Fumikazu Nagasato, Shinnosuke Suzuki. Ghost characters and character varieties of 2-fold branched covers. ArXiv https://arxiv.org/pdf/1708.01511.pdf. 2017
Fumikazu Nagasato, Shinnosuke Suzuki. Trace-free characters and abelian knot contact homology II. ArXiv https://arxiv.org/pdf/1708.00874.pdf. 2017
Fumikazu Nagasato. Trace-free characters and abelian knot contact homology I. ArXiv https://arxiv.org/pdf/1708.00851.pdf. 2017
Fumikazu Nagasato. On the trace-free characters. RIMS Kokyuroku. 2013. 1836. 110-123
Fumikazu Nagasato. On low-dimensional topology and knot theory. Research Reports of the Faculty of Science and Technology, Meijo University. 2009. 49. 49. 13-19