[quantum-info] Next week's PIQuDos

[Markus Mueller]

Hi all,

next week, we have a talk by Laura Mancinska on *Monday* at 4pm in the 
Time Room.

Best wishes,
Markus



Title: *A generalization of Kochen-Specker sets*
Speaker: Laura Mancinska (IQC Waterloo)

Abstract: I will discuss two generalizations of Kochen-Specker (KS) 
sets: projective KS sets and generalized KS sets. We will see that 
projective KS sets can be used to characterize all graphs for which the 
chromatic number is strictly larger than the quantum chromatic number. 
Here, the quantum chromatic number is defined via a nonlocal game based 
on graph coloring. We will further show that from any graph with 
separation between these two quantities, one can construct a classical 
channel for which entanglement assistance increases the one-shot 
zero-error capacity. As an example, we will consider a new family of 
classical channels with an exponential increase.


Date: September 24, 2012 - 4:00 pm
Series: Perimeter Institute Quantum Discussions
Location: Time Room


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