Report on one month visit to the Yukawa Institute of Theoretical Physics, April-May, 2019

I report on a one month visit to the YITP as a Visiting Fellow supported by the International Research Unit of Advanced Future Studies, from April 14-May 14, 2019. For the first two weeks I participated in a Molecule-type International Workshop on "Frontiers of Lattice QCD and related topics, " and for the remaining time worked on a series of projects further developing the three-particle quantization condition