Differential Geometry
Ulrich Pinkall & Oliver Gross
Elements of General Relativity
Piotr T. Chruściel
An Introduction to the Language of Category Theory
Steven Roman
Numerical Semigroups
Jürgen Herzog, Somayeh Moradi & Masoomeh Rahimbeigi
Introduction to Quasi-Monte Carlo Integration and Applications
Gunther Leobacher & Friedrich Pillichshammer
Introduction to Spectral Graph Theory
Kiyan Naderi & Konstantin Pankrashkin
Projective Geometry
Emre Coskun
Tensors for Scientists
Ana Cannas da Silva, Özlem Imamoğlu & Alessandra Iozzi
Tessellations with Stars and Rosettes
Toni Sellarès
Introduction to Ring and Module Theory
Alberto Facchini