Recent advances in real algebraic geometry and quadratic forms : proceedings of the RAGSQUAD year, Berkeley, 1990-1991 / / William B. Jacob, Tsit-Yuen Lam, Robert O. Robson, editors

• Pubblicazione: Providence, Rhode Island : , : American Mathematical Society, , [1994]; ©1994
• Descrizione fisica: 1 online resource (viii, 405 p. )
• Disciplina: 512/.74
• Soggetto topico: Geometry, Algebraic; Forms, Quadratic
• Persona (resp. second.): JacobBill; LamT. Y <1942-> (Tsit-Yuen); RobsonRobert O. <1954->
• Note generali: Papers resulting from a course held at the University of California at Berkeley, 1990-91 and the AMS Special Session on Real Algebraic Geometry and Quadratic Forms held in San Francisco, Jan. 1991, both comprising the special year dubbed RAGSQUAD.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: D.W. Dubois and the pioneer days of real algebraic geometry / Tomás Recio & Carlos Andradas -- On albegraic structures of manifolds / S. Akbulut -- On local uniformization of orderings / Carlos Andradas and Jesús M. Ruiz -- Real algebraic geometry over p-real closed fields / Ralph Berr -- On the reduction of semialgebraic sets by real valuations / Ludwig Bröcker -- Orderings for noncommutative rings / Thomas C. Craven -- Nonexistence of analytically varying solutions to Hilbert's 17th problem / Charles N. Delzell -- A combinatorial geometric structure on the space of orders of a field II / M.A. Dickmann -- Formal determination of polynomial consequences of real orthogonal matrices / M.J. González-Lopez and T. Recio -- On valuation spectra / Roland Huber and Manfred Knebusch -- Minimal generation of basic sets in the real spectrum of a commutative ring / M. Marshall -- A new proof of the homogeneous nullstellensatz for p-fields and applications to topology / Albrecht Pfister -- ; The compatible valuation rings of the coordinate ring of the real plane / M.J. de la Puente -- Estimates for parametric nonuniformity in representations of a definite polynomial as a sum of fourth powers / Gilbert Stengle -- On generators for the Witt ring / Jón Kr. Arason, Richard Elman, and Bill Jacob -- On the trace formula for quadratic forms / Eberhard Becker and Thorsten Wöermann -- Quadratic forms with values in line bundles / W. Bichsel and M.-A. Knus -- On annhilators in graded Witt rings and in Milnor's K theory / Martin Krüskemper -- An application of the theory of order completions / Ka Hin Leung -- Growth of the u-invariant under algebraic extensions / David B. Leep and A.S. Merkurjev -- Remarks on Merkurjev's investigations of the u-invariant / Ján Mináč -- On the canonical class of a curve and the extension property for quadratic forms / R. Parimala and W. Scharlau -- Reduced norms and Pfaffians via Brauer-Severi schemes / R. Parimala and R. Sridharan -- ; Matching Witts with global fields / R. Perlis [and others] -- On Witt-kernels of function fields of curves / Jonathan Shick -- On the canonical class of hyperelliptic curves / V. Suresh.
• Titolo autorizzato: Recent advances in real algebraic geometry and quadratic forms
• ISBN: 0-8218-7746-1; 0-8218-5489-5
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910827540803321
• Lo trovi qui: Univ. Federico II
• Serie: Contemporary mathematics (American Mathematical Society) ; ; v. 155.