## Contents of Volume 70, Number 4

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- Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 70, Number 4 (1964)
- Bull. Amer. Math. Soc.
**70**(1964)

- Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 70, Number 4 (1964)
- Bull. Amer. Math. Soc.
**70**(1964)

- A duality in integral geometry; some generalizations of the Radon transform
- Sigurdur Helgason PDF
- Bull. Amer. Math. Soc.
**70**(1964), 435-446

- Harmonic analysis and the theory of cochains
- Victor L. Shapiro PDF
- Bull. Amer. Math. Soc.
**70**(1964), 447-467

- What the bees know and what they do not know
- L. Fejes Tóth PDF
- Bull. Amer. Math. Soc.
**70**(1964), 468-481

- Research Problems
- Bull. Amer. Math. Soc.
**70**(1964), 499-501

- The April meeting in Reno
- R. S. Pierce PDF
- Bull. Amer. Math. Soc.
**70**(1964), 501

- The April meeting in New York
- Everett Pitcher PDF
- Bull. Amer. Math. Soc.
**70**(1964), 502-503

- The April meeting in Chicago
- John W. Green and Seymour Sherman PDF
- Bull. Amer. Math. Soc.
**70**(1964), 503-507

- Finite section Wiener-Hopf equations on a compact group with ordered dual
- I. I. Hirschman Jr. PDF
- Bull. Amer. Math. Soc.
**70**(1964), 508-510

- The five dimensional polyhedral Schoenflies theorem
- Ronald H. Rosen PDF
- Bull. Amer. Math. Soc.
**70**(1964), 511-516

- Eigenfunction expansions and scattering theory for perturbed elliptic partial differential operators
- Peter C. Greiner PDF
- Bull. Amer. Math. Soc.
**70**(1964), 517-521

- A cohomology theory based upon self-conjugacies of complex vector bundles
- Paul S. Green PDF
- Bull. Amer. Math. Soc.
**70**(1964), 522-524

- On bounding harmonic functions by linear interpolation
- H. F. Weinberger PDF
- Bull. Amer. Math. Soc.
**70**(1964), 525-529

- A note on the fundamental theory of ordinary differential equations
- George R. Sell PDF
- Bull. Amer. Math. Soc.
**70**(1964), 529-535

- Norm decreasing homomorphisms of group algebras
- Frederick P. Greenleaf PDF
- Bull. Amer. Math. Soc.
**70**(1964), 536-539

- Recurrent random walks with arbitrarily large steps
- L. A. Shepp PDF
- Bull. Amer. Math. Soc.
**70**(1964), 540-542

- Double Loops and ternary rings
- Peter Wilker PDF
- Bull. Amer. Math. Soc.
**70**(1964), 543-547

- Demicontinuity, hemicontinuity and monotonicity
- Tosio Kato PDF
- Bull. Amer. Math. Soc.
**70**(1964), 548-550

- Continuity properties of monotone nonlinear operators in Banach spaces
- Felix E. Browder PDF
- Bull. Amer. Math. Soc.
**70**(1964), 551-553

- On the local behavior of the rational Tschebyscheff operator
- Helmut Werner PDF
- Bull. Amer. Math. Soc.
**70**(1964), 554-555

- On a stationary approach to scattering problem
- S. T. Kuroda PDF
- Bull. Amer. Math. Soc.
**70**(1964), 556-560

- On the Galois theory of inseparable extensions
- Murray Gerstenhaber PDF
- Bull. Amer. Math. Soc.
**70**(1964), 561-566

- A sparse regular sequence of exponentials closed on large sets
- H. J. Landau PDF
- Bull. Amer. Math. Soc.
**70**(1964), 566-569

- The notion of dimension in the theory of algebraic differential equations
- E. R. Kolchin PDF
- Bull. Amer. Math. Soc.
**70**(1964), 570-573

- Periodic maps which preserve a complex structure
- P. E. Conner and E. E. Floyd PDF
- Bull. Amer. Math. Soc.
**70**(1964), 574-579

- Cross-sections of solution funnels
- Charles C. Pugh PDF
- Bull. Amer. Math. Soc.
**70**(1964), 580-583

- The closing lemma and structural stability
- Charles C. Pugh PDF
- Bull. Amer. Math. Soc.
**70**(1964), 584-587

- On the compactification of arithmetically defined quotients of bounded symmetric domains
- W. L. Baily Jr. and A. Borel PDF
- Bull. Amer. Math. Soc.
**70**(1964), 588-593

- On the symmetry of convex bodies
- G. D. Chakerian and S. K. Stein PDF
- Bull. Amer. Math. Soc.
**70**(1964), 594-595

- A two-dimensional singular integral equation of diffraction theory
- James Radlow PDF
- Bull. Amer. Math. Soc.
**70**(1964), 596-599

- The geometry of immersions. II
- E. A. Feldman PDF
- Bull. Amer. Math. Soc.
**70**(1964), 600-607

- The real values of an entire function
- S. Hellerstein and J. Korevaar PDF
- Bull. Amer. Math. Soc.
**70**(1964), 608-610

- Decomposition of Riemannian manifolds
- H. Wu PDF
- Bull. Amer. Math. Soc.
**70**(1964), 610-617

- On the thickness of the complete graph
- Lowell W. Beineke and Frank Harary PDF
- Bull. Amer. Math. Soc.
**70**(1964), 618-620

- Irreducible semigroups
- K. H. Hofmann and P. S. Mostert PDF
- Bull. Amer. Math. Soc.
**70**(1964), 621-627

- The recursive equivalence type of a class of sets
- J. C. E. Dekker PDF
- Bull. Amer. Math. Soc.
**70**(1964), 628-632

- An example of slow decay of the solution of the initial-boundary value problem for the wave equation in unbounded regions
- E. C. Zachmanoglou PDF
- Bull. Amer. Math. Soc.
**70**(1964), 633-636

- On inequalities of weak type
- S. Sawyer PDF
- Bull. Amer. Math. Soc.
**70**(1964), 637-641

- A strict maximum theorem for one-part function spaces and algebras
- H. S. Bear PDF
- Bull. Amer. Math. Soc.
**70**(1964), 642-643

- On cardinalities of ultraproducts
- H. Jerome Keisler PDF
- Bull. Amer. Math. Soc.
**70**(1964), 644-647

##
Book Reviews

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

- Cohomology operations, by D. B. A. Epstein.
- Reviewer: R. H. Szczarba

- Review information PDF
- Bull. Amer. Math. Soc.
**70**(1964), 482-483

- Differential forms with applications to the physical sciences, by Harley Flanders.
- Reviewer: Robert Hermann

- Review information PDF
- Bull. Amer. Math. Soc.
**70**(1964), 483-487

- Ensembles parfaits et séries trigonométriques, by Jean-Pierre Kahane and Raphael Salem.
- Algebraic numbers and Fourier analysis, by Raphael Salem.
- Reviewer: Walter Rudin

- Review information PDF
- Bull. Amer. Math. Soc.
**70**(1964), 487-490

- Introduction to the theory of integration, by T. H. Hildebrandt.
- Reviewer: Edwin Hewitt

- Review information PDF
- Bull. Amer. Math. Soc.
**70**(1964), 490-491

- Diophantine geometry, by Serge Lang.
- Reviewer: L. J. Mordell

- Review information PDF
- Bull. Amer. Math. Soc.
**70**(1964), 491-498