... further results for a one-dimensional transport equation with nonlocalflux, Comm. Appl. Anal. 1 (1997), 315–336.[12]T. Sakajo, On global solutions for the Constantin-Lax-Majda equation with ... A. FONTELOSlies in the nonlocality of the velocity. Since the fundamental problem concern-ing both 3D Euler and Birkhoff-Rott equations is the formation of singularities in finite time, the main ... equation with nonlocal velocity By Antonio C´ordoba, Diego C´ordoba, and Marco A. Fontelos Annals of Mathematics, 162 (2005), 1377–1389Formation of singularities for a transportequation...