An extension to fields of positive characteristic of Mather's construction of the Thom-Boardman sequence
Orlando E. Villamayor (1978)
Annales scientifiques de l'École Normale Supérieure
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Orlando E. Villamayor (1978)
Annales scientifiques de l'École Normale Supérieure
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Vladimír Müller (1984)
Studia Mathematica
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W. Badé, P. Curtis, K. Laursen (1980)
Studia Mathematica
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Helmut Goldmann (1989)
Studia Mathematica
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V. Müller (1982)
Studia Mathematica
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Young Bae Jun, Seok Zun Song (2016)
Discussiones Mathematicae General Algebra and Applications
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The notions of superior subalgebras and (commutative) superior ideals are introduced, and their relations and related properties are investigated. Conditions for a superior ideal to be commutative are provided.
Abujabal, H.A.S., Aslam, M., Thaheem, A.B. (1996)
International Journal of Mathematics and Mathematical Sciences
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Vladimir Müller (1991)
Collectanea Mathematica
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An ideal in a commutative topological algebra with separately continuous multiplication is non-removable if and only if it consists locally of joint topological divisors of zero. Also, any family of non-removable ideals can be removed simultanously.
Jorge Bustamante, José R. Arrazola, Raúl Escobedo (1998)
Revista Matemática Complutense
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Relations between homomorphisms on a real function algebra and different properties (such as being inverse-closed and closed under bounded inversion) are studied.
Graham Allan (1996)
Studia Mathematica
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The class of elements of locally finite closed descent in a commutative Fréchet algebra is introduced. Using this notion, those commutative Fréchet algebras in which the algebra ℂ[[X]] may be embedded are completely characterized, and some applications to the theory of automatic continuity are given.