Vogtmann, K. A Stiefel complex for the orthogonal group of a field. (English) Zbl 0506.20018 Comment. Math. Helv. 57, 11-21 (1982). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 5 Documents MSC: 20G15 Linear algebraic groups over arbitrary fields 20G10 Cohomology theory for linear algebraic groups 20F65 Geometric group theory Keywords:quadratic form; Stiefel complex; orthonormal frames; pythagoras number; orthogonal groups; cohomology PDF BibTeX XML Cite \textit{K. Vogtmann}, Comment. Math. Helv. 57, 11--21 (1982; Zbl 0506.20018) Full Text: DOI EuDML