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On Positivity and Roots in Operator Algebras

✍ Scribed by Bearden, Clifford A.; Blecher, David P.; Sharma, Sonia

Book ID
125338199
Publisher
SP Birkhäuser Verlag Basel
Year
2014
Tongue
English
Weight
269 KB
Volume
79
Category
Article
ISSN
0378-620X

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📜 SIMILAR VOLUMES

On positivity in Hecke algebras
On positivity in Hecke algebras
✍ M. J. Dyer; G. L. Lehrer 📂 Article 📅 1990 🏛 Springer 🌐 English ⚖ 425 KB

Let W be the Hecke algebra associated with a Coxeter system (W, R). The structure constants of Jf with respect to various bases are Laurent polynomials, whose coefficients enjoy remarkable positivity properties. We survey these and prove some new ones using the relationship between W and the geometr