# zbMATH — the first resource for mathematics

## Magid, Andy Roy

Compute Distance To:
 Author ID: magid.andy-r Published as: Magid, Andy R.; Magid, A. R.; Magid, Andy External Links: MGP · Wikidata · GND
 Documents Indexed: 102 Publications since 1970, including 11 Books Reviewing Activity: 173 Reviews
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#### Co-Authors

 75 single-authored 7 Lubotzky, Alexander 5 Juan, Lourdes 2 Aljadeff, Eli 2 Fauntleroy, Amassa 2 Nahlus, Nazih 1 Bass, Hyman 1 Bateman, Paul Trevier 1 Bergman, George M. 1 Carboni, Aurelio 1 Childs, Lindsay N. 1 Chinburg, Ted 1 Dennis, Roger Keith 1 Ferrer Santos, Walter Ricardo 1 Gerstenhaber, Murray 1 Ginosar, Yuval 1 Goldman, William M. 1 Hoobler, Raymond Taylor 1 Janelidze, George 1 Kostant, Bertram 1 Lam, Tsit-Yuen 1 McDonald, Bernard R. 1 McKnight, Curtis Claude 1 McKnight, Michelynn 1 Moore, Calvin C. 1 Moskowitz, Martin A. 1 Mostow, George Daniel 1 Mozes, Shahar 1 Murphy, Teri J. 1 Nunley, Charles 1 Smith, Kirby C. 1 Tate, John Torrence jun.
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#### Serials

 14 Proceedings of the American Mathematical Society 9 Journal of Algebra 6 Journal of Pure and Applied Algebra 5 Pacific Journal of Mathematics 5 Transactions of the American Mathematical Society 4 American Journal of Mathematics 4 Notices of the American Mathematical Society 3 Rocky Mountain Journal of Mathematics 3 Duke Mathematical Journal 2 Communications in Algebra 2 Israel Journal of Mathematics 2 Canadian Journal of Mathematics 2 Illinois Journal of Mathematics 2 Contemporary Mathematics 2 Lecture Notes in Pure and Applied Mathematics 1 American Mathematical Monthly 1 Mathematics Magazine 1 Advances in Mathematics 1 Geometriae Dedicata 1 Mathematica Scandinavica 1 Memoirs of the American Mathematical Society 1 Michigan Mathematical Journal 1 Advances in Applied Mathematics 1 Bulletin of the American Mathematical Society. New Series 1 Ulam Quarterly 1 Journal of Group Theory 1 Comptes Rendus. Mathématique. Académie des Sciences, Paris 1 Cambridge Tracts in Mathematics 1 Pure and Applied Mathematics, Marcel Dekker 1 University Lecture Series 1 Pure and Applied Mathematics (Boca Raton)
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#### Fields

 43 Group theory and generalizations (20-XX) 42 Algebraic geometry (14-XX) 31 Commutative algebra (13-XX) 16 Associative rings and algebras (16-XX) 14 Field theory and polynomials (12-XX) 11 Topological groups, Lie groups (22-XX) 7 General and overarching topics; collections (00-XX) 4 History and biography (01-XX) 4 Mathematics education (97-XX) 3 Nonassociative rings and algebras (17-XX) 3 Category theory; homological algebra (18-XX) 3 Several complex variables and analytic spaces (32-XX) 2 Ordinary differential equations (34-XX) 2 Functional analysis (46-XX) 2 Manifolds and cell complexes (57-XX) 1 Order, lattices, ordered algebraic structures (06-XX) 1 Number theory (11-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 $$K$$-theory (19-XX) 1 Real functions (26-XX) 1 Abstract harmonic analysis (43-XX) 1 Numerical analysis (65-XX) 1 Systems theory; control (93-XX)

#### Citations contained in zbMATH Open

69 Publications have been cited 412 times in 330 Documents Cited by Year
Varieties of representations of finitely generated groups. Zbl 0598.14042
Lubotzky, Alexander; Magid, Andy R.
1985
Lectures on differential Galois theory. Zbl 0855.12001
Magid, Andy R.
1994
The separable Galois theory of commutative rings. Zbl 0284.13004
Magid, Andy R.
1974
Finite generation of class groups of rings of invariants. Zbl 0344.13004
Magid, Andy R.
1977
Cohomology of unipotent and prounipotent groups. Zbl 0473.20031
Lubotzky, Alexander; Magid, Andy R.
1982
The proalgebraic completion of rigid groups. Zbl 1059.20036
Bass, Hyman; Lubotzky, Alexander; Magid, Andy R.; Mozes, Shahar
2002
Pierce’s representation and separable algebras. Zbl 0204.05904
Magid, A. R.
1971
Brauer groups of linear algebraic groups with characters. Zbl 0393.20029
Magid, Andy R.
1978
Free prounipotent groups. Zbl 0503.20008
Lubotzky, Alexander; Magid, Andy R.
1983
Cohomology of rings with algebraic group action. Zbl 0593.14030
Magid, Andy R.
1986
Picard groups of rings of invariants. Zbl 0437.14002
Magid, Andy R.
1980
Cohomology, Poincaré series, and group algebras of unipotent groups. Zbl 0565.20023
Lubotzky, Alexander; Magid, Andy R.
1985
Quasi-affine surfaces with $$G_a$$-actions. Zbl 0399.14031
Fauntleroy, Amassa; Magid, Andy R.
1978
Galois groupoids. Zbl 0215.36703
Magid, A. R.
1971
Algebraically separable extensions of Banach algebras. Zbl 0293.46038
Magid, Andy R.
1974
Left algebraic groups. Zbl 0306.14020
Magid, A. R.
1975
Proper $$G_a$$-actions. Zbl 0351.14026
Fauntleroy, Amassa; Magid, Andy R.
1976
K-theory of commutative regular rings. Zbl 0264.13009
Magid, Andy R.
1973
The Picard invariant of a principal homogeneous space. Zbl 0282.14015
Childs, Lindsay N.; Magid, Andy R.
1974
Module categories of analytic groups. Zbl 0491.22004
Magid, Andy R.
1982
Equivariant completions of rings with reductive group action. Zbl 0655.14019
Magid, Andy R.
1987
Simple representations of the integral Heisenberg group. Zbl 0698.22009
Nunley, Charles; Magid, Andy
1989
Locally Galois algebras. Zbl 0198.06301
Magid, A. R.
1970
The Picard sequence of a fibration. Zbl 0314.14002
Magid, Andy R.
1975
Separately algebraic group laws. Zbl 0389.14007
Magid, Andy R.
1978
Differential Galois theory. Zbl 1047.12501
Magid, Andy R.
1999
The Picard-Vessiot antiderivative closure. Zbl 1049.12006
Magid, Andy R.
2001
Dimension in rings with solvable algebraic group action. Zbl 0441.13010
Magid, Andy R.
1980
Analytic representations of polycyclic groups. Zbl 0505.20007
Magid, Andy R.
1982
A note on the Galois correspondence for commutative rings. Zbl 0858.18003
Carboni, A.; Janelidze, G.; Magid, A. R.
1996
Direct limits of finite products of fields. Zbl 0943.16011
Magid, Andy R.
1995
Universal covers and category theory in polynomial and differential Galois theory. Zbl 1154.12300
Magid, Andy R.
2004
The separable Galois theory of commutative rings. 2nd revised ed. Zbl 1298.13011
Magid, Andy R.
2014
$$K_2$$ of von Neumann regular rings. Zbl 0301.18003
Dennis, R. Keith; Magid, Andy R.
1975
The universal group cover of a pro-affine algebraic group. Zbl 0334.14025
Magid, Andy R.
1975
Fundamental, Picard, and class groups of rings of invariants. Zbl 0344.13003
Magid, Andy R.
1976
Covering spaces of algebraic groups. Zbl 0346.14008
Magid, Andy R.
1976
Factorality in quotients of linear $$G_m$$-actions. Zbl 0371.14026
Magid, Andy R.
1977
Analytic left algebraic groups. Zbl 0373.14012
Magid, Andy R.
1977
Analytic subgroups of affine algebraic groups. Zbl 0376.22008
Magid, Andy R.
1977
The separable closure of some commutative rings. Zbl 0248.13003
Magid, Andy R.
1972
A van Kampen theorem for separable algebras. Zbl 0269.13003
Magid, Andy R.
1973
Analytic left algebraic groups. II. Zbl 0398.22014
Magid, Andy R.
1978
Differential central simple algebras and Picard-Vessiot representations. Zbl 1223.12006
Juan, Lourdes; Magid, Andy R.
2008
Generic rings for Picard-Vessiot extensions and generic differential equations. Zbl 1112.14024
Juan, Lourdes; Magid, Andy R.
2007
Representative functions on simply connected solvable groups. Zbl 0443.16025
Magid, Andy R.
1980
On the imprimitivity theorem for algebraic groups. Zbl 0589.20023
Magid, Andy R.
1984
Geometry of group representations. Proceedings of the AMS-IMS-SIAM joint summer research conference held July 5-11, 1987 in Boulder, Colorado, with support from the National Science Foundation. Zbl 0651.00007
Goldman, William M. (ed.); Magid, Andy R. (ed.)
1988
Commutative algebras of Hochschild dimension one. Zbl 0189.03905
Magid, A. R.
1970
Trigonometric identities. Zbl 0292.26002
Magid, Andy R.
1974
Erratum to: K-theory of commutative regular rings. Zbl 0294.13008
Magid, Andy R.
1974
The Picard sequence of a fibration. Zbl 0337.14008
Magid, Andy R.
1976
Abelian extensions of rings of positive characteristic. Zbl 0233.13001
Magid, Andy R.
1972
A separably closed ring with nonzero torsion Pic. Zbl 0246.13007
Magid, Andy R.
1972
Ultrafunctors. Zbl 0259.13006
Magid, Andy R.
1975
Faithfully representable analytic groups. Zbl 0414.14029
Magid, Andy R.
1979
Coordinate rings of prounipotent groups. Zbl 0596.20033
Magid, Andy R.
1985
Provarieties and observable subgroups of pro-affine algebraic groups. Zbl 1001.20039
Magid, Andy R.; Nahlus, Nazih
2002
Lower bounds for dimensions of representation varieties. Zbl 0974.20006
Magid, Andy R.
1998
Prounipotent prolongation of algebraic groups. Zbl 0937.20025
Magid, Andy R.
1999
Analytic subgroups of affine algebraic groups. II. Zbl 0437.22008
Magid, Andy R.
1980
Lie algebras with the same modules. Zbl 0469.17005
Magid, Andy R.
1981
Unipotent and prounipotent groups: cohomology and presentations. Zbl 0488.20026
Lubotzky, Alexander; Magid, Andy R.
1982
Identities for prounipotent groups. Zbl 0838.20056
Magid, Andy R.
1994
On the proalgebraic completion of a finitely generated group. Zbl 1012.20039
Magid, Andy R.
2002
Inverse differential Galois theory. Zbl 1016.12006
Magid, Andy R.
2002
The Picard-Vessiot closure in differential Galois theory. Zbl 1030.12004
Magid, Andy R.
2002
Local structure of representation varieties. Zbl 0664.14002
Magid, Andy R.
1988
Differential étale extensions and differential modules over differential rings. Zbl 1362.12003
Magid, Andy R.
2016
Differential étale extensions and differential modules over differential rings. Zbl 1362.12003
Magid, Andy R.
2016
The separable Galois theory of commutative rings. 2nd revised ed. Zbl 1298.13011
Magid, Andy R.
2014
Differential central simple algebras and Picard-Vessiot representations. Zbl 1223.12006
Juan, Lourdes; Magid, Andy R.
2008
Generic rings for Picard-Vessiot extensions and generic differential equations. Zbl 1112.14024
Juan, Lourdes; Magid, Andy R.
2007
Universal covers and category theory in polynomial and differential Galois theory. Zbl 1154.12300
Magid, Andy R.
2004
The proalgebraic completion of rigid groups. Zbl 1059.20036
Bass, Hyman; Lubotzky, Alexander; Magid, Andy R.; Mozes, Shahar
2002
Provarieties and observable subgroups of pro-affine algebraic groups. Zbl 1001.20039
Magid, Andy R.; Nahlus, Nazih
2002
On the proalgebraic completion of a finitely generated group. Zbl 1012.20039
Magid, Andy R.
2002
Inverse differential Galois theory. Zbl 1016.12006
Magid, Andy R.
2002
The Picard-Vessiot closure in differential Galois theory. Zbl 1030.12004
Magid, Andy R.
2002
The Picard-Vessiot antiderivative closure. Zbl 1049.12006
Magid, Andy R.
2001
Differential Galois theory. Zbl 1047.12501
Magid, Andy R.
1999
Prounipotent prolongation of algebraic groups. Zbl 0937.20025
Magid, Andy R.
1999
Lower bounds for dimensions of representation varieties. Zbl 0974.20006
Magid, Andy R.
1998
A note on the Galois correspondence for commutative rings. Zbl 0858.18003
Carboni, A.; Janelidze, G.; Magid, A. R.
1996
Direct limits of finite products of fields. Zbl 0943.16011
Magid, Andy R.
1995
Lectures on differential Galois theory. Zbl 0855.12001
Magid, Andy R.
1994
Identities for prounipotent groups. Zbl 0838.20056
Magid, Andy R.
1994
Simple representations of the integral Heisenberg group. Zbl 0698.22009
Nunley, Charles; Magid, Andy
1989
Geometry of group representations. Proceedings of the AMS-IMS-SIAM joint summer research conference held July 5-11, 1987 in Boulder, Colorado, with support from the National Science Foundation. Zbl 0651.00007
Goldman, William M.; Magid, Andy R.
1988
Local structure of representation varieties. Zbl 0664.14002
Magid, Andy R.
1988
Equivariant completions of rings with reductive group action. Zbl 0655.14019
Magid, Andy R.
1987
Cohomology of rings with algebraic group action. Zbl 0593.14030
Magid, Andy R.
1986
Varieties of representations of finitely generated groups. Zbl 0598.14042
Lubotzky, Alexander; Magid, Andy R.
1985
Cohomology, Poincaré series, and group algebras of unipotent groups. Zbl 0565.20023
Lubotzky, Alexander; Magid, Andy R.
1985
Coordinate rings of prounipotent groups. Zbl 0596.20033
Magid, Andy R.
1985
On the imprimitivity theorem for algebraic groups. Zbl 0589.20023
Magid, Andy R.
1984
Free prounipotent groups. Zbl 0503.20008
Lubotzky, Alexander; Magid, Andy R.
1983
Cohomology of unipotent and prounipotent groups. Zbl 0473.20031
Lubotzky, Alexander; Magid, Andy R.
1982
Module categories of analytic groups. Zbl 0491.22004
Magid, Andy R.
1982
Analytic representations of polycyclic groups. Zbl 0505.20007
Magid, Andy R.
1982
Unipotent and prounipotent groups: cohomology and presentations. Zbl 0488.20026
Lubotzky, Alexander; Magid, Andy R.
1982
Lie algebras with the same modules. Zbl 0469.17005
Magid, Andy R.
1981
Picard groups of rings of invariants. Zbl 0437.14002
Magid, Andy R.
1980
Dimension in rings with solvable algebraic group action. Zbl 0441.13010
Magid, Andy R.
1980
Representative functions on simply connected solvable groups. Zbl 0443.16025
Magid, Andy R.
1980
Analytic subgroups of affine algebraic groups. II. Zbl 0437.22008
Magid, Andy R.
1980
Faithfully representable analytic groups. Zbl 0414.14029
Magid, Andy R.
1979
Brauer groups of linear algebraic groups with characters. Zbl 0393.20029
Magid, Andy R.
1978
Quasi-affine surfaces with $$G_a$$-actions. Zbl 0399.14031
Fauntleroy, Amassa; Magid, Andy R.
1978
Separately algebraic group laws. Zbl 0389.14007
Magid, Andy R.
1978
Analytic left algebraic groups. II. Zbl 0398.22014
Magid, Andy R.
1978
Finite generation of class groups of rings of invariants. Zbl 0344.13004
Magid, Andy R.
1977
Factorality in quotients of linear $$G_m$$-actions. Zbl 0371.14026
Magid, Andy R.
1977
Analytic left algebraic groups. Zbl 0373.14012
Magid, Andy R.
1977
Analytic subgroups of affine algebraic groups. Zbl 0376.22008
Magid, Andy R.
1977
Proper $$G_a$$-actions. Zbl 0351.14026
Fauntleroy, Amassa; Magid, Andy R.
1976
Fundamental, Picard, and class groups of rings of invariants. Zbl 0344.13003
Magid, Andy R.
1976
Covering spaces of algebraic groups. Zbl 0346.14008
Magid, Andy R.
1976
The Picard sequence of a fibration. Zbl 0337.14008
Magid, Andy R.
1976
Left algebraic groups. Zbl 0306.14020
Magid, A. R.
1975
The Picard sequence of a fibration. Zbl 0314.14002
Magid, Andy R.
1975
$$K_2$$ of von Neumann regular rings. Zbl 0301.18003
Dennis, R. Keith; Magid, Andy R.
1975
The universal group cover of a pro-affine algebraic group. Zbl 0334.14025
Magid, Andy R.
1975
Ultrafunctors. Zbl 0259.13006
Magid, Andy R.
1975
The separable Galois theory of commutative rings. Zbl 0284.13004
Magid, Andy R.
1974
Algebraically separable extensions of Banach algebras. Zbl 0293.46038
Magid, Andy R.
1974
The Picard invariant of a principal homogeneous space. Zbl 0282.14015
Childs, Lindsay N.; Magid, Andy R.
1974
Trigonometric identities. Zbl 0292.26002
Magid, Andy R.
1974
Erratum to: K-theory of commutative regular rings. Zbl 0294.13008
Magid, Andy R.
1974
K-theory of commutative regular rings. Zbl 0264.13009
Magid, Andy R.
1973
A van Kampen theorem for separable algebras. Zbl 0269.13003
Magid, Andy R.
1973
The separable closure of some commutative rings. Zbl 0248.13003
Magid, Andy R.
1972
Abelian extensions of rings of positive characteristic. Zbl 0233.13001
Magid, Andy R.
1972
A separably closed ring with nonzero torsion Pic. Zbl 0246.13007
Magid, Andy R.
1972
Pierce’s representation and separable algebras. Zbl 0204.05904
Magid, A. R.
1971
Galois groupoids. Zbl 0215.36703
Magid, A. R.
1971
Locally Galois algebras. Zbl 0198.06301
Magid, A. R.
1970
Commutative algebras of Hochschild dimension one. Zbl 0189.03905
Magid, A. R.
1970
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#### Cited in 96 Serials

 44 Journal of Algebra 27 Journal of Pure and Applied Algebra 23 Proceedings of the American Mathematical Society 18 Transactions of the American Mathematical Society 13 Communications in Algebra 8 Israel Journal of Mathematics 8 Advances in Mathematics 8 Mathematische Annalen 7 Geometriae Dedicata 7 Geometry & Topology 7 Algebraic & Geometric Topology 6 Annales de l’Institut Fourier 6 Duke Mathematical Journal 6 Inventiones Mathematicae 6 Annales de la Faculté des Sciences de Toulouse. Mathématiques. Série VI 5 Compositio Mathematica 4 Journal of Symbolic Computation 4 Journal of Knot Theory and its Ramifications 3 Beiträge zur Algebra und Geometrie 3 Journal of Functional Analysis 3 Journal of Soviet Mathematics 3 The Journal of Symbolic Logic 3 Mathematische Zeitschrift 3 Memoirs of the American Mathematical Society 3 Advances in Applied Mathematics 3 Indagationes Mathematicae. New Series 3 Journal of Mathematical Sciences (New York) 3 Journal of the European Mathematical Society (JEMS) 3 JP Journal of Algebra, Number Theory and Applications 3 Journal of Algebra and its Applications 3 Proceedings of the Steklov Institute of Mathematics 2 Archiv der Mathematik 2 Siberian Mathematical Journal 2 Topology and its Applications 2 $$K$$-Theory 2 Journal of the American Mathematical Society 2 International Journal of Algebra and Computation 2 Bulletin of the American Mathematical Society. New Series 2 Journal de Théorie des Nombres de Bordeaux 2 Journal of Group Theory 2 Algebras and Representation Theory 2 Annals of Mathematics. Second Series 2 Comptes Rendus. Mathématique. Académie des Sciences, Paris 2 Bulletin of Mathematical Sciences 1 American Mathematical Monthly 1 Communications in Mathematical Physics 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Reports on Mathematical Physics 1 Russian Mathematical Surveys 1 Mathematics of Computation 1 Chaos, Solitons and Fractals 1 Journal of Geometry and Physics 1 The Mathematical Intelligencer 1 Acta Mathematica Vietnamica 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Annales Scientifiques de l’École Normale Supérieure. Quatrième Série 1 Bulletin de la Société Mathématique de France 1 Fundamenta Mathematicae 1 Glasgow Mathematical Journal 1 Publications Mathématiques 1 Journal für die Reine und Angewandte Mathematik 1 Kodai Mathematical Journal 1 Manuscripta Mathematica 1 Mathematics and Computers in Simulation 1 Mathematica Slovaca 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 Ergodic Theory and Dynamical Systems 1 International Journal of Mathematics 1 Geometric and Functional Analysis. GAFA 1 Journal of Contemporary Mathematical Analysis. Armenian Academy of Sciences 1 Aequationes Mathematicae 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Linear Algebra and its Applications 1 Expositiones Mathematicae 1 Experimental Mathematics 1 Journal of Algebraic Geometry 1 Applied Categorical Structures 1 Annales Mathématiques Blaise Pascal 1 Selecta Mathematica. New Series 1 Bulletin des Sciences Mathématiques 1 The Bulletin of Symbolic Logic 1 Integral Transforms and Special Functions 1 Discrete and Continuous Dynamical Systems 1 Conformal Geometry and Dynamics 1 Trudy Instituta Matematiki 1 Cahiers de Topologie et Géométrie Différentielle Catégoriques 1 Sibirskie Èlektronnye Matematicheskie Izvestiya 1 Groups, Geometry, and Dynamics 1 Journal of Homotopy and Related Structures 1 Journal of Topology and Analysis 1 Bollettino dell’Unione Matematica Italiana 1 Winter Braids Lecture Notes 1 Zhurnal Belorusskogo Gosudarstvennogo Universiteta. Matematika. Informatika
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#### Cited in 35 Fields

 121 Algebraic geometry (14-XX) 112 Group theory and generalizations (20-XX) 61 Field theory and polynomials (12-XX) 58 Commutative algebra (13-XX) 55 Manifolds and cell complexes (57-XX) 51 Associative rings and algebras (16-XX) 28 Number theory (11-XX) 26 Topological groups, Lie groups (22-XX) 24 Category theory; homological algebra (18-XX) 22 Ordinary differential equations (34-XX) 15 Nonassociative rings and algebras (17-XX) 15 Several complex variables and analytic spaces (32-XX) 12 Differential geometry (53-XX) 12 Algebraic topology (55-XX) 8 Dynamical systems and ergodic theory (37-XX) 7 Mathematical logic and foundations (03-XX) 7 Functional analysis (46-XX) 6 Functions of a complex variable (30-XX) 5 Global analysis, analysis on manifolds (58-XX) 4 $$K$$-theory (19-XX) 4 Computer science (68-XX) 4 Mechanics of particles and systems (70-XX) 3 Partial differential equations (35-XX) 3 General topology (54-XX) 2 General algebraic systems (08-XX) 2 Numerical analysis (65-XX) 1 General and overarching topics; collections (00-XX) 1 Combinatorics (05-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Potential theory (31-XX) 1 Difference and functional equations (39-XX) 1 Integral transforms, operational calculus (44-XX) 1 Operator theory (47-XX) 1 Geometry (51-XX) 1 Quantum theory (81-XX)

#### Wikidata Timeline

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