Doug P. Hardin

Hardin D. P., Michaels T., Saff E. B. (2016) "A Comparison of Popular Point Configurations on S^2 " Dolomites Research Notes on Approximation, 9(1), 16-49. DOI: 10.14658/PUPJ-DRNA-2016-1-2  

Boyvalenkov P. G., Dragnev P. D., Stoyanova M. M., Hardin D. P., Saff E. B. (2015) "Universal upper and lower bounds on energy of spherical designs " Dolomites Research Notes on Approximation, 8(Special_Issue), 51-65. DOI: 10.14658/PUPJ-DRNA-2015-Special_Issue-6