"On greedy codes" by Oscar M. Bumanglag Jr.

On greedy codes

Date of Publication

2015

Document Type

Master's Thesis

Degree Name

Master of Science in Mathematics

Subject Categories

Mathematics

College

College of Science

Department/Unit

Mathematics and Statistics

Thesis Adviser

Ederlina Nocon

Abstract/Summary

One of the special type of Lexicographic code is called the Greedy code (C) wherein all possible vectors in the eld Fn 2 where taken, starting from the zero vector up to the last vector in Fn 2 . This greedy codes are linear with dimension n {u100000} m where m is the index of the B-order of Fn 2 . The parity check matrix for C is H = [g(en) g(e2)g(e1)] where for any 1 i n, ei are the standard unit basis. Also for each vector z in Fn 2 , g(z) is the syndrome of z relative to H.

Triangular-greedy codes is one type of greedy code wherein it is generated from the triangular ordered basis. It contains only even weight vectors and for distance exactly equal to 2 the triangular-greedy code is the set of all even weight vectors. In this paper, I discuss the dimension of the triangular greedy-codes of length n and distance d. v

Abstract Format

html

Language

English

Format

Electronic

Accession Number

CDTG006405

Shelf Location

Archives, The Learning Commons, 12F Henry Sy Sr. Hall

Physical Description

1 computer optical disc ; 4 3/4 in.

Keywords

Algorithms

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