60 Years of Yang–Mills Gauge Field Theories : Yang–Mills Theory at 60: Milestones, Landmarks and Interesting Questions
What are some unanswered questions that we can expect to be solved with the unification of general relativity and quantum mechanics? - Quora
![PDF) Existence of Mass-Gap & Pure Yang – Mills Theory (Final Version presented as poster in the Conference “Quark Confinement and Hadron Spectrum XI” 7 – 12 September, 2014 held in St. Petersburg, Russia) PDF) Existence of Mass-Gap & Pure Yang – Mills Theory (Final Version presented as poster in the Conference “Quark Confinement and Hadron Spectrum XI” 7 – 12 September, 2014 held in St. Petersburg, Russia)](https://i1.rgstatic.net/publication/265468891_Existence_of_Mass-Gap_Pure_Yang_-_Mills_Theory_Final_Version_presented_as_poster_in_the_Conference_Quark_Confinement_and_Hadron_Spectrum_XI_7_-_12_September_2014_held_in_St_Petersburg_Russia/links/540fec8d0cf2f2b29a3deff0/largepreview.png)