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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.

 

A substitute for the Picone formula
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by Walter Leighton PDF
Bull. Amer. Math. Soc. 55 (1949), 325-328
References
  • G. A. Bliss and I. J. Schoenberg, On Separation, Comparison and Oscillation Theorems for Self-Adjoint Systems of Linear Second Order Differential Equations, Amer. J. Math. 53 (1931), no. 4, 781–800. MR 1506854, DOI 10.2307/2371226
    • Maxime Bôcher 1. Leçons sur les methodes de Sturm, Paris, Gauthier-Villars, 1917. E. L. Ince 1. Ordinary differential equations, London, Longmans, 1927.
  • Marston Morse, A generalization of the sturm separation and comparison theorems in $n$-space, Math. Ann. 103 (1930), no. 1, 52–69. MR 1512617, DOI 10.1007/BF01455690
  • Marston Morse, The calculus of variations in the large, American Mathematical Society Colloquium Publications, vol. 18, American Mathematical Society, Providence, RI, 1996. Reprint of the 1932 original. MR 1451874, DOI 10.1090/coll/018
Additional Information
  • Journal: Bull. Amer. Math. Soc. 55 (1949), 325-328
  • DOI: https://doi.org/10.1090/S0002-9904-1949-09209-1
  • MathSciNet review: 0031156