TY - JOUR AU - Borislavov Vasilev, Teodor AU - Bouhmadi López, Mariam AU - Martín Moruno, María Del Prado PY - 2021 DO - 10.3390/universe7080288 SN - 2218-1997 UR - https://hdl.handle.net/20.500.14352/4822 T2 - Universe AB - The big rip, the little rip and the little sibling of the big rip are cosmological doomsdays predicted by some phantom dark-energy models that could describe the future evolution of our universe. When the universe evolves towards either of these... LA - eng M2 - 288 PB - MDPI KW - quantum cosmology KW - quantum geometrodynamics KW - Wheeler-DeWitt equation KW - extended theories of gravity KW - dark energy singularities TI - Classical and Quantum f(R) Cosmology: The Big Rip, the Little Rip and the Little Sibling of the Big Rip TY - journal article VL - 7 ER -