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