TY - DATA AU - Jacob Bill AU - Lam T Y AU - Robson Robert O TI - Recent advances in real algebraic geometry and quadratic forms: proceedings of the RAGSQUAD year, Berkeley, 19901991 T2 - Contemporary mathematics SN - 9780821877463 (online) PY - 1994/// CY - Providence, R.I. PB - American Mathematical Society KW - Forms, Quadratic KW - Geometry, Algebraic N1 - Papers resulting from a course held at the University of California at Berkeley, 199091 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; Includes bibliographical references; D. W. Dubois and the pioneer days of real algebraic geometry ; On algebraic structures of manifolds ; On local uniformization of orderings ; Real algebraic geometry over; eal closed fields ; On the reduction of semialgebraic sets by real valuations ; Orderings for noncommutative rings ; Nonexistence of analytically varying solutions to Hilbert's 17th problem ; A combinatorial geometric structure on the space of orders of a field. II ; Formal determination of polynomial consequences of real orthogonal matrices ; On valuation spectra ; Minimal generation of basic sets in the real spectrum of a commutative ring ; A new proof of the homogeneous Nullstellensatz for; heory ; An application of the theory of order completions ; Growth of the UR - http://www.ams.org/conm/155/ ER -