Hoffmann, Detlev W. books & textbook
Quadratic Forms--algebra, Arithmetic, and Geometry: Algebraic and Arithmetic Theory of Qudratic Forms, December 13 - 19, 2007 Frutillar, Chile (Contemporary Mathematics, 493)
Baeza, Ricardo Chan, Wai Kiu Hoffmann, Detlev W. Schulze-Pillot, Rainer
Amer Mathematical Society /2009-01-01 Paperback / 408 Pages
isbn-10: 0821846485 / isbn-13: 9780821846483
Cohomological Invariants: Exceptional Groups and Spin Groups (Memoirs of the American Mathematical Society)
Garibaldi, Skip Hoffmann, Detlev W.
Amer Mathematical Society /2009-06-30 Paperback / 81 Pages
isbn-10: 0821844040 / isbn-13: 9780821844045