Functoriality proved for higher rho invariants of elliptic operators.
arXiv research
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We study the problem of coupling Einstein's equations to a relativistic and physically well-motivated version of the Navier-Stokes equations. Under a natural evolution condition for the vorticity, we prove existence and uniqueness in a suitable Gevrey class if the fluid is incompressible, where this condition is given …
A semicontinuous semifinite trace is constructed on the C*-algebra generated by the finite propagation operators acting on the L^2-sections of a hermitian vector bundle on an amenable open manifold of bounded geometry. This trace is the semicontinuous regularization of a functional already considered by J. Roe. As an a…
Using a simple and well-motivated modification of the stress-energy tensor for a viscous fluid proposed by Lichnerowicz, we prove that Einstein's equations coupled to a relativistic version of the Navier-Stokes equations are well-posed in a suitable Gevrey class if the fluid is incompressible and irrotational. These la…
We establish new Calderón reproducing formulas for self-adjoint operators that generate strongly continuous groups with finite propagation speed. These formulas allow the analysing function to interact with through holomorphic functional calculus whilst the synthesising function interacts with through funct…
New Hilbert bundles with ends defined from indexed bases.