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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 55, Number 2
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Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 55, Number 2 (1949)
PDF
Bull. Amer. Math. Soc. 55 (1949)
A characterization of conformally flat spaces
A. H. Taub PDF
Bull. Amer. Math. Soc. 55 (1949), 85-89
The differential invariants of a two-index tensor
D. D. Kosambi PDF
Bull. Amer. Math. Soc. 55 (1949), 90-94
Coverings and Betti numbers
Beno Eckmann PDF
Bull. Amer. Math. Soc. 55 (1949), 95-101
The Mayer homology theory
Edwin H. Spanier PDF
Bull. Amer. Math. Soc. 55 (1949), 102-112
A note on homogeneous plane continua
F. Burton Jones PDF
Bull. Amer. Math. Soc. 55 (1949), 113-114
On the characteristic equations of certain matrices
W. V. Parker PDF
Bull. Amer. Math. Soc. 55 (1949), 115-116
On matrices with elements in a principal ideal ring
William Leavitt and George Whaples PDF
Bull. Amer. Math. Soc. 55 (1949), 117-118
Nonlinear networks. III
R. J. Duffin PDF
Bull. Amer. Math. Soc. 55 (1949), 119-129
On the summability of certain orthogonal developments of nonlinear functionals
R. H. Cameron and C. Hatfield Jr. PDF
Bull. Amer. Math. Soc. 55 (1949), 130-145
Summability with a governor of integral order
G. Milton Wing PDF
Bull. Amer. Math. Soc. 55 (1949), 146-155
On the representation of a function as a Hellinger integral
Richard H. Stark PDF
Bull. Amer. Math. Soc. 55 (1949), 155-159
On the extension of a transformation
Earl J. Mickle PDF
Bull. Amer. Math. Soc. 55 (1949), 160-164
An initial value problem for a class of equations of mixed type
Stefan Bergman PDF
Bull. Amer. Math. Soc. 55 (1949), 165-174
An inversion formula for the generalized Stieltjes transform
D. B. Sumner PDF
Bull. Amer. Math. Soc. 55 (1949), 174-183
On the mean modulus of an analytic function
E. F. Beckenbach, W. Gustin and H. Shniad PDF
Bull. Amer. Math. Soc. 55 (1949), 184-190
An integration scheme of Maréchal
J. Ernest Wilkins Jr. PDF
Bull. Amer. Math. Soc. 55 (1949), 191-192
A method of analytic continuation suggested by heuristic principles
H. Bruynes and G. Raisbeck PDF
Bull. Amer. Math. Soc. 55 (1949), 193-197
On the reality of zeros of Bessel functions
Abraham Hillman PDF
Bull. Amer. Math. Soc. 55 (1949), 198-200
A property of power series with positive coefficients
P. Erdös, W. Feller and H. Pollard PDF
Bull. Amer. Math. Soc. 55 (1949), 201-204
A consistency theorem
H. D. Brunk PDF
Bull. Amer. Math. Soc. 55 (1949), 204-212
Errata
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Bull. Amer. Math. Soc. 55 (1949), 212