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math.RT2023
Classification of marked elliptic root systems with non-reduced affine quotient
A. Fialowski, K. Iohara, Y. Saito
The class of root systems, called elliptic root systems, were introduced in 1985 by K. Saito, for his studies on a normal surface singularity which contains a regular elliptic curv…
math.RT2019
Invariants of the Weyl Group of Type
Kenji Iohara, Yosihisa Saito
In this note, we show the polynomiality of the ring of invariants with respect to the Weyl group of type .