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We show that the Brauer group of the moduli space of stable pairs with ?xed determinant over a curve is zero.texto impreso
Using the L2-norm of the Higgs field as a Morse function, we study the moduli space of parabolic U(p, q)-Higgs bundles over a Riemann surface with a finite number of marked points, under certain genericity conditions on the parabolic structure. [...]texto impreso
Let X be a smooth complex projective curve of genus g?2. A pair on X is formed by a vector bundle E?X and a global non-zero section ??H 0(E). There is a concept of stability for pairs depending on a real parameter ?, giving rise to moduli spaces[...]
