Forty years ago, Frank Wilczek was mulling over a bizarre type of particle that could live only in a flat universe. Had he put pen to paper and done the calculations, Wilczek would have found that ...
THE present treatise, constituting almost entirely an original work, was written during 1944-45 and communicated as a memoir to the Pontifical Academy of Sciences, by which it has been published as ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results