Geometry – Latest research

Quandle varieties

Great antipodal sets on complex Grassmannian manifolds as　designs with the smallest cardinalities

The elliptic modular surface of level 4 and its reduction modulo 3

Rational double points on Enriques surfaces

Finiteness of the Reidemeister torsion

Geodesics on strong Kropina manifolds

A VARIATIONAL PROBLEM FOR CURVES ONFINSLER SURFACES

Homologically fibered knots

Extending automorphisms of the genus-2 surface over the 3-sphere

The mapping class groups of reducible Heegaard splittings of genus two

Strong disk property and open Riemann surfaces