Toward Complex Geometry of Teichmüller Space with Extremal Length Geometry—A Complex Chart Associated with Extremal Length Variational Formulas for Principal Functions and Applications Properties of Quasisymmetric Homeomorphisms in the Weil-Petersson Class Diophantine Approximation and Lattice Actions on the Clifford Plane On Relations among Multiple Zeta Values Obtained in Knot Theory Penner Coordinates for Closed Surfaces Applications of the Dynnikov Coordinate System on the Boundary of Teichmüller Space Motions of Limit Sets: A Survey Symmetric Groups and Checker Triangulated Surfaces On Real and Singular Nerves of Moduli Space of Compact Riemann Surfaces Calabi-Yau Varieties: from Quiver Representations to Dessins d'Enfants Hurwitz Groups as Monodromy Groups of Dessins: SeveralExamples Differential Relations for Almost Belyi Maps Belyi Pairs in the Critical Filtrations of Hurwitz Spaces