On M-unambiguity of Parikh matrices
<div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>The Parikh matrix mapping was introduced by Mateescu <em>et al</em>. in 2001 as a canonical generalization of the classical Parikh m...
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Format: | Article |
Language: | English |
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InaCombS; Universitas Jember; dan Universitas Indonesia
2020-06-01
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Series: | Indonesian Journal of Combinatorics |
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Online Access: | http://www.ijc.or.id/index.php/ijc/article/view/131 |
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author | Wen Chean Teh |
author_facet | Wen Chean Teh |
author_sort | Wen Chean Teh |
collection | DOAJ |
description | <div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>The Parikh matrix mapping was introduced by Mateescu <em>et al</em>. in 2001 as a canonical generalization of the classical Parikh mapping. The injectivity problem of Parikh matrices, even for ternary case, has withstanded numerous attempts over a decade by various researchers, among whom is Serbanuta. Certain </span><em>M</em><span>-ambiguous words are crucial in Serbanuta's findings about the number of </span><em>M</em><span>-unambiguous prints. We will show that these words are in fact strongly </span><em>M</em><span>-ambiguous, thus suggesting a possible extension of Serbanuta’s work to the context of strong </span><span>M</span><span>-equivalence. In addition, initial results pertaining to a related conjecture by Serbanuta will be presented.</span></p></div></div></div> |
first_indexed | 2024-12-21T00:31:54Z |
format | Article |
id | doaj.art-024a34f95d3c41eb923d9e417ae6ce37 |
institution | Directory Open Access Journal |
issn | 2541-2205 |
language | English |
last_indexed | 2024-12-21T00:31:54Z |
publishDate | 2020-06-01 |
publisher | InaCombS; Universitas Jember; dan Universitas Indonesia |
record_format | Article |
series | Indonesian Journal of Combinatorics |
spelling | doaj.art-024a34f95d3c41eb923d9e417ae6ce372022-12-21T19:21:52ZengInaCombS; Universitas Jember; dan Universitas IndonesiaIndonesian Journal of Combinatorics2541-22052020-06-01411910.19184/ijc.2020.4.1.136On M-unambiguity of Parikh matricesWen Chean Teh0School of Mathematical Sciences, Universiti Sains Malaysia, 11800 USM, Malaysia<div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>The Parikh matrix mapping was introduced by Mateescu <em>et al</em>. in 2001 as a canonical generalization of the classical Parikh mapping. The injectivity problem of Parikh matrices, even for ternary case, has withstanded numerous attempts over a decade by various researchers, among whom is Serbanuta. Certain </span><em>M</em><span>-ambiguous words are crucial in Serbanuta's findings about the number of </span><em>M</em><span>-unambiguous prints. We will show that these words are in fact strongly </span><em>M</em><span>-ambiguous, thus suggesting a possible extension of Serbanuta’s work to the context of strong </span><span>M</span><span>-equivalence. In addition, initial results pertaining to a related conjecture by Serbanuta will be presented.</span></p></div></div></div>http://www.ijc.or.id/index.php/ijc/article/view/131parikh mappingsubword occurrenceinjectivity problemprintstrongly m-equivalent |
spellingShingle | Wen Chean Teh On M-unambiguity of Parikh matrices Indonesian Journal of Combinatorics parikh mapping subword occurrence injectivity problem strongly m-equivalent |
title | On M-unambiguity of Parikh matrices |
title_full | On M-unambiguity of Parikh matrices |
title_fullStr | On M-unambiguity of Parikh matrices |
title_full_unstemmed | On M-unambiguity of Parikh matrices |
title_short | On M-unambiguity of Parikh matrices |
title_sort | on m unambiguity of parikh matrices |
topic | parikh mapping subword occurrence injectivity problem strongly m-equivalent |
url | http://www.ijc.or.id/index.php/ijc/article/view/131 |
work_keys_str_mv | AT wencheanteh onmunambiguityofparikhmatrices |