2016/02/02 by Nosaka, Takefumi
#FOS: Mathematics #Geometric Topology (math.GT)
paper · doi:10.48550/arxiv.1602.01131
We show that bilinear cup products with local coefficients of closed 3-manifolds recover some twisted pairings of infinite covers and the Casson-Gordon local signatures. As a result, we further give diagrammatic computations of the pairings and signatures.