String topology

pp.929-930, 1965 Physical Review Letters יחד עם J.Arafune, C.J.Goebel ‏Topology of Higgs Fields (הטופולוגיה של שדות היגס) », Journal of Mathematical Physics

Press. pp. 172–195. Ooguri, Hiroshi (1992). "Partition Functions and Topology-Changing Amplitudes in the 3D Lattice Gravity of Ponzano and Regge". Nuclear