The life and work of David W. Lewis (1944–2021). (English) Zbl 1497.01028
MSC:
01A70
Found 25 Documents (Results 1–25)
Positive cones and gauges on algebras with involution. (English) Zbl 1511.16041
Reviewer: William Woods (Essex)
Pfister’s local-global principle for Azumaya algebras with involution. arXiv:2210.04851
Preprint, arXiv:2210.04851 [math.RA] (2022).
WITHDRAWN: Trichotomy for positive cones and a maximality counterexample. arXiv:2109.09805
Preprint, arXiv:2109.09805 [math.RA] (2021); retraction notice ibid.
Galois extensions, positive involutions and an application to unitary space-time coding. (English) Zbl 1410.12005
Signatures, sums of Hermitian squares and positive cones on algebras with involution. (English) Zbl 1423.16018
Signatures of hermitian forms, positivity, and an answer to a question of Procesi and Schacher. (English) Zbl 1440.16018
Weakly hyperbolic involutions. (English) Zbl 1441.11073
Stability index of algebras with involution. (English) Zbl 1386.16009
Broglia, Fabrizio (ed.) et al., Ordered algebraic structures and related topics. International conference at CIRM, Luminy, France, October 12–16, 2015. Proceedings. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-2966-9/pbk; 978-1-4704-4222-4/ebook). Contemporary Mathematics 697, 41-50 (2017).
Signatures of Hermitian forms and “prime ideals” of Witt groups. (English) Zbl 1328.11040
Reviewer: Detlev Hoffmann (Dortmund)
Signatures of Hermitian forms and the Knebusch trace formula. (English) Zbl 1294.11045
Reviewer: Uzi Vishne (Ramat-Gan)
Quadratic forms and space-time block codes from generalized quaternion and biquaternion algebras. (English) Zbl 1365.94635
Space-time block codes from nonassociative division algebras. (English) Zbl 1246.94038
Reviewer: Robert Fitzgerald (Carbondale)
The Procesi-Schacher conjecture and Hilbert’s 17th problem for algebras with involution. (English) Zbl 1262.16039
A Hermitian analogue of the Bröcker-Prestel theorem. (English) Zbl 1178.16014
Reviewer: Ivan D. Chipchakov (Sofia)
Hermitian Morita theory: a matrix approach. (English) Zbl 1194.16035
Reviewer: Ánh Pham Ngoc (Budapest)
A local-global principle for algebras with involution and Hermitian forms. (English) Zbl 1092.16011
Reviewer: Jean-Pierre E. Tignol (Louvain-La-Neuve)
The Hermitian level of composition algebras. (English) Zbl 1037.17007
Reviewer: Jean-Pierre E. Tignol (Louvain-La-Neuve)
A note on surrogate forms of central simple algebras. (English) Zbl 1016.16008
Reviewer: Ivan D.Chipchakov (Sofia)
A weak Hasse principle for central simple algebras with an involution. (English) Zbl 0996.16012
Reviewer: J.-P.Tignol (Louvain-La-Neuve)
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Biographic Reference
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