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White Paper and Roadmap for Quantum Gravity Phenomenology in the Multi-Messenger Era
R. Alves Batista, G. Amelino-Camelia, D. Boncioli +101
The unification of quantum mechanics and general relativity has long been elusive. Only recently have empirical predictions of various possible theories of quantum gravity been put…
Holomorphic General Coordinate Invariant Modified Measure Gravitational Theory
Eduardo Guendelman
Complexifying space time has many interesting applications, from the construction of higher dimensional unification, to provide a useful framework for quantum gravity and to better…
Strings versus Anti Strings in the inversion invariant or proper volume formulation
E. Guendelman
The specific model studied is in the context of the modified measure formulation the string or branes where tension appear as an additional dynamical degree of freedom . We then co…
Signed Coordinate Invariance, invariant lagrangians and manifolds, the time problem in quantum cosmology, quantum space time, spacetimes and antispacetimes
Eduardo Guendelman
Standard general coordinate invariance for the volume element is extended to general coordinate transformations that have a negative jacobian. This is possible by introducing a non…
Modified Measures as an Effective Theory for Causal Fermion Systems
Felix Finster, Eduardo Guendelman, Claudio F. Paganini
We compare the structures of the theory of causal fermion systems (CFS), an approach to unify quantum theory with general relativity (GR), with those of modified measure theories (…
Unification: Emergent universe followed by inflation and dark epochs from multi-field theory
Eduardo Guendelman, Ramon Herrera
A two scalar field model that incorporates non Riemannian Measures of integration or usually called Two Measures Theory (TMT) is introduced, in order to unify the early and present…