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Bulletin of the American Mathematical Society

The Bulletin publishes expository articles on contemporary mathematical research, written in a way that gives insight to mathematicians who may not be experts in the particular topic. The Bulletin also publishes reviews of selected books in mathematics and short articles in the Mathematical Perspectives section, both by invitation only.

ISSN 1088-9485 (online) ISSN 0273-0979 (print)

The 2020 MCQ for Bulletin of the American Mathematical Society is 0.84.

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Contents of Volume 45, Number 4
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Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 45, Number 4 (1939)
PDF
Bull. Amer. Math. Soc. 45 (1939)
Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 45, Number 4 (1939)
PDF
Bull. Amer. Math. Soc. 45 (1939)
The dynamics of geodesic flows
Gustav A. Hedlund PDF
Bull. Amer. Math. Soc. 45 (1939), 241-260
Representation of numbers in ternary quadratic forms
E. Rosenthall PDF
Bull. Amer. Math. Soc. 45 (1939), 261-263
On approximately continuous functions
Isaiah Maximoff PDF
Bull. Amer. Math. Soc. 45 (1939), 264-268
On Fermat’s simple theorem
Jack Chernick PDF
Bull. Amer. Math. Soc. 45 (1939), 269-274
Rings as groups with operators
C. J. Everett Jr. PDF
Bull. Amer. Math. Soc. 45 (1939), 274-279
Concerning matrices with elements in a commutative ring
Neal H. McCoy PDF
Bull. Amer. Math. Soc. 45 (1939), 280-284
Cremona transformations with an invariant rational sextic
A. B. Coble PDF
Bull. Amer. Math. Soc. 45 (1939), 285-288
A note on the reduction of Gentzen’s calculus $LJ$
H. B. Curry PDF
Bull. Amer. Math. Soc. 45 (1939), 288-293
Some invariants under monotone transformations
D. W. Hall and A. D. Wallace PDF
Bull. Amer. Math. Soc. 45 (1939), 294-295
Regularity of function-to-function transformations
Mahlon M. Day PDF
Bull. Amer. Math. Soc. 45 (1939), 296-303
Bounded self-adjoint operators and the problem of moments
B. A. Lengyel PDF
Bull. Amer. Math. Soc. 45 (1939), 303-306
On the determinant of an automorph of a nonsingular skew-symmetric matrix
John Williamson PDF
Bull. Amer. Math. Soc. 45 (1939), 307-309
On Green’s functions in the theory of heat conduction in spherical coordinates
Arnold N. Lowan PDF
Bull. Amer. Math. Soc. 45 (1939), 310-315
On wave motion in an infinite solid bounded internally by a cylinder or a sphere
Arnold N. Lowan PDF
Bull. Amer. Math. Soc. 45 (1939), 316-325
Fundamental regions for the simple group of order 60 in $S_4$
R. R. Stoll PDF
Bull. Amer. Math. Soc. 45 (1939), 326-329
Diophantine equations whose members are homogeneous
A. A. Aucoin and W. V. Parker PDF
Bull. Amer. Math. Soc. 45 (1939), 330-333
A note on divisibility sequences
Morgan Ward PDF
Bull. Amer. Math. Soc. 45 (1939), 334-336