Julien March'e

activity

20222025

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2 papers · 1 filter

math.GT2025

Signatures in TQFT : Asymptotics and Modularity

Julien Marché, Gregor Masbaum

We study the signature $σ_{g} (\frac{q}{p})$ of $SU_{2}$ -TQFT vector spaces associated to surfaces of genus $g$ , as a function of the defining root of unity $ζ = e^{iπ q / p}$ . We pro…

math.GT2025

Reidemeister torsion of two-bridge knots and signatures of TQFT

Julien Marché, Seokbeom Yoon

We establish an explicit relation between the adjoint Reidemeister torsion of the two-bridge knot $K (p, q)$ at any parabolic representation and the Frobenius algebra governing the s…