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Decompositions of birational toric morphism between threefolds

Lingyao Xie

Source record

Source: arXiv

Published: Oct 27, 2026

arXiv: 2610.36802

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Source abstract

Let f:X→Yf:X\to Y be a birational morphism between smooth projective threefolds, Kollár asked that if ff could be decomposed into smooth blow-downs and smooth flops. In this paper we show that the toric version is true.

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Decompositions of birational toric morphism between threefolds — Mathematical Frontier Network