Hezenci, FatihSözen, Yaşar2020-04-302020-04-3020180022-24881089-7658https://doi.org/10.1063/1.5021318https://hdl.handle.net/20.500.12684/2423HEZENCI, fatih/0000-0003-1008-5856WOS: 000443724800018Let Sigma be a closed orientable surface of genus at least 2 and G be one of the exceptional groups G(2), F-4, and E-6. The present article considers the set Rep(Sigma, G) of G-valued representations from the fundamental group pi(1)(Sigma) of the surface Sigma to the exceptional group G. It proves that for such representations the notion of Reidemeister torsion is well-defined. It also establishes a formula for computing Reidemeister torsion of such representations in terms of the well-known symplectic structure on Rep(Sigma, G), namely, the Atiyah-Bott-Goldman symplectic form for the Lie group G. Moreover, it applies to G-valued Hitchin representations. Published by AIP Publishing.en10.1063/1.5021318info:eu-repo/semantics/closedAccessArticle598WOS:000443724800018Q2Q2