Piecewise-rational retractions onto closed, convex, semi-algebraic sets with interior-synopsis

DOI10.1216/RMJ-1984-14-4-941zbMath0571.14014OpenAlexW1980329745MaRDI QIDQ1061799

Charles N. Delzell

Publication date: 1984

Published in: Rocky Mountain Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1216/rmj-1984-14-4-941

zbMATH Keywords

piecewise rational functionsemi- algebraic setsHilbert 17-th problempiecewise-rational retractions

Mathematics Subject Classification ID

Relevant commutative algebra (14A05) Real and complex fields (12D99) Real algebraic and real-analytic geometry (14Pxx)

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