Parametrization of Kloosterman sets and ${\mathrm{SL}}_3$-Kloosterman sums

Eren Mehmet Kıral, Maki Nakasuji

We stratify the ${\mathrm{SL}}_3$ big cell Kloosterman sets using the reduced word decomposition of the Weyl group element, inspired by the Bott-Samelson factorization. Thus the $\ma…