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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.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

The first Betti numbers of certain locally trivial fibre spaces
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by Bill Watson PDF
Bull. Amer. Math. Soc. 78 (1972), 392-393
References
  • James Eells Jr. and J. H. Sampson, Harmonic mappings of Riemannian manifolds, Amer. J. Math. 86 (1964), 109–160. MR 164306, DOI 10.2307/2373037
  • André Lichnerowicz, Applications harmoniques et variétés kähleriennes, Symposia Mathematica, Vol. III (INDAM, Rome, 1968/69) Academic Press, London, 1968/1969, pp. 341–402 (French). MR 0262993
    • 3. B. Watson, Manifold maps which commute with the Laplacian on p-forms (submitted for publication). 4. B. Watson, δ-commuting maps and Betti numbers (submitted for publication).
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Additional Information
  • Journal: Bull. Amer. Math. Soc. 78 (1972), 392-393
  • MSC (1970): Primary 55F05
  • DOI: https://doi.org/10.1090/S0002-9904-1972-12911-2
  • MathSciNet review: 0290293