3 papers
math.NT2026
ABC implies that Ramanujan's tau function misses almost all primes
David Kurniadi Angdinata, Evan Chen, Chris Cummins +21
Lehmer conjectured that Ramanujan's tau-function never vanishes. In a related direction, a folklore conjecture asserts that infinitely many primes arise as absolute values of Raman…
math.DS2026
On the paucity of lattice triangles
David Kurniadi Angdinata, Evan Chen, Ken Ono +2
A rational triangle (one whose angles are rational multiples of ) unfolds to a translation surface . The lattice triangle problem asks to classify those for…
math.NT2026
Computing L-functions of -adic representations of global function fields
David Kurniadi Angdinata
The L-function of an almost everywhere unramified -adic representation of a global function field is known to be a rational functi…