1. Relative Periodic Solutions of the N-Vortex Problem Via the Variational Method.  

       

Arch Rational Mech Anal 231, 1401–1425 (2019). https://doi.org/10.1007/s00205-018-1300-y

2. Choreographic Holomorphic Spheres with Application to Hamiltonian Systems of N-Vortex Type. 

3. The N-Vortex Problem on a Riemann Sphere