TY - GEN AU - Kuntz,IberĂȘ TI - Gravitational theories beyond general relativity T2 - Springer Theses SN - 9783030211967 U1 - 530.11 23 PY - 2019/// CY - Cham PB - Springer KW - Physics KW - Gravitional Theories KW - General Relativity KW - Cosmology KW - Quantum Gravity N1 - Includes bibliographical references; 1. Introduction -- 2. Equivalence Between Dark Matter and Modified Gravity -- 3. Gravitational Waves in Quantum Gravity -- 4. Backreaction of Quantum Gravitational Modes -- 5. Higgs-Starobinsky Inflation -- 6. Vacuum Stability During Inflation -- 7. Conclusions -- Appendix A : Perturbative Unitarity N2 - The these of Dr. Ibere Oliveira Kuntz de Souza's Ph.D. work has been excellent and fully deserved to be published as a Springer Thesis. It Nominated as an outstanding Ph.D. thesis by the University of Sussex, Brighton, UK. It includes a concise review of classical and quantum general relativity, its extensions and applications to cosmology. Demonstrates the equivalence between particle dark matter and modifications of general relativity designed to account for the anomalous galaxy rotation curves. It provides an extensive investigation of the implications of quantum gravity for gravitational waves and inflation ER -