About the image of the total signature map in the two-dimensional case. Jean-Philippe Monnier — 1997 Manuscripta mathematica
Clifford’s Theorem for real algebraic curves Jean-Philippe Monnier — 2010 Annales de l’institut Fourier We establish, for smooth projective real curves, an analogue of the classical Clifford inequality known for complex curves. We also study the cases when equality holds.