Masaru Hasegawa
- Singularities of parallel surfaces
2012/03/16 by Toshizumi Fukui, Fukui, Toshizumi, Masaru Hasegawa +1 · 3 citations
Mathematics · #53A0 #58K05 #58K3 #Advanced Differential Equations and Dynamical Systems #Differential Geometry (math.DG) #FOS: Mathematics #Geometric and Algebraic Topology #Mathematics and Applications #math.DG #msc:53A0 #msc:58K05 #msc:58K3
- Intrinsic Invariants of Cross Caps
2012/07/17 by Masaru Hasegawa, Hasegawa, Masaru, Atsufumi Honda +7 · 1 citation
Mathematics · Physics and Astronomy · #53A05 #53R45 #Differential Geometry (math.DG) #FOS: Mathematics #Geometric and Algebraic Topology #Homotopy and Cohomology in Algebraic Topology #Nonlinear Waves and Solitons #math.DG #msc:53A05 #msc:53R45
- Height functions on Whitney umbrellas
2012/05/14 by Toshizumi Fukui, Fukui, Toshizumi, Masaru Hasegawa +1 · 1 citation
Decision Sciences · Engineering · Mathematics · #Advanced Numerical Analysis Techniques #Advanced Topology and Set Theory #Differential Geometry (math.DG) #FOS: Mathematics #Fuzzy and Soft Set Theory #math.DG