeh 17 Jain, Surender Kumar 17 Lee, Yang 17 Mai Hoang Bien 17 Marshall, Murray Angus 17 Yousif, Mohamed F. 16 Chen, Jianlong 16 Facchini, Alberto 15 Behboodi, Mahmood 15 Matczuk, Jerzy 15 Pumplün, Susanne 15 Rangaswamy, Kulumani M. 15 Rao, Ravi A. 15 Srivastava, Ashish Kumar 15 Wadsworth, Adrian R. 14 Akbari, Saieed 14 Kim, Nam Kyun 14 Klep, Igor 14 Lewis, David W. 14 Mazurek, Ryszard 14 Scheiderer, Claus 14 Siles Molina, Mercedes 14 Tercan, Adnan 14 Tribak, Rachid 14 Zeng, Guangxing 14 Ziembowski, Michał 13 Bui Xuan Hai 13 Colliot-Thélène, Jean-Louis 13 Ding, Nanqing 13 Hoffmann, Detlev W. 13 Ibrahim, Yasser F. 13 Park, Jae Keol 13 Quynh, Truong Cong 13 Tuganbaev, Askar Akanovich 13 Vaš, Lia 13 Ware, Roger 12 Shapiro, Daniel Byron 11 Arason, Jón Kristinn 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 Sabadini, Irene 11 Werner, Nicholas J. 10 Abyzov, Adel Nailevich 10 Calugareanu, Grigore Dumitru jun. 10 Diesl, Alexander J. 10 Fitzgerald, Robert W. 10 Hong, Chan Yong 10 Huynh, Dinh Van 10 Lee, Tsiu-Kwen 10 Mahdavi-Hezavehi, M. 10 Moradzadeh-Dehkordi, Ali 10 Nicholson, W. Keith 10 Reyes, Manuel L. 10 Reznick, Bruce 10 Sheibani Abdolyousefi, Marjan 10 Unger, Thomas P. 9 Alahmadi, Adel N. 9 Bolotnikov, Vladimir 9 Chaturvedi, Avanish Kumar 9 Colombo, Fabrizio 9 Elduque, Alberto 9 Gentili, Graziano 9 Habibi, Mohammad Hassan 9 Kadison, Lars 9 Koprowski, Przemysław 9 Lim, Meng Fai 9 Marks, Greg 9 Mary, Xavier 9 Nazemian, Zahra 9 Okniński, Jan 9 Quéguiner-Mathieu, Anne ...and 3,150 more Authors all top 5 Cited in 420 Serials 522 Journal of Algebra 355 Communications in Algebra 248 Journal of Pure and Applied Algebra 194 Journal of Algebra and its Applications 116 Linear Algebra and its Applications 81 Proceedings of the American Mathematical Society 81 Transactions of the American Mathematical Society 73 Mathematische Zeitschrift 56 Advances in Mathematics 50 Israel Journal of Mathematics 40 Manuscripta Mathematica 39 Journal of Number Theory 38 Algebras and Representation Theory 37 Archiv der Mathematik 37 Mathematische Annalen 31 Linear and Multilinear Algebra 31 Inventiones Mathematicae 25 Journal of Symbolic Computation 24 Rocky Mountain Journal of Mathematics 22 Indagationes Mathematicae. 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Quatrième Série 10 Czechoslovak Mathematical Journal 10 Topology and its Applications 10 Acta Mathematica Hungarica 10 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 10 Documenta Mathematica 10 International Journal of Number Theory 9 American Mathematical Monthly 9 Journal of Combinatorial Theory. Series A 9 Journal of Functional Analysis 9 Journal für die Reine und Angewandte Mathematik 9 Quaestiones Mathematicae 9 Journal of the American Mathematical Society 9 International Journal of Algebra and Computation 9 Journal de Théorie des Nombres de Bordeaux 9 Open Systems & Information Dynamics 9 Communications of the Korean Mathematical Society 8 Bulletin of the Iranian Mathematical Society 8 \(K\)-Theory 8 Algebra Colloquium 8 Algebraic & Geometric Topology 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 Palestine Journal of Mathematics 7 Journal of Mathematical Analysis and Applications 7 Journal of Mathematical Physics 7 Mathematical Notes 7 Kyungpook Mathematical Journal 7 Rendiconti del Seminario Matematico della Università di Padova 7 The Journal of Geometric Analysis 7 Aequationes Mathematicae 7 Forum of Mathematics, Sigma 6 Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg 6 Acta Mathematica Vietnamica 6 Bulletin of the London Mathematical Society 6 Publications Mathématiques 6 International Journal of Mathematics and Mathematical Sciences 6 Journal of Geometry 6 Journal of the Korean Mathematical Society 6 Le Matematiche 6 Mathematische Nachrichten 6 Memoirs of the American Mathematical Society 6 Proceedings of the Edinburgh Mathematical Society. Series II 6 Semigroup Forum 6 SIAM Journal on Optimization 6 Applied Categorical Structures 6 Transformation Groups 6 Representation Theory 6 Bulletin of the American Mathematical Society 6 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM 6 Journal of Algebra and Related Topics 6 Open Mathematics 5 Indian Journal of Pure & Applied Mathematics 5 Mathematical Proceedings of the Cambridge Philosophical Society ...and 320 more Serials all top 5 Cited in 58 Fields 1,731 Associative rings and algebras (16-XX) 840 Number theory (11-XX) 611 Commutative algebra (13-XX) 451 Group theory and generalizations (20-XX) 450 Field theory and polynomials (12-XX) 411 Algebraic geometry (14-XX) 335 Linear and multilinear algebra; matrix theory (15-XX) 194 Category theory; homological algebra (18-XX) 193 \(K\)-theory (19-XX) 188 Combinatorics (05-XX) 167 Nonassociative rings and algebras (17-XX) 100 Order, lattices, ordered algebraic structures (06-XX) 84 Information and communication theory, circuits (94-XX) 82 Functional analysis (46-XX) 70 Algebraic topology (55-XX) 67 Computer science (68-XX) 61 Operations research, mathematical programming (90-XX) 58 Systems theory; control (93-XX) 54 Mathematical logic and foundations (03-XX) 51 Topological groups, Lie groups (22-XX) 50 Operator theory (47-XX) 48 Manifolds and cell complexes (57-XX) 46 Functions of a complex variable (30-XX) 43 Geometry (51-XX) 43 Quantum theory (81-XX) 42 Numerical analysis (65-XX) 35 Several complex variables and analytic spaces (32-XX) 34 General topology (54-XX) 31 Convex and discrete geometry (52-XX) 24 Abstract harmonic analysis (43-XX) 22 Special functions (33-XX) 21 Harmonic analysis on Euclidean spaces (42-XX) 20 Differential geometry (53-XX) 19 Dynamical systems and ergodic theory (37-XX) 18 Partial differential equations (35-XX) 15 Real functions (26-XX) 13 Ordinary differential equations (34-XX) 13 Global analysis, analysis on manifolds (58-XX) 12 Approximations and expansions (41-XX) 10 Difference and functional equations (39-XX) 8 History and biography (01-XX) 8 General algebraic systems (08-XX) 8 Integral transforms, operational calculus (44-XX) 7 General and overarching topics; collections (00-XX) 7 Mechanics of particles and systems (70-XX) 6 Relativity and gravitational theory (83-XX) 5 Measure and integration (28-XX) 5 Probability theory and stochastic processes (60-XX) 5 Statistical mechanics, structure of matter (82-XX) 4 Mechanics of deformable solids (74-XX) 3 Calculus of variations and optimal control; optimization (49-XX) 3 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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