Papers from the 4th Workshop on Singularities in Generic Geometry and Applications (Valencia IV) held at Kobe University in Kobe, Japan, June 3-6, 2015, and the Research Institute of Mathematical Science (RIMS) in Kyoto, Japan, June 8-10, 2015.
Includes bibliographical references.
Spherical method for studying Wulff shapes and related topics / Huhe Han and Takashi Nishimura -- Singularities of frontals / Goo Ishikawa -- The theory of graph-like Legendrian unfoldings : Equivalence relations / Shyuichi Izumiya -- Asymptotic directions on a surface in a 4-dimensional metric Lie group / Pierre Bayard and Federico Sánchez-Bringas -- Singularity analysis of lightlike hypersurfaces of partially null curves / Xiupeng Cui and Donghe Pei -- Triply periodic zero mean curvature surfaces in Lorentz-Minkowski 3-space/ Shoichi Fujimor -- Hamiltonian systems on submanifolds / T. Fukuda and S. Janeczko -- Equidistants and their duals for families of plane curves / Peter Giblin and Graham Reeve -- Rectifying developable surfaces of framed base curves and framed helices / Shun'ichi Honda -- On keen Heegaard splittings / Ayako Ido, Yeonhee Jang, and Tsuyoshi Kobayashi -- Evolutes of curves in the Lorentz-Minkowski plane / S. Izumiya, M. C. Romero Fuster, and M. Takahashi -- A new method for computing the limiting tangent space of an isolated hypersurface singularity via algebraic local cohomology / Katsusuke Nabeshima and Shinichi Tajima -- Constant mean curvature surfaces with D4-singularities / Yuta Ogata and Keisuke Teramoto -- Singularities of secant maps on closed plane curves / María Carmen Romero Fuster and Luís Sanhermelando Rodríguez -- Discrete linear Weingarten surfaces with singularities in Riemannian and Lorentzian spaceforms / Wayne Rossman and Masashi Yasumoto -- On pairs of geometric foliations on a cuspidal edge / Kentaro Saji -- Implicit Hamiltonian systems and singular curves of distributions / Asahi Tsuchida -- Weierstrass-type representations for timelike surfaces / Masashi Yasumoto