1.1k citations
- Centre National de la Recherche ScientifiqueFR82 papers
- ETH ZurichCH63 papers
- Johannes Gutenberg University MainzDE52 papers
- Universidad Autónoma de MadridES48 papers
- Karlsruhe Institute of TechnologyDE38 papers
- Technical University of MunichDE37 papers
- Budapest University of Technology and EconomicsHU33 papers
- Ludwig-Maximilians-Universität MünchenDE32 papers
- Technische Universität DresdenDE32 papers
- Universität InnsbruckAT32 papers
- Norwegian University of Science and TechnologyNO28 papers
- University of BaselCH28 papers
Showing 2011 · math.AGShow all
2 papers · 2 filters
math.AG2011★ 1 cited
The Algebraic Boundary of SO(2)-Orbitopes
Rainer Sinn
Let $X\subset\A^{2r}$ be a real curve embedded into an even-dimensional affine space. In the main result of this paper, we characterise when the r-th secant variety to is an ir…
math.AG2011★ 3 cited
A Positivstellensatz for projective real varieties
Claus Scheiderer
Given two positive definite forms f, g in R[x_0,...,x_n], we prove that fg^N is a sum of squares of forms for all sufficiently large N >= 0. We generalize this result to projective…