𝔖 Bobbio Scriptorium
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Ideals generated by R-sequences

✍ Scribed by Wolmer V Vasconcelos


Publisher
Elsevier Science
Year
1967
Tongue
English
Weight
435 KB
Volume
6
Category
Article
ISSN
0021-8693

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A combinatorial criterion for the toric ideal arising from a finite graph to be generated by quadratic binomials is studied. Such a criterion guarantees that every Koszul algebra generated by squarefree quadratic monomials is normal. We present an example of a normal non-Koszul squarefree semigroup