King's conjecture on exceptional collections of line bundles

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A smooth toric variety is a variety defined by a smooth complete fan, and an exceptional collection of line bundles is a sequence of line bundles forming an exceptional collection in its derived category; it is full if it generates the derived category and strong if all higher Ext groups between its objects vanish.

King's conjecture. Every smooth toric variety possesses a full strong exceptional collection of line bundles.

This conjecture concerns the existence of particularly well-behaved generators for derived categories of coherent sheaves on smooth toric varieties. The source attributes it to Alastair King; no resolution status is supplied here.

References

Primary source

Chengxi Wang, “On H-trivial line bundles on toric DM stacks of dimension two”, arXiv:1812.01758 (2018).

Additional references

2 papers in this index state this conjecture (2010–2018). The statement above is taken from the most recent of them; the others are arXiv:1002.1666.

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