arXiv:2401.09373 Abstract | arXiv Analytics

arXiv:2401.09373 [math.AG]Abstract References Reviews Resources

On the Archimedean Positivstellensatz in Real Algebraic Geometry

Published 2024-01-17Version 1

A variant of the Archimedean Positivstellensatz is proved which is based on Archimedean semirings or quadratic modules of generating subalgebras. It allows one to obtain representations of strictly positive polynomials on compact semi-algebraic by means of smaller sets of squares or polynomials. A large number of examples is developed in detail.

Categories: math.AG

Keywords: real algebraic geometry, archimedean positivstellensatz, archimedean semirings, quadratic modules, compact semi-algebraic

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