Transactions of the American Mathematical Society

Contents of Volume 334, Number 1
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Transfinite graphs and electrical networks

A. H. Zemanian

Trans. Amer. Math. Soc. 334 (1992), 1-36

DOI: https://doi.org/10.1090/S0002-9947-1992-1066452-1

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Isotropy groups of homotopy classes of maps

G. Triantafillou

Trans. Amer. Math. Soc. 334 (1992), 37-48

DOI: https://doi.org/10.1090/S0002-9947-1992-1044966-8

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The classification of complete minimal surfaces with total curvature greater than $-12\pi$

Francisco J. López

Trans. Amer. Math. Soc. 334 (1992), 49-74

DOI: https://doi.org/10.1090/S0002-9947-1992-1058433-9

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Subcriticality and gaugeability of the Schrödinger operator

Z. Zhao

Trans. Amer. Math. Soc. 334 (1992), 75-96

DOI: https://doi.org/10.1090/S0002-9947-1992-1068934-5

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QED domains and NED sets in $\mathbf {\overline {R}}^ n$

Shan Shuang Yang

Trans. Amer. Math. Soc. 334 (1992), 97-120

DOI: https://doi.org/10.1090/S0002-9947-1992-1065605-6

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Mixed groups

Paul Hill and Charles Megibben

Trans. Amer. Math. Soc. 334 (1992), 121-142

DOI: https://doi.org/10.1090/S0002-9947-1992-1116315-8

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Central extensions of current algebras

Paul Zusmanovich

Trans. Amer. Math. Soc. 334 (1992), 143-152

DOI: https://doi.org/10.1090/S0002-9947-1992-1069751-2

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Subgroup conditions for groups acting freely on products of spheres

Judith H. Silverman

Trans. Amer. Math. Soc. 334 (1992), 153-181

DOI: https://doi.org/10.1090/S0002-9947-1992-1100700-4

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Meromorphic extension of analytic continued fractions across their divergence line with applications to orthogonal polynomials

Hans-J. Runckel

Trans. Amer. Math. Soc. 334 (1992), 183-212

DOI: https://doi.org/10.1090/S0002-9947-1992-1072106-8

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Characteristic cycles of holomorphic discrete series

Jen-Tseh Chang

Trans. Amer. Math. Soc. 334 (1992), 213-227

DOI: https://doi.org/10.1090/S0002-9947-1992-1087052-3

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On conjugacy separability of fundamental groups of graphs of groups

M. Shirvani

Trans. Amer. Math. Soc. 334 (1992), 229-243

DOI: https://doi.org/10.1090/S0002-9947-1992-1102891-8

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Fundamental solutions for hypoelliptic differential operators depending analytically on a parameter

Frank Mantlik

Trans. Amer. Math. Soc. 334 (1992), 245-257

DOI: https://doi.org/10.1090/S0002-9947-1992-1107027-5

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Delta methods in enveloping algebras of Lie superalgebras

Jeffrey Bergen and D. S. Passman

Trans. Amer. Math. Soc. 334 (1992), 259-280

DOI: https://doi.org/10.1090/S0002-9947-1992-1076611-X

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Generalized second-order derivatives of convex functions in reflexive Banach spaces

Chi Ngoc Do

Trans. Amer. Math. Soc. 334 (1992), 281-301

DOI: https://doi.org/10.1090/S0002-9947-1992-1088019-1

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Nonnegative curvature on piecewise constant curvature spaces

Robert Peszek

Trans. Amer. Math. Soc. 334 (1992), 303-315

DOI: https://doi.org/10.1090/S0002-9947-1992-1059712-1

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Strong Tutte functions of matroids and graphs

Thomas Zaslavsky

Trans. Amer. Math. Soc. 334 (1992), 317-347

DOI: https://doi.org/10.1090/S0002-9947-1992-1080738-6

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$\Sigma _ n$ definable sets without $\Sigma _ n$ induction

C. T. Chong and K. J. Mourad

Trans. Amer. Math. Soc. 334 (1992), 349-363

DOI: https://doi.org/10.1090/S0002-9947-1992-1117216-1

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Cohomological aspects of hypergraphs

F. R. K. Chung and R. L. Graham

Trans. Amer. Math. Soc. 334 (1992), 365-388

DOI: https://doi.org/10.1090/S0002-9947-1992-1089416-0

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Algebra for Heckoid groups

Robert Riley

Trans. Amer. Math. Soc. 334 (1992), 389-409

DOI: https://doi.org/10.1090/S0002-9947-1992-1107029-9

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Universal spaces for $\textbf {R}$-trees

John C. Mayer, Jacek Nikiel and Lex G. Oversteegen

Trans. Amer. Math. Soc. 334 (1992), 411-432

DOI: https://doi.org/10.1090/S0002-9947-1992-1081940-X

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Geometric aspects of reduction of order

James Sherring and Geoff Prince

Trans. Amer. Math. Soc. 334 (1992), 433-453

DOI: https://doi.org/10.1090/S0002-9947-1992-1149125-6

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Stable-homotopy and homology invariants of boundary links

Michael Farber

Trans. Amer. Math. Soc. 334 (1992), 455-477

DOI: https://doi.org/10.1090/S0002-9947-1992-1079054-8

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