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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ballico, Edoardo |
| Copyright Year | 2016 |
| Abstract | In linear network coding the information is encoded in terms of a basis of a vector space and it is received as a basis of a possible altered vector space. In the constant dimension case Koetter and Kschischang introduced a metric on the Grassmannian and proved efficient and correct decoding in terms of this metric. Here we introduce a second order invariant of the code: the minimum dimension of the linear span of 3 different linear subspaces belonging to the code. This is the case $$s=3$$ of a family $$d_s$$ and $$d'_s$$ , $$s\ge 3$$ , of invariants of network codes. We study these invariants in a case recently proposed by Hansen (the set of all osculating spaces of a Veronese embedding of a finite projective space) and for a related case (the set of osculating spaces to curves of positive genus) with a complete description of the case of elliptic curves and the ones related to the Hermitian curve. |
| Starting Page | 1003 |
| Ending Page | 1020 |
| Page Count | 18 |
| File Format | |
| ISSN | 10129405 |
| Journal | Afrika Matematika |
| Volume Number | 27 |
| Issue Number | 5-6 |
| e-ISSN | 21907668 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-02-13 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Linear network coding Grassmannian Osculating space Generalized Hamming weight Constant dimension linear network coding Veronese embedding Elliptic curve Hermitian curve Geometric methods Projective techniques Mathematics Applications of Mathematics History of Mathematical Sciences Mathematics Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mathematics |
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