Contents of Volume 131, Number 2

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On pro-unipotent groups satisfying the Golod--Shafarevich condition

M. Kassabov
Proc. Amer. Math. Soc. 131 (2003), 329-336.
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The influence of minimal subgroups on the structure of a finite group

Yangming Li; Yanming Wang
Proc. Amer. Math. Soc. 131 (2003), 337-341.
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A new invariant of stable equivalences of Morita type

Zygmunt Pogorzaly
Proc. Amer. Math. Soc. 131 (2003), 343-349.
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Correction to the paper ``Duality and flat base change on formal schemes''

Leovigildo Alonso Tarrío; Ana Jeremías López; Joseph Lipman
Proc. Amer. Math. Soc. 131 (2003), 351-357.
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A simple proof for the finiteness of GIT-quotients

Alexander Schmitt
Proc. Amer. Math. Soc. 131 (2003), 359-362.
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Nilpotency degree of cohomology rings in characteristic $p$

Pham Anh Minh
Proc. Amer. Math. Soc. 131 (2003), 363-368.
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Algebraic groups over finite fields, a quick proof of Lang's theorem

Peter Müller
Proc. Amer. Math. Soc. 131 (2003), 369-370.
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Fully transitive $p$-groups with finite first Ulm subgroup

Agnes T. Paras; Lutz Strüngmann
Proc. Amer. Math. Soc. 131 (2003), 371-377.
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Some results on extremal vectors and invariant subspaces

Per Enflo; Terje Hõim
Proc. Amer. Math. Soc. 131 (2003), 379-387.
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Differentiability and regularity of Lipschitzian mappings

Boris S. Mordukhovich; Bingwu Wang
Proc. Amer. Math. Soc. 131 (2003), 389-399.
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Harmonic Bergman functions as radial derivatives of Bergman functions

Boo Rim Choe; Hyungwoon Koo; HeungSu Yi
Proc. Amer. Math. Soc. 131 (2003), 401-408.
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On the number of zeros of certain harmonic polynomials

Dmitry Khavinson; Grzegorz Swiatek
Proc. Amer. Math. Soc. 131 (2003), 409-414.
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Nonexistence results for higher--order evolution partial differential inequalities

Gennady G. Laptev
Proc. Amer. Math. Soc. 131 (2003), 415-423.
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Triangulations and homology of Riemann surfaces

Peter Buser; Mika Seppälä
Proc. Amer. Math. Soc. 131 (2003), 425-432.
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Block bases of the Haar system as complemented subspaces of $L_p$, $2<p<\infty$

Dvir Kleper; Gideon Schechtman
Proc. Amer. Math. Soc. 131 (2003), 433-439.
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Soliton solutions for quasilinear Schrödinger equations, I

Jiaquan Liu; Zhi-Qiang Wang
Proc. Amer. Math. Soc. 131 (2003), 441-448.
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Exposed 2-homogeneous polynomials on Hilbert spaces

Sung Guen Kim; Sang Hun Lee
Proc. Amer. Math. Soc. 131 (2003), 449-453.
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$L^p$ regularity of averaging operators with higher fold singularities

Chan Woo Yang
Proc. Amer. Math. Soc. 131 (2003), 455-465.
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Endpoint estimates for certain commutators of fractional and singular integrals

Shanzhen Lu; Qiang Wu
Proc. Amer. Math. Soc. 131 (2003), 467-477.
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Hypercyclicity and supercyclicity for invertible bilateral weighted shifts

Nathan S. Feldman
Proc. Amer. Math. Soc. 131 (2003), 479-485.
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An infinite-time relaxation theorem for differential inclusions

Brian Ingalls; Eduardo D. Sontag; Yuan Wang
Proc. Amer. Math. Soc. 131 (2003), 487-499.
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Applications of phase plane analysis of a Liénard system to positive solutions of Schrödinger equations

Jitsuro Sugie; Naoto Yamaoka
Proc. Amer. Math. Soc. 131 (2003), 501-509.
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The $\ell^{1}$-indices of Tsirelson type spaces

Denny H. Leung; Wee-Kee Tang
Proc. Amer. Math. Soc. 131 (2003), 511-521.
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Irrational rotation numbers and unboundedness of solutions of the second order differential equations with asymmetric nonlinearities

Zaihong Wang
Proc. Amer. Math. Soc. 131 (2003), 523-531.
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A trace formula for isometric pairs

Rongwei Yang
Proc. Amer. Math. Soc. 131 (2003), 533-541.
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The Banach envelope of Paley-Wiener type spaces

Mark Hoffmann
Proc. Amer. Math. Soc. 131 (2003), 543-548.
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On the Albanese maps of compact Kähler manifolds

F. Campana; T. Peternell; Qi Zhang
Proc. Amer. Math. Soc. 131 (2003), 549-553.
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Locally pre-$C$*-equivalent algebras

Wei Wu
Proc. Amer. Math. Soc. 131 (2003), 555-562.
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On the boundedness of Hamiltonian operators

Tomas Ya. Azizov; Aad Dijksma; Irina V. Gridneva
Proc. Amer. Math. Soc. 131 (2003), 563-576.
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Multiple symmetric positive solutions of a class of boundary value problems for higher order ordinary differential equations

John R. Graef; Chuanxi Qian; Bo Yang
Proc. Amer. Math. Soc. 131 (2003), 577-585.
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Mbekhta's subspaces and a spectral theory of compact operators

Weibang Gong; Libin Wang
Proc. Amer. Math. Soc. 131 (2003), 587-592.
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Generalized Schwarz-Pick estimates

Barbara D. MacCluer; Karel Stroethoff; Ruhan Zhao
Proc. Amer. Math. Soc. 131 (2003), 593-599.
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Adjoints of a class of composition operators

John N. Mc Donald
Proc. Amer. Math. Soc. 131 (2003), 601-606.
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The Kowalevski top as a reduction of a Hamiltonian system on $\mathfrak{sp}(4, \mathbb{R})^*$

C. Ivanescu; A. Savu
Proc. Amer. Math. Soc. 131 (2003), 607-618.
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Perfect cliques and $G_\delta$ colorings of Polish spaces

Wieslaw Kubis
Proc. Amer. Math. Soc. 131 (2003), 619-623.
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Remarks on small sets of reals

Tomek Bartoszynski
Proc. Amer. Math. Soc. 131 (2003), 625-630.
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A lower bound for sums of eigenvalues of the Laplacian

Antonios D. Melas
Proc. Amer. Math. Soc. 131 (2003), 631-636.
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Catégorie de Lusternik-Schnirelmann et genre des $H_0$-espaces

M. Cristina Costoya-Ramos
Proc. Amer. Math. Soc. 131 (2003), 637-645.
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A weakly Stegall space that is not a Stegall space

Warren B. Moors; Sivajah Somasundaram
Proc. Amer. Math. Soc. 131 (2003), 647-654.
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Knot modules and the Nakanishi index

C. Kearton; S. M. J. Wilson
Proc. Amer. Math. Soc. 131 (2003), 655-663.
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