elliptope

English

coined in: M. Laurent and S. Poljak, On a positive semidefinite relaxation of the cut polytope, Linear Algebra Appl., 223/224, (1995), 439-461

elliptope (plural elliptopes)

(mathematics) The set of all real, square symmetric matrices whose diagonal entries are all equal to one and whose eigenvalues are all non-negative.
- 2016, Anupam Prakash, Jamie Sikora, Antonios Varvitsiotis, Zhaohui Wei, “Completely positive semidefinite rank”, in arXiv‎:
  In particular, we use a known lower bound on the size of matrix representations of extremal quantum correlations which we apply to high-rank extreme points of the ${\\displaystyle n}$ -dimensional elliptope. Lastly, we study cpsd-graphs, i.e., graphs ${\\displaystyle G}$ with the property that every doubly nonnegative matrix whose support is given by ${\\displaystyle G}$ is cpsd.

单词	elliptope
释义	elliptope English Etymology coined in: M. Laurent and S. Poljak, On a positive semidefinite relaxation of the cut polytope, Linear Algebra Appl., 223/224, (1995), 439-461 Noun elliptope (plural elliptopes) (mathematics) The set of all real, square symmetric matrices whose diagonal entries are all equal to one and whose eigenvalues are all non-negative. 2016, Anupam Prakash, Jamie Sikora, Antonios Varvitsiotis, Zhaohui Wei, “Completely positive semidefinite rank”, in arXiv‎: In particular, we use a known lower bound on the size of matrix representations of extremal quantum correlations which we apply to high-rank extreme points of the ${\\displaystyle n}$ -dimensional elliptope. Lastly, we study cpsd-graphs, i.e., graphs ${\\displaystyle G}$ with the property that every doubly nonnegative matrix whose support is given by ${\\displaystyle G}$ is cpsd.
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