Schmudgen's theorem for preorderings of higher level

Authors
Zhang, DG
Citation
Dg. Zhang, Schmudgen's theorem for preorderings of higher level, ARCH MATH, 77(4), 2001, pp. 309-312
Citations number
9
Categorie Soggetti
Mathematics
Journal title
ARCHIV DER MATHEMATIK
ISSN journal
0003889X → ACNP
Volume
77
Issue
4
Year of publication
2001
Pages
309 - 312
Database
ISI
SICI code
0003-889X(20011001)77:4<309:STFPOH>2.0.ZU;2-1
Abstract
The aim of this note is to generalize the Schmudgen's theorem (e.g. see [7] , [8], [9]) in the case of quadratic preorderings to preorderings of higher level. For the proof of this result we use the same technique developed in [6].