"Godai Azuma,Mituhiro Fukuda,Sunyoung Kim,Makoto Yamashita*","Tightness conditions of SDP relaxation for QCQPs with bipartite graph structure","10th International Congress on Industrial and Applied Mathematics",,,,,,2023,Aug. "Godai Azuma,Mituhiro Fukuda,Sunyoung Kim,Makoto Yamashita","Tight Semidefinite Relaxations for Sign-Indefinite Qcqps with Bipartite Structures","SIAM Conference on Optimization 2023",,,,,,2023,June "Godai Azuma","On the Exactly Solvable Conditions of Quadratically Constrained Quadratic Program with Sparsity Structures",,,,,,,2023,Mar. "Godai Azuma","On the Exactly Solvable Conditions of Quadratically Constrained Quadratic Program with Sparsity Structures",,,,,,,2023,Mar. "Godai Azuma","On the Exactly Solvable Conditions of Quadratically Constrained Quadratic Program with Sparsity Structures",,,,,,,2023,Mar.