Browsing by Author "Nguyen, Hong Duc"

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    Euler reflexion formulas for motivic multiple zeta functions
    (Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach, 2015) Lê, Quy Thuong; Nguyen, Hong Duc
    We introduce a new notion of *-product of two integrable series with coefficients in distinct Grothendieck rings of algebraic varieties, preserving the integrability and commuting with the limit of rational series. In the same context, we define a motivic multiple zeta function with respect to an ordered family of regular functions, which is integrable and connects closely to Denef-Loeser's motivic zeta functions. We also show that the *-product is associative in the class of motivic multiple zeta functions. Furthermore, a version of the Euler re exion formula for motivic zeta functions is nicely formulated to deal with the *-product and motivic multiple zeta functions, and it is proved for both univariate and multivariate cases by using the theory of arc spaces. As an application, taking the limit for the motivic Euler re exion formula we recover the well known motivic Thom-Sebastiani theorem.