# Constructing Fano 3-folds from cluster varieties of rank 2

@article{Coughlan2018ConstructingF3, title={Constructing Fano 3-folds from cluster varieties of rank 2}, author={Stephen Coughlan and Tom Ducat}, journal={arXiv: Algebraic Geometry}, year={2018} }

Cluster algebras give rise to a class of Gorenstein rings which enjoy a large amount of symmetry. Concentrating on the rank 2 cases, we show how cluster varieties can be used to construct many interesting projective algebraic varieties. Our main application is then to construct hundreds of families of Fano 3-folds in codimensions 4 and 5. In particular, for Fano 3-folds in codimension 4 we construct at least one family for 187 of the 206 possible Hilbert polynomials contained in the Graded Ring… CONTINUE READING

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## Birationally superrigid Fano 3-folds of codimension 4

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