ITP-quantumseminare

itp-quantumseminare@lists.phys.ethz.ch

1 participants
1420 discussions

Talk by Marco Tomamichel
by Stefan Wolf 25 May '10

25 May '10

Hi, This week's seminar talk is by Marco Tomamichel. It will take place this Thursday, 27.5., 17:15 at HIT K 51. Title and Abstract are given below. Best regards, Stefan ____________________________________________________________ Randomness Extraction Revisited I will talk about some recent work on randomness extraction. We show that it is possible to extract randomness using almost two-universal families of functions and that the amount of extractable randomness can be tightly characterized by the smooth min-entropy. This is an extension of a well-known result by Renato, who already showed it for two-universal families. I do not intend to bother you with the technicalities that distinguish the two proofs though, instead, I will try to keep everything at an introductory level.

1 0

Talks next week
by Stefan Wolf 18 May '10

18 May '10

Good afternoon, This week, we have no group seminar talk. The last one scheduled for this semester is by Ligong Wang on the 27; details follow later. Note also that on Wednesday of next week, there is a presentation by Reinhard Werner from Hannover, at 16:45 in HPV G4. Cheers, Stefan

1 0

Seminar this week: Cancelled
by Frédéric Dupuis 04 May '10

04 May '10

Grüezi mitenand, Unfortunately, there will be no group seminar this week. However, those of you who wish to avoid withdrawal syndrome are highly encouraged to attend the QSIT lunch seminar on Thursday featuring Johan Aaberg. There's a rumor that he might shout at the audience again. Cheers, --Frédéric

1 0

[QI] QI Seminar
by Dejan D. Dukaric 27 Apr '10

27 Apr '10

Dear All, This weeks research day on Thursday will be at the Computer Science Building CAB. Cyril will present the second part of his talk. Speaker: Cyril Stark Title: From MSA to localization: a rough sketch, part 2 Time: 17:15 pm Place: CAB H 52 Abstract: Multi scale analysis is a method to rigorously prove the existence of localization in specific physical systems. The phenomenon localization occurs in physical systems the dynamics of which is generated by a random Hamilton operator and refers to the following behavior: if the "amount of randomness" is high enough the time evolution of any initial condition will stay within a finite region of space - it localizes. The talk will assume some knowledge about the dynamics of closed quantum systems. Cheers, Dejan

1 0

Seminar this Thursday: Cyril Stark
by Frédéric Dupuis 21 Apr '10

21 Apr '10

Hi everyone, The seminar this week will be given by Cyril Stark. Title: From MSA to localization: a rough sketch Date/Time: Thursday, April 22, 17h15 Place: HIT K 51 Abstract: Multi scale analysis is a method to rigorously prove the existence of localization in specific physical systems. The phenomenon localization occurs in physical systems the dynamics of which is generated by a random Hamlton operator and refers to the following behavior: if the "amount of randomness" is high enough the time evolution of any initial condition will stay within a finite region of space - it localizes. The talk will assume some knowledge about the dynamics of closed quantum systems. Cheers, --Frédéric

1 0

[QI] QI Seminar
by Dejan D. Dukaric 13 Apr '10

13 Apr '10

Dear All, This weeks research day on Thursday will be at the Computer Science Building CAB. Oliver will present his Master Thesis which he did in Renato's group. Speaker: Oliver Marty Title: Squashed entanglement and the antisymmetric state Time: 17:15 pm Place: CAB H 52 Abstract: The first part discusses squashed entanglement and its behavior on the antisymmetric state, which may indicate the existence of entangled states with vanishing squashed entanglement. So far such a situation is only known for the so called bound entangled states of distillable entanglement. In the second part we study the recent concept of separability preserving maps and their relation to different entanglement measures. Cheers, Dejan

1 0

Seminar this Thursday: Now with a real abstract
by Frédéric Dupuis 07 Apr '10

07 Apr '10

Speaker: Lídia del Rio Title: (Quantum) work extraction Date/Time: Thursday, April 8, 17h15 Place: HIT K 51 Abstract: I'll try to give a brief overview of a project we're working on, about how to use the information one observer has about a system to extract work from it without damaging the observer's memory. It should be short and accessible. --Frédéric

1 0

Seminar this Thursday: Lidia del Rio
by Frédéric Dupuis 07 Apr '10

07 Apr '10

Hi everyone, The seminar this week will be given by Lídia del Rio. Title: TBA Date/Time: Thursday, April 8, 17h15 Place: HIT K 51 Abstract: Most scientific concepts, including those involving quantum mechanics, can be summarized in a few lines prior to the occurrence of a talk about them. TBA is the only known exception, a property that has greatly enhanced its popularity in the research community. Come and be surprised. --Frédéric

1 0

[QI] QI Seminar
by Dejan D. Dukaric 30 Mar '10

30 Mar '10

Dear All, This weeks research day on Thursday will be at the Computer Science Building CAB. Speaker: Stefan Wolf Title: Bell Inequalities Without Quantum Advantage Time: 17:15 pm Place: CAB H 52 Abstract: It has been an open problem -- no. 26 of Reinhard Werner's collection -- whether there exists a Bell inequality that - defines a face of the local polytope, - cannot be violated by quantum physics, but - can be violated by a non-signaling strategy. We discuss an affirmative answer to the question given by Almeida, Bancal, Brunner, Acin, Gisin, and Pironio. Cheers, Dejan

1 0

Seminar this Thursday: Renato Renner
by Frédéric Dupuis 23 Mar '10

23 Mar '10

Hi all, Our next seminar will take place this Thursday (March 25) at 17h15 in HIT K51. Speaker: Renato Renner Title: Min-entropy sampling See you there! --Frédéric

1 0

Jump to page:

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

ITP-quantumseminare