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math.AG2015
Extreme positive ternary sextics
Aaron Kunert, Claus Scheiderer
We study nonnegative (psd) real sextic forms that are not sums of squares (sos). Such a form has at most ten real zeros. We give a complete and explicit characteri…
math.AG2015★ 1 cited
Toric completions and bounded functions on real algebraic varieties
Daniel Plaumann, Claus Scheiderer
Given a semi-algebraic set S, we study compactifications of S that arise from embeddings into complete toric varieties. This makes it possible to describe the asymptotic growth of…