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| viXra.org > Combinatorics and Graph Theory > viXra:2005.0074 |
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Combinatorics and Graph Theory |
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Authors: Mohamed sghiar
In this article, by algebraic and geometrical techniques, I give a proof to the famous Ulam's conjecture on the (-1)-reconstruction of the symmetric graphs with at least 3 elements conjectured in 1942, although was published only in 1960.
Comments: 8 Pages. French and accepted version
Download: PDF
[v1] 2020-05-06 08:55:54
[v2] 2020-06-07 13:18:16
Unique-IP document downloads: 355 times
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