This textbook is designed for a one-year graduate course in real algebraic geometry, with a particular focus on positivity and sums of squares of polynomials. The first half of the book features a thorough introduction to ordered fields a...Daugiau...
(Išleidimo metai: 27-Oct-1994, Paperback / softback, Leidėjas: Springer-Verlag Berlin and Heidelberg GmbH & Co. K, ISBN-13: 9783540584360)
This is a systematic study of the relationship between the Etale cohomology of a scheme and the orderings of its residue fields. It also contains new results in group cohomology and topos theory. Readers should have some familiarity with the basics o...Daugiau...