Fractal Geometry, Complex Dimensions and Zeta Functions Geometry and Spectra of Fractal Strings

First Steps in Differential Geometry Riemannian, Contact, Symplectic

Hypoelliptic Laplacian and Bott–Chern Cohomology A Theorem of Riemann–Roch–Grothendieck in Complex Geometry

Differential Geometry and Mathematical Physics Part I. Manifolds, Lie Groups and Hamiltonian Systems

Developments of Harmonic Maps, Wave Maps and Yang-Mills Fields into Biharmonic Maps, Biwave Maps and Bi-Yang-Mills Fields

Dynamical Systems An Introduction