"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...
Invariant theory studies the actions of groups on vector spaces and
what polynomial functions remain invariant under these actions. An
important object related to a group action is the null cone, which
is the set of common zeroes of all homogeneous...
