PIRSA Logo


PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE

Displaying all lectures given by: Stephanie Wehner


PIRSA:11050049  ( MP4 Medium Res , MP3 , PDF ) Which Format?
Does ignorance of the whole imply ignorance of the parts?
Speaker(s): Stephanie Wehner
Abstract: A central question in our understanding of the physical world is how our knowledge of the whole relates to our knowledge of the individual parts. One aspect of this question is the following: to what extent does ignorance about a whole preclude knowledge of at least one of its parts? Relying purely ... read more
Date: 12/05/2011 - 5:00 pm

PIRSA:09050002  ( MP4 Medium Res , MP3 , PDF ) Which Format?
A strong converse for classical channel coding using entangled inputs
Speaker(s): Stephanie Wehner
Abstract: A fully general strong converse for channel coding states that when the rate of sending classical information exceeds the capacity of a quantum channel, the probability of correctly decoding goes to zero exponentially in the number of channel uses, even when we allow code states which are entangled ... read more
Date: 20/05/2009 - 4:00 pm
Valid XHTML 1.0!