1.

Record Nr.

UNINA9910480515603321

Autore

Loos Ottmar

Titolo

Locally finite root systems / / Ottmar Loos, Erhard Neher

Pubbl/distr/stampa

Providence, Rhode Island : , : American Mathematical Society, , 2004

©2004

ISBN

1-4704-0412-5

Descrizione fisica

1 online resource (232 p.)

Collana

Memoirs of the American Mathematical Society, , 0065-9266 ; ; Volume 171, Number 811

Disciplina

512/.482

Soggetti

Lie superalgebras

Root systems (Algebra)

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

"Volume 171, Number 811 (end of volume)."

Nota di bibliografia

Includes bibliographical references and indexes.

Nota di contenuto

""Contents""; ""Introduction""; ""1. The category of sets in vector spaces""; ""2. Finiteness conditions and bases""; ""3. Locally finite root systems""; ""4. Invariant inner products and the coroot system""; ""5. Weyl groups""; ""6. Integral bases, root bases and Dynkin diagrams""; ""7. Weights and coweights""; ""8. Classification""; ""9. More on Weyl groups and automorphism groups""; ""10. Parabolic subsets and positive systems for symmetric sets in vector spaces""; ""11. Parabolic subsets of root systems and presentations of the root lattice and the Weyl group""

""12. Closed and full subsystems of finite and infinite classical root systems""""13. Parabolic subsets of root systems: classification""; ""14. Positive systems in root systems""; ""15. Positive linear forms and facets""; ""16. Dominant and fundamental weights""; ""17. Gradings of root systems""; ""18. Elementary relations and graphs in 3-graded root systems""; ""Appendix A. Some standard results on finite root systems""; ""Appendix B. Cones defined by totally preordered sets""; ""Bibliography""; ""Index of notations""; ""Index""; ""A""; ""B""; ""C""; ""D""; ""E""; ""F""; ""G""; ""H""; ""I""

""J""""L""; ""M""; ""N""; ""O""; ""P""; ""Q""; ""R""; ""S""; ""T""; ""U""; ""W""; ""Z""