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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.

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A characterization of $C^{\infty }$-sufficient $k$-jets
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by Wojciech Kucharz PDF
Proc. Amer. Math. Soc. 55 (1976), 419-423 Request permission

Abstract:

We improve some results of Mather and Arnold and find several necessary and sufficient conditions of sufficiency of $k$-jets. As a corollary we prove that the set of ${C^\infty }$-sufficient $k$-jets is a semialgebraic subset of the space of $k$-jets of ${C^\infty }$ mappings $F:({R^n},0) \to (R,0)$.
References
  • V. I. Arnol′d, Normal forms of functions near degenerate critical points, the Weyl groups $A_{k},D_{k},E_{k}$ and Lagrangian singularities, Funkcional. Anal. i Priložen. 6 (1972), no. 4, 3–25 (Russian). MR 0356124
  • P. Mazet, Propriétés de $O(E)$ vis-a-vis des décompositions primaires, Séminaire Pierre Lelong (Analyse), Année 1970–1971, Lecture Notes in Math., Vol. 275, Springer, Berlin, 1972, pp. 71–81 (French). MR 0440070
  • J. Mather, Stability of ${C^\infty }$ mappings. III, Iv, Inst. Hautes Études Sci. Publ. Math. No. 35 (1968), 279-308; ibid. No. 37 (1969), 223-248. MR 43 #1215a, b. J. Mather, Unpublished notes on right-equivalence.
  • A. Seidenberg, A new decision method for elementary algebra, Ann. of Math. (2) 60 (1954), 365–374. MR 63994, DOI 10.2307/1969640
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Additional Information
  • © Copyright 1976 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 55 (1976), 419-423
  • MSC: Primary 58C25
  • DOI: https://doi.org/10.1090/S0002-9939-1976-0400291-3
  • MathSciNet review: 0400291