"Beyond endoscopy", broadly interpreted, is the idea that
functoriality should be realized as a comparison between stable
trace formulas. The nature of this comparison, however, remains
completely unclear.
Magnetars produce beautiful fireworks in x-rays and gamma-rays:
small, large, and stupendous flares, fast quasi-periodic
oscillations (QPOs), as well as transient increases of their
luminosities on timescales of months to years. How the release
of...
