[talks] Fwd: EE Seminar-Wednesday, May 25, 2016, 3:30pm, E-Quad B205, Arya Mazumdar, Locally Repairable Codes

Nicole E. Wagenblast nwagenbl at CS.Princeton.EDU
Mon May 23 09:09:50 EDT 2016






DEPARTMENT OF 

ELECTRICAL ENGINEERING SEMINAR SERIES 







Speaker: Dr. Arya Mazumdar 

University of Massachusetts at Amherst 

Title: Locally Repairable Codes 

Date: Wednesday, May 25, 2016 

Time: 3:30pm 

Room: E-Quad, B205 

Host: Prof. Emmanuel Abbe 



Abstract: Due to applications in large-scale distributed storage systems, local repair properties of codes have recently earned a lot of attention. In the first part of the talk, we show that generalized locality properties of codes lead to the notion of a graph capacity that is fundamental in the study of network flow problems. This amazingly reveal a new connection between locally repairable codes (LRC) and broadcasting with side information (index coding). 



We further elaborate on the central challenge in this area: deriving fundamental limits on locally repairable codes over small alphabet, and construction of maximally recoverable codes. We present our very recent result on optimum rate of LRC that outperform all previous results. 













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