## Contents of Volume 77, Number 3

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- Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 77, Number 3 (1971)
- Bull. Amer. Math. Soc.
**77**(1971)

- Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 77, Number 3 (1971)
- Bull. Amer. Math. Soc.
**77**(1971)

- The factorization problem for nonnegative operator valued functions
- Marvin Rosenblum and James Rovnyak PDF
- Bull. Amer. Math. Soc.
**77**(1971), 287-318

- A lecture on the geometry of numbers of convex bodies
- Kurt Mahler PDF
- Bull. Amer. Math. Soc.
**77**(1971), 319-325

- The annual meeting in Atlantic City
- Everett Pitcher and Leonard Gillman PDF
- Bull. Amer. Math. Soc.
**77**(1971), 331-337

- A correspondence theorem for projective modules and the structure of simple Noetherian rings
- Carl Faith PDF
- Bull. Amer. Math. Soc.
**77**(1971), 338-342

- A noncommutative extension of the Perron-Frobenius theorem
- Lonard Gross PDF
- Bull. Amer. Math. Soc.
**77**(1971), 343-347

- The endomorphisms of certain one-relator groups and the generalized Hopfian problem
- Michael Anshel PDF
- Bull. Amer. Math. Soc.
**77**(1971), 348-350

- A fixed point theorem for plane continua
- Charles L. Hagopian PDF
- Bull. Amer. Math. Soc.
**77**(1971), 351-354

- Fourier transforms of unbounded measures
- Loren Argabright and Jesús Gil de Lamadrid PDF
- Bull. Amer. Math. Soc.
**77**(1971), 355-359

- Some fixed point theorems
- Roger D. Nussbaum PDF
- Bull. Amer. Math. Soc.
**77**(1971), 360-365

- Abbreviating proofs by adding new axioms
- Andrzej Ehrenfeucht and Jan Mycielski PDF
- Bull. Amer. Math. Soc.
**77**(1971), 366-367

- Generation of equicontinuous semigroups by hermitian and sectorial operators. II
- Robert T. Moore PDF
- Bull. Amer. Math. Soc.
**77**(1971), 368-373

- Existence and uniqueness for nonlinear neutral-differential equations
- L. J. Grimm PDF
- Bull. Amer. Math. Soc.
**77**(1971), 374-376

- Multiplicative operator functionals of a Markov process
- Mark A. Pinsky PDF
- Bull. Amer. Math. Soc.
**77**(1971), 377-380

- Dirichlet finite solutions of $\Delta u = Pu$, and classification of Riemann surfaces
- Mitsuru Nakai PDF
- Bull. Amer. Math. Soc.
**77**(1971), 381-385

- Function algebras and the de Rham theorem in ${\text {PL}}$
- Howard Osborn PDF
- Bull. Amer. Math. Soc.
**77**(1971), 386-391

- Not every 0-dimensional realcompact space is $N$-compact
- Peter Nyikos PDF
- Bull. Amer. Math. Soc.
**77**(1971), 392-396

- A relation between two simplicial algebraic $K$-theories
- S. M. Gersten and D. L. Rector PDF
- Bull. Amer. Math. Soc.
**77**(1971), 397-399

- A note on cobordism of Poincaré duality spaces
- W. Browder and G. Brumfiel PDF
- Bull. Amer. Math. Soc.
**77**(1971), 400-403

- $L^p$ boundedness of certain convolution operators
- E. M. Stein PDF
- Bull. Amer. Math. Soc.
**77**(1971), 404-405

- A renewal theorem for distributions on $R^1$ without expectation
- K. Bruce Erickson PDF
- Bull. Amer. Math. Soc.
**77**(1971), 406-410

- $C^*$-algebras generated by measures
- Charles F. Dunkl and Donald E. Ramirez PDF
- Bull. Amer. Math. Soc.
**77**(1971), 411-412

- On inseparable Galois theory
- Stephen U. Chase PDF
- Bull. Amer. Math. Soc.
**77**(1971), 413-417

- Boundedness and oscillation of solutions of the Liénard equation
- John R. Graef PDF
- Bull. Amer. Math. Soc.
**77**(1971), 418-421

- Orientation-preserving mappings, a semigroup of geometric transformations and a class of integral operators
- Antonio O. Farias PDF
- Bull. Amer. Math. Soc.
**77**(1971), 422-424

- A remark on classification of Riemannian manifolds with respect to $\Delta u = Pu$
- Moses Glasner, Richard Katz and Mitsuru Nakai PDF
- Bull. Amer. Math. Soc.
**77**(1971), 425-428

- A note on nonrigid Nash structures
- D. R. J. Chillingworth and J. Hubbard PDF
- Bull. Amer. Math. Soc.
**77**(1971), 429-431

- Biharmonic classification of Riemannian manifolds
- M. Nakai and L. Sario PDF
- Bull. Amer. Math. Soc.
**77**(1971), 432-436

- Codimension-one foliations of spheres
- H. Blaine Lawson Jr. PDF
- Bull. Amer. Math. Soc.
**77**(1971), 437-438

- Classification of symbol spaces of finite type
- R. F. Williams PDF
- Bull. Amer. Math. Soc.
**77**(1971), 439-443

- On the analysis and synthesis of certain abstract systems
- Reese T. Prosser PDF
- Bull. Amer. Math. Soc.
**77**(1971), 444-448

- Toeplitz operators in multiply connected regions
- M. B. Abrahamse PDF
- Bull. Amer. Math. Soc.
**77**(1971), 449-454

- The classification of free actions of cyclic groups of odd order on homotopy spheres
- William Browder, Ted Petrie and C. T. C. Wall PDF
- Bull. Amer. Math. Soc.
**77**(1971), 455-459

- Converse theorems and extensions in Chebyshev rational approximation to certain entire functions in $\left [ {0, + \infty } \right )$
- G. Meinardus, A. R. Reddy, G. D. Taylor and R. S. Varga PDF
- Bull. Amer. Math. Soc.
**77**(1971), 460-461

- Classification of the simple separable real $L^*$-algebras
- Ignacio Unsain PDF
- Bull. Amer. Math. Soc.
**77**(1971), 462-466

- The many-one equivalence of some general combinatorial decision problems
- C. E. Hughes, Ross Overbeek and W. E. Singletary PDF
- Bull. Amer. Math. Soc.
**77**(1971), 467-472

- Boundary behavior of harmonic functions on hermitian hyperbolic space
- Robert Putz PDF
- Bull. Amer. Math. Soc.
**77**(1971), 473-476

- On the Schur subgroup
- K. L. Fields PDF
- Bull. Amer. Math. Soc.
**77**(1971), 477-478

- Errata, Volume 76
- Bull. Amer. Math. Soc.
**77**(1971), 479

- Erratum, Volume 77
- Bull. Amer. Math. Soc.
**77**(1971), 479

- Correction to Poincaré complex thickenings and concordance obstructions
- J. P. E. Hodgson PDF
- Bull. Amer. Math. Soc.
**77**(1971), 480

##
Book Reviews

Book reviews do not contain an abstract. You may
download each review in this issue using the links
below.

- Cohomology of groups, by Edwin Weiss.
- Reviewer: Lawrence Corwin

- Review information PDF
- Bull. Amer. Math. Soc.
**77**(1971), 326-328

- Studies in Geometry, by Leonard M. Blumenthal and Karl Menger.
- Reviewer: Helen Skala

- Review information PDF
- Bull. Amer. Math. Soc.
**77**(1971), 328-330