The tracial moment problem and trace-optimization of polynomials

Title
The tracial moment problem and trace-optimization of polynomials
Authors
Keywords
Sum of squares, Noncommutative polynomial, Semidefinite programming, Tracial moment problem, Flat extension, Free positivity, Real algebraic geometry, Primary 90C22, 13J30, Secondary 47A57, 08B20
Journal
MATHEMATICAL PROGRAMMING
Volume 137, Issue 1-2, Pages 557-578
Publisher
Springer Nature
Online
2011-12-15
DOI
10.1007/s10107-011-0505-8

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