Skip to Main Content

Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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.

 

Families of Lorentzian matrices
HTML articles powered by AMS MathViewer

by C. C. MacDuffee PDF
Proc. Amer. Math. Soc. 2 (1951), 794-797 Request permission
References
    C. de la Vallée Poussin, Cours d’analyse infinitésimale, Louvin, 1937, p. 259.
  • Solomon Lefschetz, Lectures on Differential Equations, Annals of Mathematics Studies, No. 14, Princeton University Press, Princeton, N. J.; Oxford University Press, London, 1946. MR 0016788
  • W. Hurewicz, Ordinary differential equations in the real domain with emphasis on geometric methods, Providence, 1943, p. 39.
  • Giovanni Sansone, Equazioni Differenziali nel Campo Reale. Vol. 1, Nicola Zanichelli, Bologna, 1948 (Italian). 2d ed. MR 0026731
  • R. A. Frazer, W. J. Duncan, and A. R. Collar, Elementary matrices, Cambridge, 1938, p. 222.
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC: 27.0X
  • Retrieve articles in all journals with MSC: 27.0X
Additional Information
  • © Copyright 1951 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 2 (1951), 794-797
  • MSC: Primary 27.0X
  • DOI: https://doi.org/10.1090/S0002-9939-1951-0043855-4
  • MathSciNet review: 0043855