Mori dream space;
rationally connected variety;
birational rigidity;
D O I:
10.1017/S0013091518000408
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
In this short note, we show that a construction by Ottem provides an example of a rationally connected variety that. is not birationally equivalent to a Mori dream space with terminal singularities.
机构:
Univ Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, ItalyUniv Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, Italy
Codogni, Giulio
Fanelli, Andrea
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机构:
Univ London Imperial Coll Sci Technol & Med, Dept Math, 180 Queens Gate, London SW7 2AZ, EnglandUniv Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, Italy
Fanelli, Andrea
Svaldi, Roberto
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机构:
MIT, Dept Math, 50 Ames St, Cambridge, MA 02142 USAUniv Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, Italy
Svaldi, Roberto
Tasin, Luca
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机构:
Univ Bonn, Math Inst, Endenicher Allee 60, D-53115 Bonn, GermanyUniv Rome Tre, Dipartimento Matemat & Fis, Largo San Leonardo Murialdo 1, I-00146 Rome, Italy