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math.SP2026
Heat and Wave kernel expansions for stationary spacetimes
Alexander Strohmaier, Steve Zelditch
The generator of time-translations on the solution space of the wave equation on stationary spacetimes specialises to the square root of the Laplacian on Riemannian manifolds when…
math.SP2024
-nodal domain theorems for higher dimensional circle bundles
Junehyuk Jung, Steve Zelditch
We prove that the real parts of equivariant (but non-invariant) eigenfunctions of generic bundle metrics on nontrivial principal bundles over manifolds of any dimension have…