"Atsufumi Honda,Kosuke Naokawa,Kentaro Saji,Masaaki Umehara,Kotaro Yamada","On the existence of four or more curved foldings with common creases and crease patterns",,"Beitr?ge zur Algebra und Geometrie / Contributions to Algebra and Geometry",,,,,2021,Oct.
"梅原雅顕,山田光太郎,佐治健太郎","特異点をもつ曲線と曲面の幾何学",,"特異点をもつ曲線と曲面の微分幾何学","丸善出版",,,,2017,Dec.
"Kentaro Saji,Masaaki Umehara,Kotaro Yamada","Coherent tangent bundles and Gauss-Bonnet formulas for wave fronts",,"Journal of Geometric Analysis",,"Vol. 22",,"pp. 883--409",2012,Apr.
"Kentaro Saji,Masaaki Umehara,Kotaro Yamada","A_2-singularities of hypersurfaces with non-negative sectional curvature in Euclidean space",,"Kodai Math. J.",,"Vol. 34",,"pp. 390--409",2011,June
"Kentaro Saji,Masaaki Umehara,Kotaro Yamada","Ak singularities of wave fronts",,"Math. Proc. Cambridge Philos. Soc.",,"Vol. 146","No. 3","Page 731-746",2009,Sept.
"Kentaro Saji,Masaaki Umehara,Kotaro Yamada","The geometry of fronts",,"Ann. of Math.",,"Vol. 169","No. 2","Page 491-529",2009,Apr.