On applications of orbit codes to storage

We consider orbit codes, namely subspace codes obtained from orbits of the action of subgroups of GLn(Fq) on m-dimensional subspaces of Fnq. We discuss their applicability to design storage codes, in particular in the context of collaborative repair: we identify known storage codes that can be inter...

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Bibliographic Details
Main Authors: Liu, Shiqiu, Oggier, Frédérique
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2016
Subjects:
Online Access:https://hdl.handle.net/10356/83424
http://hdl.handle.net/10220/41425
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Institution: Nanyang Technological University
Language: English
Description
Summary:We consider orbit codes, namely subspace codes obtained from orbits of the action of subgroups of GLn(Fq) on m-dimensional subspaces of Fnq. We discuss their applicability to design storage codes, in particular in the context of collaborative repair: we identify known storage codes that can be interpreted as orbit codes, motivate why orbit codes provide good candidates for storage codes, and translate the storage code parameters into those of the algebraic objects involved. Two simple families of storage orbit codes are given.