Contents of Volume 120, Number 4

All articles in this issue are freely accessible.

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Polynomial rings over Goldie-Kerr commutative rings

Carl Faith.
Proc. Amer. Math. Soc. 120 (1994), 989-993
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MathSciNet review: 1221723

Comparison of the lengths of the continued fractions of $√D$ and $\frac12(1+√D)$

Kenneth S. Williams and Nicholas Buck.
Proc. Amer. Math. Soc. 120 (1994), 995-1002
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MathSciNet review: 1169053

A cohomological class of vector bundles

Rosa M. Miró-Roig.
Proc. Amer. Math. Soc. 120 (1994), 1003-1008
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MathSciNet review: 1172953

The conjugacy problem for HNN extensions with infinite cyclic associated groups

K. J. Horadam and G. E. Farr.
Proc. Amer. Math. Soc. 120 (1994), 1009-1015
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MathSciNet review: 1185267

Regular sequences, projective dimension and criteria for regularity of local rings

P. Jothilingam and S. Mangayarcarassy.
Proc. Amer. Math. Soc. 120 (1994), 1017-1019
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MathSciNet review: 1170546

Fixed algebras of residually nilpotent Lie algebras

Vesselin Drensky.
Proc. Amer. Math. Soc. 120 (1994), 1021-1028
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MathSciNet review: 1181161

The associated graded ring and the index of a Gorenstein local ring

Songqing Ding.
Proc. Amer. Math. Soc. 120 (1994), 1029-1033
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MathSciNet review: 1181160

A necessary condition for an elliptic element to belong to a uniform tree lattice

Ying-Sheng Liu.
Proc. Amer. Math. Soc. 120 (1994), 1035-1039
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MathSciNet review: 1203988

On the metrical theory of continued fractions

R. Nair.
Proc. Amer. Math. Soc. 120 (1994), 1041-1046
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MathSciNet review: 1176073

Rates of growth of p.i. algebras

Allan Berele.
Proc. Amer. Math. Soc. 120 (1994), 1047-1048
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MathSciNet review: 1204370

On quasi-continuous rings

W. K. Nicholson and M. F. Yousif.
Proc. Amer. Math. Soc. 120 (1994), 1049-1051
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MathSciNet review: 1211586

$Q$-universal quasivarieties of algebras

M. E. Adams and W. Dziobiak.
Proc. Amer. Math. Soc. 120 (1994), 1053-1059
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MathSciNet review: 1172942

Exact covering systems and the Gauss-Legendre multiplication formula for the gamma function

John Beebee.
Proc. Amer. Math. Soc. 120 (1994), 1061-1065
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MathSciNet review: 1180463

A symmetry property of the Fréchet derivative

Roy Mathias.
Proc. Amer. Math. Soc. 120 (1994), 1067-1070
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MathSciNet review: 1216819

The structure of Johns rings

Carl Faith and Pere Menal.
Proc. Amer. Math. Soc. 120 (1994), 1071-1081
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MathSciNet review: 1231294

Nonunimodality of graded Gorenstein Artin algebras

Mats Boij and Dan Laksov.
Proc. Amer. Math. Soc. 120 (1994), 1083-1092
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MathSciNet review: 1227512

Factorization of positive cones of order $n$ of von Neumann algebras

Yasuhide Miura.
Proc. Amer. Math. Soc. 120 (1994), 1093-1100
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MathSciNet review: 1209426

A weighted inequality for the Kakeya maximal operator

A. M. Vargas.
Proc. Amer. Math. Soc. 120 (1994), 1101-1105
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MathSciNet review: 1170548

On the isometries of $H^{∞}_{E}(B)$

Yasuo Matsugu and Takahiko Yamada.
Proc. Amer. Math. Soc. 120 (1994), 1107-1112
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MathSciNet review: 1169883

Hankel operators on the Bergman space of the unit polydisc

Huiping Li.
Proc. Amer. Math. Soc. 120 (1994), 1113-1121
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MathSciNet review: 1176483

On Hosszú’s functional equation in distributions

E. L. Koh.
Proc. Amer. Math. Soc. 120 (1994), 1123-1129
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MathSciNet review: 1186990

On a definite integral of a hypergeometric function

Li-Chien Shen.
Proc. Amer. Math. Soc. 120 (1994), 1131-1136
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MathSciNet review: 1186995

Linear independence of iterates and meromorphic solutions of functional equations

Jens Peter Reus Christensen and Pal Fischer.
Proc. Amer. Math. Soc. 120 (1994), 1137-1143
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MathSciNet review: 1182697

The existence question in the calculus of variations: a density result

Arrigo Cellina and Carlo Mariconda.
Proc. Amer. Math. Soc. 120 (1994), 1145-1150
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MathSciNet review: 1174488

Entire propagator

L. Autret and H. Emamirad.
Proc. Amer. Math. Soc. 120 (1994), 1151-1158
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MathSciNet review: 1172945

Strongly exposed points in Lebesgue-Bochner function spaces

Zhibao Hu and Bor-Luh Lin.
Proc. Amer. Math. Soc. 120 (1994), 1159-1165
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MathSciNet review: 1176069

Complemented copies of $c_{0}$ in $L^{∞}(𝜇,E)$

Santiago Díaz.
Proc. Amer. Math. Soc. 120 (1994), 1167-1172
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MathSciNet review: 1189744

On supportless convex sets in incomplete normed spaces

V. P. Fonf.
Proc. Amer. Math. Soc. 120 (1994), 1173-1176
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MathSciNet review: 1216811

Sur les réflexions des courbes de Lavrentiev

Michel Zinsmeister.
Proc. Amer. Math. Soc. 120 (1994), 1177-1180
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MathSciNet review: 1172956

On the hypoellipticity of convolution equations in the ultradistribution spaces of $L^{q}$ growth

Dušanka Kovačević.
Proc. Amer. Math. Soc. 120 (1994), 1181-1190
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MathSciNet review: 1197540

Characterizations of bounded sets in spaces of ultradistributions

Stevan Pilipović.
Proc. Amer. Math. Soc. 120 (1994), 1191-1206
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MathSciNet review: 1211587

A disc-hull in $C^{2}$

H. Alexander.
Proc. Amer. Math. Soc. 120 (1994), 1207-1209
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MathSciNet review: 1179585

Examples of natural extensions of nonsingular endomorphisms

K. G. Dajani and J. M. Hawkins.
Proc. Amer. Math. Soc. 120 (1994), 1211-1217
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MathSciNet review: 1174489

Approximation by semi-Fredholm operators

Fernando Galaz-Fontes.
Proc. Amer. Math. Soc. 120 (1994), 1219-1222
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MathSciNet review: 1197536

Hypersurfaces with constant mean curvature in spheres

Hilário Alencar and Manfredo do Carmo.
Proc. Amer. Math. Soc. 120 (1994), 1223-1229
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MathSciNet review: 1172943

Local splitting theorems for Riemannian manifolds

M. Cai, G. J. Galloway and Z. Liu.
Proc. Amer. Math. Soc. 120 (1994), 1231-1239
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MathSciNet review: 1186984

Countable metacompactness in $Ψ$-spaces

Paul Szeptycki.
Proc. Amer. Math. Soc. 120 (1994), 1241-1246
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MathSciNet review: 1169890

Borel liftings of the measure algebra and the failure of the continuum hypothesis

T. Carlson, R. Frankiewicz and P. Zbierski.
Proc. Amer. Math. Soc. 120 (1994), 1247-1250
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MathSciNet review: 1176066

Comfort types of ultrafilters

Salvador García-Ferreira.
Proc. Amer. Math. Soc. 120 (1994), 1251-1260
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MathSciNet review: 1170543

Every needle point space contains a compact convex AR-set with no extreme points

Nguyen To Nhu and Le Hoang Tri.
Proc. Amer. Math. Soc. 120 (1994), 1261-1265
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MathSciNet review: 1152989

On the failure of the Urysohn-Menger sum formula for cohomological dimension

A. N. Dranišnikov, D. Repovš and E. V. Ščepin.
Proc. Amer. Math. Soc. 120 (1994), 1267-1270
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MathSciNet review: 1205488

Links with unlinking number one are prime

C. McA. Gordon and J. Luecke.
Proc. Amer. Math. Soc. 120 (1994), 1271-1274
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MathSciNet review: 1195721

A sufficient condition for surfaces in $3$-manifolds to have unique prime decompositions

Michael Motto.
Proc. Amer. Math. Soc. 120 (1994), 1275-1280
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MathSciNet review: 1195727

The volume of a hyperbolic $3$-manifold with Betti number $2$

Marc Culler and Peter B. Shalen.
Proc. Amer. Math. Soc. 120 (1994), 1281-1288
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MathSciNet review: 1205485

An infinite loop space machine for theories with noncontractible multiplication

Igor Kříž.
Proc. Amer. Math. Soc. 120 (1994), 1289-1298
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MathSciNet review: 1172959

Zero-dimensionality of some pseudocompact groups

Dikran Dikranjan.
Proc. Amer. Math. Soc. 120 (1994), 1299-1308
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MathSciNet review: 1185278

Existence of $𝜋_{1}$-negligible embeddings in $4$-manifolds. A correction to Theorem 10.5 of Freedmann and Quinn

Richard Stong.
Proc. Amer. Math. Soc. 120 (1994), 1309-1314
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MathSciNet review: 1215031

An explicit formula for fundamental solutions of linear partial differential equations with constant coefficients

Heinz König.
Proc. Amer. Math. Soc. 120 (1994), 1315-1318
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MathSciNet review: 1197539

Correction to: “On coefficient inequalities for meromorphic univalent functions” [Proc. Amer. Math. Soc. 114 (1992), no. 2, 413–422; MR1086333 (92e:30012)]

Li Quan Liu.
Proc. Amer. Math. Soc. 120 (1994), 1319
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MathSciNet review: 1195726