Chaabane Rejeb

activity

20232026

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math-ph2023

New formula for the prepotentials associated with Hurwitz-Frobenius manifolds and generalized WDVV equations

Chaabane Rejeb

We consider the Hurwitz spaces of ramified coverings of $P^{1}$ with prescribed ramification profile over the point at infinity. By means of a particular symmetric bidiffere…

math.AP2023

Green function and Poisson kernel associated to root systems for annular regions

Chaabane Rejeb

Let $Δ_{k}$ be the Dunkl Laplacian relative to a fixed root system $R$ in $R^{d}$ , $d \geq 2$ , and to a nonnegative multiplicity function $k$ on $R$ . Our fir…