Contents of Volume 105, Number 2

All articles in this issue are freely accessible.

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Factorization of matrices into partial isometries

Kung Hwang Kuo and Pei Yuan Wu.
Proc. Amer. Math. Soc. 105 (1989), 263-272
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MathSciNet review: 977922

On the values at negative half-integers of the Dedekind zeta function of a real quadratic field

Min King Eie.
Proc. Amer. Math. Soc. 105 (1989), 273-280
Abstract, references and article information
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MathSciNet review: 977923

A note on Jacobson rings and polynomial rings

Miguel Ferrero and Michael M. Parmenter.
Proc. Amer. Math. Soc. 105 (1989), 281-286
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MathSciNet review: 929416

A Lie property in group rings

Antonino Giambruno and Sudarshan K. Sehgal.
Proc. Amer. Math. Soc. 105 (1989), 287-292
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MathSciNet review: 929415

Invariants for a class of torsion-free abelian groups

D. Arnold and C. Vinsonhaler.
Proc. Amer. Math. Soc. 105 (1989), 293-300
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MathSciNet review: 935102

The number of indecomposable sequences over an Artin algebra of finite type

Stephen P. Corwin.
Proc. Amer. Math. Soc. 105 (1989), 301-304
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MathSciNet review: 948148

On the nonsimplicity of some convergence categories

E. Lowen and R. Lowen.
Proc. Amer. Math. Soc. 105 (1989), 305-308
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MathSciNet review: 936777

Artinian duo rings and self-duality

Wei Min Xue.
Proc. Amer. Math. Soc. 105 (1989), 309-313
Abstract, references and article information
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MathSciNet review: 938916

A characterization of weak pseudoconvexity

Akira Sakai.
Proc. Amer. Math. Soc. 105 (1989), 314-316
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MathSciNet review: 933520

On a domain characterization of Schrödinger operators with gradient magnetic vector potentials and singular potentials

Jerome A. Goldstein and Roman Svirsky.
Proc. Amer. Math. Soc. 105 (1989), 317-323
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MathSciNet review: 931731

Coefficients of symmetric functions of bounded boundary rotation

Wolfram Koepf.
Proc. Amer. Math. Soc. 105 (1989), 324-329
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MathSciNet review: 930244

Completely bounded linear extensions of operator-valued functions on $^{*}$-semigroups

Ching Yun Suen.
Proc. Amer. Math. Soc. 105 (1989), 330-334
Abstract, references and article information
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MathSciNet review: 931737

A recurrence related to trees

Donald E. Knuth and Boris Pittel.
Proc. Amer. Math. Soc. 105 (1989), 335-349
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MathSciNet review: 949878

On projections in power series spaces and the existence of bases

Jörg Krone.
Proc. Amer. Math. Soc. 105 (1989), 350-355
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MathSciNet review: 933516

On compact and bounding holomorphic mappings

Mikael Lindström.
Proc. Amer. Math. Soc. 105 (1989), 356-361
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MathSciNet review: 933517

Sums and products of Hilbert spaces

Jesús M. F. Castillo.
Proc. Amer. Math. Soc. 105 (1989), 362-366
Abstract, references and article information
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MathSciNet review: 935103

Well-bounded and scalar-type spectral operators on spaces not containing $c_{0}$

Ian Doust.
Proc. Amer. Math. Soc. 105 (1989), 367-370
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MathSciNet review: 939963

Powers’s binary shifts on the hyperfinite factor of type $II_{1}$

Masatoshi Enomoto and Yasuo Watatani.
Proc. Amer. Math. Soc. 105 (1989), 371-374
Abstract, references and article information
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MathSciNet review: 938911

Lack of uniform stabilization for noncontractive semigroups under compact perturbation

R. Triggiani.
Proc. Amer. Math. Soc. 105 (1989), 375-383
Abstract, references and article information
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MathSciNet review: 953013

Some Fourier-Stieltjes coefficients revisited

Sylvester Reese.
Proc. Amer. Math. Soc. 105 (1989), 384-386
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MathSciNet review: 938913

Approximation of analytic multifunctions

Zbigniew Slodkowski.
Proc. Amer. Math. Soc. 105 (1989), 387-396
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MathSciNet review: 977924

A generalized Poincaré inequality for Gaussian measures

William Beckner.
Proc. Amer. Math. Soc. 105 (1989), 397-400
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MathSciNet review: 954373

$L^{2}$-boundedness of spherical maximal operators with multidimensional parameter sets

Young-Hwa Ha.
Proc. Amer. Math. Soc. 105 (1989), 401-411
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MathSciNet review: 955460

On Tchebysheff systems

Kazuaki Kitahara.
Proc. Amer. Math. Soc. 105 (1989), 412-418
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MathSciNet review: 943794

Optimal lower bound for the gap between the first two eigenvalues of one-dimensional Schrödinger operators with symmetric single-well potentials

Mark S. Ashbaugh and Rafael Benguria.
Proc. Amer. Math. Soc. 105 (1989), 419-424
Abstract, references and article information
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MathSciNet review: 942630

A characterization of complex hypersurfaces in $C^{m}$

Marcos Dajczer.
Proc. Amer. Math. Soc. 105 (1989), 425-428
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MathSciNet review: 946632

Finiteness of index and total scalar curvature for minimal hypersurfaces

Johan Tysk.
Proc. Amer. Math. Soc. 105 (1989), 429-435
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MathSciNet review: 946639

Preorders compatible with probability measures defined on a Boolean algebra

M. G. Schwarze.
Proc. Amer. Math. Soc. 105 (1989), 436-442
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MathSciNet review: 935109

A counterexample to the conjecture of Woess on simple random walks on trees

Kenneth A. Berman and Mokhtar Konsowa.
Proc. Amer. Math. Soc. 105 (1989), 443-449
Abstract, references and article information
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MathSciNet review: 936772

Conditional Yeh-Wiener integrals with vector-valued conditioning functions

Chull Park and David Skoug.
Proc. Amer. Math. Soc. 105 (1989), 450-461
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MathSciNet review: 960650

There can be $C^{*}$-embedded dense proper subspaces in $𝛽𝜔-𝜔$

Eric K. van Douwen, Kenneth Kunen and Jan van Mill.
Proc. Amer. Math. Soc. 105 (1989), 462-470
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MathSciNet review: 977925

Generalized unknotting operations and tangle decompositions

Tsuyoshi Kobayashi.
Proc. Amer. Math. Soc. 105 (1989), 471-478
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MathSciNet review: 977926

Smooth $2$-knots in $S^{2}×S^{2}$ with simply-connected complements are topologically unique

Yoshihisa Sato.
Proc. Amer. Math. Soc. 105 (1989), 479-485
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MathSciNet review: 940880

Fibrations that are cofibrations. II

Juan M. Alonso.
Proc. Amer. Math. Soc. 105 (1989), 486-490
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MathSciNet review: 977927

Dimension of dense subalgebras of $C(X)$

Juan B. Sancho de Salas and Ma. Teresa Sancho de Salas.
Proc. Amer. Math. Soc. 105 (1989), 491-499
Abstract, references and article information
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MathSciNet review: 929426

$𝜅$-metrizable spaces, stratifiable spaces and metrization

J. Suzuki, K. Tamano and Y. Tanaka.
Proc. Amer. Math. Soc. 105 (1989), 500-509
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MathSciNet review: 933521

A remark on the normality of infinite products

Keiko Chiba.
Proc. Amer. Math. Soc. 105 (1989), 510-512
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MathSciNet review: 933513

A $4$-color theorem for surfaces of genus $g$

Kenneth A. Berman and Jerome L. Paul.
Proc. Amer. Math. Soc. 105 (1989), 513-522
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MathSciNet review: 949874

Functions of exponential type and separated sequences

David C. Ullrich.
Proc. Amer. Math. Soc. 105 (1989), 523-524
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MathSciNet review: 977928