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An improvement of the Johnson bound for subspace codes

URN to cite this document: urn:nbn:de:bvb:703-epub-3345-3

Title data

Kiermaier, Michael ; Kurz, Sascha:
An improvement of the Johnson bound for subspace codes.
Bayreuth , 2017 . - 9 S.

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Project information

Project title:
Project's official titleProject's id
Integer Linear Programming Models for Subspace Codes and Finite GeometryNo information

Project financing: Deutsche Forschungsgemeinschaft

Abstract

Subspace codes, i.e., subset of a finite-field Grassmannian, are applied in random linear network coding. Here we give improved upper bounds based on the Johnson bound and a connection to divisible codes, which is presented in a purely geometrical way. This complements a recent approach for upper bounds on the maximum size of partial spreads based on projective $q^r$-divisible codes.

Further data

Item Type: Preprint, postprint
Keywords: subspace codes; divisible codes; Johnson bound; network coding
Subject classification: Mathematics Subject Classification Code: 51E23 (05B40)
DDC Subjects: 000 Computer Science, information, general works > 004 Computer science
500 Science > 510 Mathematics
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Mathematics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Mathematics > Chair Mathematics in Economy
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Language: English
Originates at UBT: Yes
URN: urn:nbn:de:bvb:703-epub-3345-3
Date Deposited: 13 Jul 2017 05:50
Last Modified: 13 Jul 2017 05:50
URI: https://epub.uni-bayreuth.de/id/eprint/3345

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