Since I started in November, I have been reading some relevant
literature on approximations of the Stability Number of a graph via
SDP relaxations. Last week, as a part of the Polynomial Optimization
Reading Group (at CWI), I presented the talk: Approximations for the
Stability Number. Specifically, I presented some results about the de
Klerk Pasechnik Hierarchy. Some relevant literature is:
- Semidefinite Approximations for the Stability Number of a Graph via Sum of Squares. M.Laurent, N. Gvozdenovic. SIAM Journal of Optimization, 2006
- Approximating the stability number of a graph via copositive programming. De Klerk, E.Pasechnik. SIAM Journal of Optimization, 2006
I would like to
share with you one proof (slighly changed) of a stronger version of
the Polya Theorem presented by M. Laurent, E. de Klerk and P. Parrilo
in “A
PTAS for the minimization of polynomials of fixed degree over the
simplex”
Theoretical
Computer Science: The journal of the EATCS.. 2006
This result allows us to prove some bounds for the de Klerk
Pasechnik hierarchy as will be shown in the next post in this blog.
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