Contents of Volume 99, Number 2
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- Perfect congruences on a free monoid
- Mario Petrich and C. M. Reis
- Proc. Amer. Math. Soc. 99 (1987), 205-212
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870772-4
- On the number of squares in a group
- Ludomir Newelski
- Proc. Amer. Math. Soc. 99 (1987), 213-218
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870773-6
- Additive groups of $T$-rings
- George V. Wilson
- Proc. Amer. Math. Soc. 99 (1987), 219-220
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870774-8
- Covering étendues and Freyd’s theorem
- Kimmo I. Rosenthal
- Proc. Amer. Math. Soc. 99 (1987), 221-222
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870775-X
- On the average number of groups of square-free order
- Carl Pomerance
- Proc. Amer. Math. Soc. 99 (1987), 223-231
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870776-1
- Approximate identities and paracompactness
- R. A. Fontenot and R. F. Wheeler
- Proc. Amer. Math. Soc. 99 (1987), 232-236
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870777-3
- On an eigenvalue problem of Ahmad and Lazer for ordinary differential equations
- Marcellino Gaudenzi
- Proc. Amer. Math. Soc. 99 (1987), 237-243
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870778-5
- Weak spectral synthesis
- C. Robert Warner
- Proc. Amer. Math. Soc. 99 (1987), 244-248
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870779-7
- On the identity $L(E,F)=LB(E,F)$ for pairs of locally convex spaces $E$ and $F$
- José Bonet
- Proc. Amer. Math. Soc. 99 (1987), 249-255
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870780-3
- Arcangeli’s method for Fredholm equations of the first kind
- C. W. Groetsch and J. Guacaneme
- Proc. Amer. Math. Soc. 99 (1987), 256-260
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870781-5
- The Oseledec and Sacker-Sell spectra for almost periodic linear systems: an example
- Russell A. Johnson
- Proc. Amer. Math. Soc. 99 (1987), 261-267
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870782-7
- Invariant subspaces for operators in subalgebras of $L^ \infty (\mu )$
- Tavan T. Trent
- Proc. Amer. Math. Soc. 99 (1987), 268-272
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870783-9
- Jensen’s inequality for positive contractions on operator algebras
- Dénes Petz
- Proc. Amer. Math. Soc. 99 (1987), 273-277
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870784-0
- A counterexample to a problem on points of continuity in Banach spaces
- N. Ghoussoub, B. Maurey and W. Schachermayer
- Proc. Amer. Math. Soc. 99 (1987), 278-282
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870785-2
- Iterative approximation of fixed points of Lipschitzian strictly pseudocontractive mappings
- C. E. Chidume
- Proc. Amer. Math. Soc. 99 (1987), 283-288
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870786-4
- Continuity of derivations on some semiprime Banach algebra
- Ramesh V. Garimella
- Proc. Amer. Math. Soc. 99 (1987), 289-292
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870787-6
- Concerning polynomials on the unit interval
- Q. M. Tariq
- Proc. Amer. Math. Soc. 99 (1987), 293-296
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870788-8
- A generalization of Lyapounov’s convexity theorem to measures with atoms
- John Elton and Theodore P. Hill
- Proc. Amer. Math. Soc. 99 (1987), 297-304
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870789-X
- Radon’s problem for some surfaces in $\textbf {R}^ n$
- A. M. Cormack
- Proc. Amer. Math. Soc. 99 (1987), 305-312
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870790-6
- The mean curvature of a set of finite perimeter
- Elisabetta Barozzi, Eduardo Gonzalez and Italo Tamanini
- Proc. Amer. Math. Soc. 99 (1987), 313-316
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870791-8
- Spectra of the difference and product of projections
- Matjaž Omladič
- Proc. Amer. Math. Soc. 99 (1987), 317-318
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870792-X
- Removable sets of support points of convex sets in Banach spaces
- R. R. Phelps
- Proc. Amer. Math. Soc. 99 (1987), 319-322
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870793-1
- A maximum principle for quotient norms in $H^ \infty$
- Eric Hayashi
- Proc. Amer. Math. Soc. 99 (1987), 323-327
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870794-3
- Regular boundary elements
- Robin Harte
- Proc. Amer. Math. Soc. 99 (1987), 328-330
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870795-5
- Continuous functions on multipolar sets
- Ramasamy Jesuraj
- Proc. Amer. Math. Soc. 99 (1987), 331-339
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870796-7
- Extremal multilinear forms on Banach spaces
- I. Sarantopoulos
- Proc. Amer. Math. Soc. 99 (1987), 340-346
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870797-9
- A symbolic calculus for analytic Carleman classes
- Jamil A. Siddiqi and Mostéfa Ider
- Proc. Amer. Math. Soc. 99 (1987), 347-350
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870798-0
- Weak sequential denseness in Banach spaces
- J. Howard
- Proc. Amer. Math. Soc. 99 (1987), 351-352
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870799-2
- Uniqueness of positive solutions of the heat equation
- Harold Donnelly
- Proc. Amer. Math. Soc. 99 (1987), 353-356
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870800-6
- Metrics of negative curvature on vector bundles
- Michael T. Anderson
- Proc. Amer. Math. Soc. 99 (1987), 357-363
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870801-8
- An undecidability result for power series rings of positive characteristic
- Thanases Pheidas
- Proc. Amer. Math. Soc. 99 (1987), 364-366
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870802-X
- A differentially algebraic replacement theorem, and analog computability
- Leonard Lipshitz and Lee A. Rubel
- Proc. Amer. Math. Soc. 99 (1987), 367-372
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870803-1
- On the free genus of knots
- Yoav Moriah
- Proc. Amer. Math. Soc. 99 (1987), 373-379
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870804-3
- $\textrm {Pin}^ c$ cobordism and equivariant $\textrm {Spin}^ c$ cobordism of cyclic $2$-groups
- Anthony Bahri and Peter Gilkey
- Proc. Amer. Math. Soc. 99 (1987), 380-382
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870805-5
- Minimal surfaces in manifolds with $S^ 1$ actions and the simple loop conjecture for Seifert fibered spaces
- Joel Hass
- Proc. Amer. Math. Soc. 99 (1987), 383-388
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870806-7
- Maximal compact normal subgroups
- M. R. Peyrovian
- Proc. Amer. Math. Soc. 99 (1987), 389-394
- DOI: https://doi.org/10.1090/S0002-9939-1987-0870807-9