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.


Wildly ramified $Z/2$ actions in dimension two
HTML articles powered by AMS MathViewer

by M. Artin PDF
Proc. Amer. Math. Soc. 52 (1975), 60-64 Request permission


The rings of power series which are invariant under an automorphism of order 2 are described by equations having a standard form.
    A. Grothendieck, Techniques de construction et théorèmes d’existence en géométrie algébrique. III, Séminaire Bourbaki 13ième année: 1960/61, Exposé 212, fasc. 1, Secrétariat mathématique, Paris, 1961. MR 27 #1339.
  • Revêtements étales et groupe fondamental (SGA 1), Documents Mathématiques (Paris) [Mathematical Documents (Paris)], vol. 3, Société Mathématique de France, Paris, 2003 (French). Séminaire de géométrie algébrique du Bois Marie 1960–61. [Algebraic Geometry Seminar of Bois Marie 1960-61]; Directed by A. Grothendieck; With two papers by M. Raynaud; Updated and annotated reprint of the 1971 original [Lecture Notes in Math., 224, Springer, Berlin; MR0354651 (50 #7129)]. MR 2017446
  • Joseph Lipman, Rational singularities, with applications to algebraic surfaces and unique factorization, Inst. Hautes Études Sci. Publ. Math. 36 (1969), 195–279. MR 276239, DOI 10.1007/BF02684604
  • J.-P. Serre, Algèbre locale. Multiplicités, 2ième éd., Lecture Notes in Math., no. 11, Springer-Verlag, Berlin and New York, 1965. MR 34 #1352.
  • Oscar Zariski, On the purity of the branch locus of algebraic functions, Proc. Nat. Acad. Sci. U.S.A. 44 (1958), 791–796. MR 95846, DOI 10.1073/pnas.44.8.791
Similar Articles
  • Retrieve articles in Proceedings of the American Mathematical Society with MSC: 14E20
  • Retrieve articles in all journals with MSC: 14E20
Additional Information
  • © Copyright 1975 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 52 (1975), 60-64
  • MSC: Primary 14E20
  • DOI:
  • MathSciNet review: 0374136