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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.

 

L-S-homotopy classes on the topological image of a projective plane
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by Marston Morse PDF
Bull. Amer. Math. Soc. 55 (1949), 981-1003
References
  • Heinz Hopf, Über die Drehung der Tangenten und Sehnen ebener Kurven, Compositio Math. 2 (1935), 50–62 (German). MR 1556906
  • Hassler Whitney, On regular closed curves in the plane, Compositio Math. 4 (1937), 276–284. MR 1556973
  • Marston Morse, $L$-$S$- homotopy classes of locally simple curves, Ann. Soc. Polon. Math. 21 (1948), 236–256 (1949). MR 0031237
  • Marston Morse, Topological Methods in the Theory of Functions of a Complex Variable, Annals of Mathematics Studies, No. 15, Princeton University Press, Princeton, N. J., 1947. MR 0021089
  • Marston Morse and Maurice Heins, Topological methods in the theory of functions of a single complex variable. I. Deformation types of locally simple plane curves, Ann. of Math. (2) 46 (1945), 600–624. MR 16466, DOI 10.2307/1969200
  • Marston Morse and Maurice Heins, Deformation classes of meromorphic functions and their extensions to interior transformations, Acta Math. 79 (1947), 51–103. MR 20128, DOI 10.1007/BF02404694
Additional Information
  • Journal: Bull. Amer. Math. Soc. 55 (1949), 981-1003
  • DOI: https://doi.org/10.1090/S0002-9904-1949-09326-6
  • MathSciNet review: 0033006