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Transformation de Fourier sphérique des espaces de schwartz

✍ Scribed by Jean-Louis Clerc


Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
994 KB
Volume
37
Category
Article
ISSN
0022-1236

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Normalisateur et groupe d'Artin de type
✍ Eddy Godelle 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 208 KB

Let (A, S) be an Artin group and X a subset of S; denote by A X the subgroup of A generated by X. When A is of spherical type, we prove that the normalizer and the commensurator of A X in A are equal and are the product of A X by the quasi-centralizer of A X in A. Looking the associated monoids A +