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Abstract: J. Herzog, T. Hibi, N. V. Trung and X. Zheng characterize the vertex coveralgebras which are standard graded. In this paper we give a simplecombinatorial criterion for the standard graded property of vertex coveralgebras in the case of quasi-trees. We also give an example of how thiscriterion works and compute the maximal degree of a minimal generator in thatcase.



Autor: Alexandru Constantinescu, Le Dinh Nam

Fuente: https://arxiv.org/



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