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Quantum low density parity check codes

Authors: Popatia, Tabriz;

Quantum low density parity check codes

Abstract

Low density Parity Check (LDPC) Codes are asymptotically good codes with a fast decoding algorithm, and hence have extensive applications. A lot of work has been done on constructing a quantum code with LDPC properties. Recent breakthroughs show that it is possible to construct a quantum LDPC code that is asymptotically good (meaning the distance of the code grows at the same rate as the length); however, no explicit construction currently exists. In this thesis we give an explicit construction of a non Calderbank Shor Steane (CSS) quantum LDPC code from projective geometries. The construction we lay out gives a code that at best has a distance that grows at a rate of one quarter root of the length. Despite the limitations on the distance, the code that we give has the nice property that it can be decoded in linear time.

Country
Spain
Keywords

Quantum Codes from Projective Geometries, Combinatorial analysis, Quantum Codes from Projective Geometries., Quantum Error Correcting Codes, Combinacions (Matemàtica), :05 Combinatorics [Classificació AMS], Àrees temàtiques de la UPC::Matemàtiques i estadística::Matemàtica discreta::Combinatòria, :Matemàtiques i estadística::Matemàtica discreta::Combinatòria [Àrees temàtiques de la UPC], Classificació AMS::05 Combinatorics, Quantum Low Density Parity Check Codes

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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