The resolution of the universal Abel map via tropical geometry and applications

Let g and n be nonnegative integers A = ( a 0 , … ) sequence of + 1 summing up to d . M ? the moduli space -pointed stable curves genus J ? ? Esteves' universal Jacobian, where is genus- polarization degree We give an explicit resolution Abel map ? : ? taking pointed curve X p O ? ? i The blowup giving rise inspired by tropical analogue (in category generalized cone complexes). As application, we describe double ramification cycle in terms sheaf inducing