Results 121 to 130 of about 29,700 (193)

Homogeneous and isotropic cosmology in general teleparallel gravity. [PDF]

open access: yesEur Phys J C Part Fields, 2023
Heisenberg L, Hohmann M, Kuhn S.
europepmc   +1 more source

Invariance Principle for Lifts of Geodesic Random Walks. [PDF]

open access: yesJ Theor Probab
Junné J, Redig F, Versendaal R.
europepmc   +1 more source

Surgery and positive Bakry-Émery Ricci curvature. [PDF]

open access: yesCalc Var Partial Differ Equ
Reiser P, Tripaldi F.
europepmc   +1 more source

Cartan structure equations and Levi-Civita connection in noncommutative geometry

open access: yes
v3 56pp. Added: 1) explicit expression of Levi-Civita connection 2) tensor square of Sweedler Hopf alg. as Einstein manifold with non-central metric. Improved introduction. Old Rmks 2.6 & 2.8 & proof of Thm. 4.8 dropped, proofs of Thm. 2.5, Prop. 3.7, Lem. 4.2 shortened. v2 54pp. Completed diff. & Cartan calculus plus ex.
openaire   +2 more sources

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