Hyperplane sections of Grassmannians and the number of MDS linear codes
DSpace at IIT Bombay
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Title |
Hyperplane sections of Grassmannians and the number of MDS linear codes
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Creator |
GHORPADE, SR
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Subject |
schubert varieties
normality formula weights segre grassmannians mds codes hyperplane sections uniform matroids arcs in projective spaces |
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Description |
We obtain some effective lower and upper bounds for the number of (n, k)-MDS linear codes over F-q. As a consequence, one obtains an asymptotic formula for this number. These results also apply for the number of inequivalent representations over F-q of the uniform matroid or, alternatively, the number of F-q-rational points of certain open strata of Grassmannians. The techniques used in the determination of bounds for the number of MDS codes are applied to deduce several geometric properties of certain sections of Grassmannians by coordinate hyperplanes.
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Publisher |
ACADEMIC PRESS INC
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Date |
2011-07-12T12:30:41Z
2011-12-26T12:48:53Z 2011-12-27T05:34:22Z 2011-07-12T12:30:41Z 2011-12-26T12:48:53Z 2011-12-27T05:34:22Z 2001 |
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Type |
Article
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Identifier |
FINITE FIELDS AND THEIR APPLICATIONS, 7(4), 468-506
1071-5797 http://dx.doi.org/10.1006/ffta.2000.0299 http://dspace.library.iitb.ac.in/xmlui/handle/10054/3326 http://hdl.handle.net/10054/3326 |
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Language |
en
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