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نویسنده
چکیده
In their paper “Quantum cohomology of projective bundles over IP” (Trans. Am. Math. Soc. (1998) 350:9 3615-3638) Z. Qin and Y. Ruan introduce interesting techniques for the computation of the quantum ring of Fano manifolds which are projectivized bundles over projective spaces; in particular, in the case of splitting bundles they prove under some restrictions the conjecture of Batyrev about the quantum ring of toric manifolds. We give examples of splitting bundles whose associated projective bundle are Fano manifolds which do not satisfy the Batyrev conjecture.
منابع مشابه
Çò Øøø Õùùòøùñ Óóóñóðóóý Óó Òó Ùòòðð× Óúö Ôöó Blockinøøú ×ôô Blockin Blockin×
In their paper “Quantum cohomology of projective bundles over IP” (Trans. Am. Math. Soc. (1998) 350:9 3615-3638) Z. Qin and Y. Ruan introduce interesting techniques for the computation of the quantum ring of manifolds which are projectivized bundles over projective spaces; in particular, in the case of splitting bundles they prove under some restrictions the formula of Batyrev about the quantum...
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تاریخ انتشار 2000