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The Group of Outer Automorphisms and the Picard Group of an Algebra

✍ Scribed by Francisco Guil-Asensio; Manuel Saorín


Book ID
110284207
Publisher
Springer Netherlands
Year
1999
Tongue
English
Weight
142 KB
Volume
2
Category
Article
ISSN
1386-923X

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📜 SIMILAR VOLUMES


The Picard group of a structural matrix
✍ Jeremy Haefner; Trae Holcomb 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 256 KB

We investigate the Picard group of a structural matrix (or incidence) algebra A of a finite preordered set P over a field and we consider five interrelated problems. Our main technique involves establishing a connection between the group of outer automorphisms Out(A) of A and the group of outer auto