%0 Journal Article %A Norio Konno %A Iwao Sato %A Etsuo Segawa %T Phase measurement of quantum walks: application to structure theorem of the positive support of the Grover walk %J The electronic journal of combinatorics %D 2019 %V 26 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/7618/ %R 10.37236/7618 %F 10_37236_7618