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Decompositions of birational toric morphism between threefolds
Abstract
Let f:X→ Y be a birational morphism between smooth projective threefolds, Kollár asked that if f 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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BibTeX
@misc{xie2026decompositions,
title = {{Decompositions of birational toric morphism between threefolds}},
author = {Lingyao Xie},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.36802},
eprint = {2610.36802},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.36802},
}
RIS
TY - UNPB
TI - Decompositions of birational toric morphism between threefolds
AU - Lingyao Xie
PY - 2026
DA - 2026/10/27
PB - arXiv
DO - 10.48550/arxiv.2610.36802
UR - https://arxiv.org/abs/2610.36802
AB - Let f:X→ Y be a birational morphism between smooth projective threefolds, Kollár asked that if f could be decomposed into smooth blow-downs and smooth flops. In this paper we show that the toric version is true.
ER -