3 papers
math.DG2026
Eigenforms and special holonomy
Bobby Acharya, Lucía Cabrera, Simone Corbo +1
We prove existence and non-existence results for eigenforms for the Hodge Laplacian on complete non-compact Ricci flat manifolds with special holonomy, with a particular focu…
hep-th2025
QCD String Axions and -theory
Bobby Samir Acharya, Ethan Torres
In Yang-Mills theory without matter, there exist stable long electric fluxtube strings which carry a 1-form symmetry charge. Over the past decade or so, there has been incr…
hep-th2025
On Classifying HyperKähler Kummer 8-Orbifolds
Daniel Andrew Baldwin, Bobby Samir Acharya
HyperKähler spaces, including manifolds, orbifolds and conical singularities play an important role in superstring/-theory and gauge theories as well as in differential and alg…