Contents of Volume 127, Number 12

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Invariant measures for certain linear fractional transformations mod 1

Karlheinz Gröchenig; Andrew Haas
Proc. Amer. Math. Soc. 127 (1999), 3439-3444.
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An embedding theorem for Lie algebras

Anetta Bajer; Jon F. Carlson
Proc. Amer. Math. Soc. 127 (1999), 3445-3449.
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Focal loci of families and the genus of curves on surfaces

Luca Chiantini; Angelo Felice Lopez
Proc. Amer. Math. Soc. 127 (1999), 3451-3459.
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Existence of homogeneous ideals fitting into long Bourbaki sequences

Mutsumi Amasaki
Proc. Amer. Math. Soc. 127 (1999), 3461-3466.
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The $K$-homology class of the Euler characteristic operator is trivial

Jonathan Rosenberg
Proc. Amer. Math. Soc. 127 (1999), 3467-3474.
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On tightness and depth in superatomic Boolean algebras

Saharon Shelah; Otmar Spinas
Proc. Amer. Math. Soc. 127 (1999), 3475-3480.
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The Diophantine equation $b^2X^4-dY^2=1$

Michael A. Bennett; Gary Walsh
Proc. Amer. Math. Soc. 127 (1999), 3481-3491.
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Toric degenerations and vector bundles

Joseph Gubeladze
Proc. Amer. Math. Soc. 127 (1999), 3493-3494.
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Catenarity in module-finite algebras

Shiro Goto; Kenji Nishida
Proc. Amer. Math. Soc. 127 (1999), 3495-3502.
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Derivations and the integral closure of ideals

Reinhold Hübl; Appendix by Irena Swanson
Proc. Amer. Math. Soc. 127 (1999), 3503-3511.
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A morphism of intersection homology induced by an algebraic map

Andrzej Weber
Proc. Amer. Math. Soc. 127 (1999), 3513-3516.
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$\mathbf{Z}_n$-graded polynomial identities of the full matrix algebra of order $n$

Sergei Yu. Vasilovsky
Proc. Amer. Math. Soc. 127 (1999), 3517-3524.
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An analytic invariant of ordinary curve singularities

Joaquim Roé
Proc. Amer. Math. Soc. 127 (1999), 3525-3526.
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Uniqueness theorem for a Cauchy problem with hysteresis

Jana Kopfová
Proc. Amer. Math. Soc. 127 (1999), 3527-3532.
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On X-ray transforms for rigid line complexes and integrals over curves in $\mathbb{R}^4$

Allan Greenleaf; Andreas Seeger; Stephen Wainger
Proc. Amer. Math. Soc. 127 (1999), 3533-3545.
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Lacunary sets based on Lorentz spaces

Raymond J. Grinnell
Proc. Amer. Math. Soc. 127 (1999), 3547-3556.
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Nonlinear alternatives for multivalued maps with applications to operator inclusions in abstract spaces

Donal O'Regan
Proc. Amer. Math. Soc. 127 (1999), 3557-3564.
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An uncertainty inequality involving $L^1$ norms

Enrico Laeng; Carlo Morpurgo
Proc. Amer. Math. Soc. 127 (1999), 3565-3572.
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Stability of the fixed point property of Hilbert spaces

Pei-Kee Lin
Proc. Amer. Math. Soc. 127 (1999), 3573-3581.
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Irreducible representations of the Cuntz algebra $\mathcal{O}_N$

Eui-Chai Jeong
Proc. Amer. Math. Soc. 127 (1999), 3583-3590.
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Convolution with affine arclength measures in the plane

Daniel M. Oberlin
Proc. Amer. Math. Soc. 127 (1999), 3591-3592.
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A reconstruction formula for band limited functions in $L_2(R^d)$

Isaac Pesenson
Proc. Amer. Math. Soc. 127 (1999), 3593-3600.
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Chaotic polynomials on Fréchet spaces

Alfredo Peris
Proc. Amer. Math. Soc. 127 (1999), 3601-3603.
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Spectral multiplier theorem for $H^1$ spaces associated with some Schrödinger operators

Jacek Dziubanski
Proc. Amer. Math. Soc. 127 (1999), 3605-3613.
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Decomposing symmetrically continuous and Sierpinski-Zygmund functions into continuous functions

Krzysztof Ciesielski
Proc. Amer. Math. Soc. 127 (1999), 3615-3622.
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Dimension of the global attractor for damped nonlinear wave equations

Zhou Shengfan
Proc. Amer. Math. Soc. 127 (1999), 3623-3631.
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Global attractor in autonomous competitive Lotka-Volterra systems

Zhanyuan Hou
Proc. Amer. Math. Soc. 127 (1999), 3633-3642.
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New parameters for Fuchsian groups of genus $2$

Bernard Maskit
Proc. Amer. Math. Soc. 127 (1999), 3643-3652.
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Entropy estimates for some $\mathbf{C}^\ast$-endomorphisms

Valentin Deaconu
Proc. Amer. Math. Soc. 127 (1999), 3653-3658.
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Products of orthogonal projections

Timur Oikhberg
Proc. Amer. Math. Soc. 127 (1999), 3659-3669.
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The connected stable rank of the purely infinite simple $C^*$-algebras

Yifeng Xue
Proc. Amer. Math. Soc. 127 (1999), 3671-3676.
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Convergence of the steepest descent method for accretive operators

Claudio H. Morales; Charles E. Chidume
Proc. Amer. Math. Soc. 127 (1999), 3677-3683.
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Morse indices and exact multiplicity of solutions to semilinear elliptic problems

Junping Shi; Junping Wang
Proc. Amer. Math. Soc. 127 (1999), 3685-3695.
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Tight contact structures via dynamics

John Etnyre; Robert Ghrist
Proc. Amer. Math. Soc. 127 (1999), 3697-3706.
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New $\Sigma^1_3$ facts

Sy D. Friedman
Proc. Amer. Math. Soc. 127 (1999), 3707-3709.
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Constructive models of uncountably categorical theories

Bernhard Herwig; Steffen Lempp; Martin Ziegler
Proc. Amer. Math. Soc. 127 (1999), 3711-3719.
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On a problem of Dynkin

Yuan-chung Sheu
Proc. Amer. Math. Soc. 127 (1999), 3721-3728.
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Openness and monotoneity of induced mappings

Wlodzimierz J. Charatonik
Proc. Amer. Math. Soc. 127 (1999), 3729-3731.
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Consonance and topological completeness in analytic spaces

Ahmed Bouziad
Proc. Amer. Math. Soc. 127 (1999), 3733-3737.
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Estimates of derivatives of the heat kernel on a compact Riemannian manifold

Elton P. Hsu
Proc. Amer. Math. Soc. 127 (1999), 3739-3744.
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