Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Contents of Volume 130, Number 5
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A generalization of the non-triviality theorem of Serre: Stephan Klaus; Proc. Amer. Math. Soc. 130 (2002), 1249-1256; DOI: https://doi.org/10.1090/S0002-9939-01-06441-3; Published electronically: December 20, 2001; PDF

Counting generic genus–$0$ curves on Hirzebruch surfaces: Holger Spielberg; Proc. Amer. Math. Soc. 130 (2002), 1257-1264; DOI: https://doi.org/10.1090/S0002-9939-01-06418-8; Published electronically: December 27, 2001; PDF

Evaluations of initial ideals and Castelnuovo-Mumford regularity: Ngô Viêt Trung; Proc. Amer. Math. Soc. 130 (2002), 1265-1274; DOI: https://doi.org/10.1090/S0002-9939-01-06216-5; Published electronically: October 5, 2001; PDF

On the class number of certain imaginary quadratic fields: J. H. E. Cohn; Proc. Amer. Math. Soc. 130 (2002), 1275-1277; DOI: https://doi.org/10.1090/S0002-9939-01-06255-4; Published electronically: October 5, 2001; PDF

Commutator inequalities associated with the polar decomposition: Fuad Kittaneh; Proc. Amer. Math. Soc. 130 (2002), 1279-1283; DOI: https://doi.org/10.1090/S0002-9939-01-06197-4; Published electronically: October 12, 2001; PDF

Flat covers and cotorsion envelopes of sheaves: Edgar Enochs and Luis Oyonarte; Proc. Amer. Math. Soc. 130 (2002), 1285-1292; DOI: https://doi.org/10.1090/S0002-9939-01-06190-1; Published electronically: October 24, 2001; PDF

A new statistic for the $3x+1$ problem: David Gluck and Brian D. Taylor; Proc. Amer. Math. Soc. 130 (2002), 1293-1301; DOI: https://doi.org/10.1090/S0002-9939-01-06305-5; Published electronically: November 9, 2001; PDF

Generic, almost primitive and test elements of free Lie algebras: Alexander A. Mikhalev, Ualbai Umirbaev and Jie-Tai Yu; Proc. Amer. Math. Soc. 130 (2002), 1303-1310; DOI: https://doi.org/10.1090/S0002-9939-01-06203-7; Published electronically: December 20, 2001; PDF

Triangular derivations related to problems on affine $n$-space: Arno van den Essen and Peter van Rossum; Proc. Amer. Math. Soc. 130 (2002), 1311-1322; DOI: https://doi.org/10.1090/S0002-9939-01-06212-8; Published electronically: October 23, 2001; PDF

Simple algebras of Weyl type, II: Kaiming Zhao; Proc. Amer. Math. Soc. 130 (2002), 1323-1332; DOI: https://doi.org/10.1090/S0002-9939-01-06218-9; Published electronically: October 25, 2001; PDF

Relative Brauer groups and $m$-torsion: Eli Aljadeff and Jack Sonn; Proc. Amer. Math. Soc. 130 (2002), 1333-1337; DOI: https://doi.org/10.1090/S0002-9939-01-06286-4; Published electronically: November 9, 2001; PDF

Hölder estimates of solutions to a degenerate diffusion equation: Yunguang Lu; Proc. Amer. Math. Soc. 130 (2002), 1339-1343; DOI: https://doi.org/10.1090/S0002-9939-01-06312-2; Published electronically: December 20, 2001; PDF

Periodic solutions in periodic state-dependent delay equations and population models: Yongkun Li and Yang Kuang; Proc. Amer. Math. Soc. 130 (2002), 1345-1353; DOI: https://doi.org/10.1090/S0002-9939-01-06444-9; Published electronically: December 27, 2001; PDF

Approximation with interpolatory constraints: H. N. Mhaskar, F. J. Narcowich, N. Sivakumar and J. D. Ward; Proc. Amer. Math. Soc. 130 (2002), 1355-1364; DOI: https://doi.org/10.1090/S0002-9939-01-06240-2; Published electronically: December 27, 2001; PDF

Fredholmness and invertibility of Toeplitz operators with matrix almost periodic symbols: Leiba Rodman, Ilya M. Spitkovsky and Hugo J. Woerdeman; Proc. Amer. Math. Soc. 130 (2002), 1365-1370; DOI: https://doi.org/10.1090/S0002-9939-01-06276-1; Published electronically: September 19, 2001; PDF

On the failure of the factorization condition for non-degenerate Fourier integral operators: Michael Ruzhansky; Proc. Amer. Math. Soc. 130 (2002), 1371-1376; DOI: https://doi.org/10.1090/S0002-9939-01-06210-4; Published electronically: October 12, 2001; PDF

Critical points of the area functional of a complex closed curve on the manifold of Kähler metrics: Abel Castorena; Proc. Amer. Math. Soc. 130 (2002), 1377-1381; DOI: https://doi.org/10.1090/S0002-9939-01-06389-4; Published electronically: December 20, 2001; PDF

Local boundary dilatation of quasiconformal maps in the disk: Guizhen Cui and Yi Qi; Proc. Amer. Math. Soc. 130 (2002), 1383-1389; DOI: https://doi.org/10.1090/S0002-9939-01-06353-5; Published electronically: October 17, 2001; PDF

On semiprojectivity of $C^*$-algebras of directed graphs: Wojciech Szymański; Proc. Amer. Math. Soc. 130 (2002), 1391-1399; DOI: https://doi.org/10.1090/S0002-9939-01-06282-7; Published electronically: October 12, 2001; PDF

The extension of positive definite operator-valued functions defined on a symmetric interval of an ordered group: Mihály Bakonyi; Proc. Amer. Math. Soc. 130 (2002), 1401-1406; DOI: https://doi.org/10.1090/S0002-9939-01-06288-8; Published electronically: October 12, 2001; PDF

Semigroups of mappings with rigid Lipschitz constant: Enrique Llorens-Fuster; Proc. Amer. Math. Soc. 130 (2002), 1407-1412; DOI: https://doi.org/10.1090/S0002-9939-01-06333-X; Published electronically: October 5, 2001; PDF

Existence of multiwavelets in $\mathbb {R}^n$: Carlos A. Cabrelli and María Luisa Gordillo; Proc. Amer. Math. Soc. 130 (2002), 1413-1424; DOI: https://doi.org/10.1090/S0002-9939-01-06223-2; Published electronically: October 12, 2001; PDF

Ultrastability of ideals of homogeneous polynomials and multilinear mappings on Banach spaces: Klaus Floret and Stephan Hunfeld; Proc. Amer. Math. Soc. 130 (2002), 1425-1435; DOI: https://doi.org/10.1090/S0002-9939-01-06228-1; Published electronically: December 27, 2001; PDF

A uniqueness result concerning Schur ideals: James P. Solazzo; Proc. Amer. Math. Soc. 130 (2002), 1437-1445; DOI: https://doi.org/10.1090/S0002-9939-01-06211-6; Published electronically: October 12, 2001; PDF

The range of operators on von Neumann algebras: Teresa Bermúdez and N. J. Kalton; Proc. Amer. Math. Soc. 130 (2002), 1447-1455; DOI: https://doi.org/10.1090/S0002-9939-01-06292-X; Published electronically: October 24, 2001; PDF

Parallel tangent hyperplanes: Sol Schwartzman; Proc. Amer. Math. Soc. 130 (2002), 1457-1458; DOI: https://doi.org/10.1090/S0002-9939-01-06522-4; Published electronically: December 27, 2001; PDF

Minimal Lagrangian submanifolds with constant sectional curvature in indefinite complex space forms: Luc Vrancken; Proc. Amer. Math. Soc. 130 (2002), 1459-1466; DOI: https://doi.org/10.1090/S0002-9939-01-06213-X; Published electronically: October 17, 2001; PDF

An isoperimetric comparison theorem for Schwarzschild space and other manifolds: Hubert Bray and Frank Morgan; Proc. Amer. Math. Soc. 130 (2002), 1467-1472; DOI: https://doi.org/10.1090/S0002-9939-01-06186-X; Published electronically: December 20, 2001; PDF

Proof of the prime power conjecture for projective planes of order $n$ with abelian collineation groups of order $n^2$: Aart Blokhuis, Dieter Jungnickel and Bernhard Schmidt; Proc. Amer. Math. Soc. 130 (2002), 1473-1476; DOI: https://doi.org/10.1090/S0002-9939-01-06388-2; Published electronically: December 20, 2001; PDF

Directive trees and games on posets: Tetsuya Ishiu and Yasuo Yoshinobu; Proc. Amer. Math. Soc. 130 (2002), 1477-1485; DOI: https://doi.org/10.1090/S0002-9939-01-06235-9; Published electronically: October 12, 2001; PDF

A combinatorial property of cardinals: Péter Komjáth and Miklós Laczkovich; Proc. Amer. Math. Soc. 130 (2002), 1487-1491; DOI: https://doi.org/10.1090/S0002-9939-01-06198-6; Published electronically: October 23, 2001; PDF

Central limit theorem for Banach space valued fuzzy random variables: Frank N. Proske and Madan L. Puri; Proc. Amer. Math. Soc. 130 (2002), 1493-1501; DOI: https://doi.org/10.1090/S0002-9939-01-06208-6; Published electronically: October 23, 2001; PDF

On an adjoint functor to the Thom functor: Yuli B. Rudyak; Proc. Amer. Math. Soc. 130 (2002), 1503-1506; DOI: https://doi.org/10.1090/S0002-9939-01-06415-2; Published electronically: December 20, 2001; PDF

Normal characteristic numbers: R. E. Stong; Proc. Amer. Math. Soc. 130 (2002), 1507-1513; DOI: https://doi.org/10.1090/S0002-9939-01-06419-X; Published electronically: December 20, 2001; PDF

The fundamental groups of one-dimensional wild spaces and the Hawaiian earring: Katsuya Eda; Proc. Amer. Math. Soc. 130 (2002), 1515-1522; DOI: https://doi.org/10.1090/S0002-9939-01-06431-0; Published electronically: November 9, 2001; PDF

Immersions of surfaces in almost–complex 4–manifolds: Christian Bohr; Proc. Amer. Math. Soc. 130 (2002), 1523-1532; DOI: https://doi.org/10.1090/S0002-9939-01-06185-8; Published electronically: October 5, 2001; PDF

L$^{p}$ estimates on functions of Markov operators: Michel Marias; Proc. Amer. Math. Soc. 130 (2002), 1533-1537; DOI: https://doi.org/10.1090/S0002-9939-01-06202-5; Published electronically: October 5, 2001; PDF

On a theorem of Jaworowski on locally equivariant contractible spaces: Sergei M. Ageev and Dušan Repovš; Proc. Amer. Math. Soc. 130 (2002), 1539-1550; DOI: https://doi.org/10.1090/S0002-9939-01-06184-6; Published electronically: October 5, 2001; PDF

New examples of non–slice, algebraically slice knots: Charles Livingston; Proc. Amer. Math. Soc. 130 (2002), 1551-1555; DOI: https://doi.org/10.1090/S0002-9939-01-06201-3; Published electronically: October 12, 2001; PDF

From $K(n+1)_*(X)$ to $K(n)_*(X)$: Norihiko Minami; Proc. Amer. Math. Soc. 130 (2002), 1557-1562; DOI: https://doi.org/10.1090/S0002-9939-01-06374-2; Published electronically: October 12, 2001; PDF