Not signed in (Sign In)

Not signed in

Want to take part in these discussions? Sign in if you have an account, or apply for one below

  • Sign in using OpenID

Site Tag Cloud

2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration finite foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nlab noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf sheaves simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

Welcome to nForum
If you want to take part in these discussions either sign in now (if you have an account), apply for one now (if you don't).
    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeJun 14th 2023

    starting something

    v1, current

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeJun 14th 2023

    Have added more references,

    such as to English translations (by Delphenich) of Kottler’s original articles

    as well as to

    • Edmund T. Whittaker: pp. 192-196 of: A History of the Theories of Aether and Electricity – * Vol. 2: The Modern Theories 1900-1926 (1953), reprinted by Humanities Press (1973) [pdf, Wikipedia entry]

    and

    diff, v4, current

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeJun 15th 2023

    finally found the exact passage in Cartan’s work:

    • Élie Cartan, §80 in: Sur les variétés à connexion affine, et la théorie de la relativité généralisée (première partie) (Suite), Annales scientifiques de l’É.N.S. 3e série, tome 41 (1924) 1-25 [numdam:ASENS_1924_3_41__1_0]

    diff, v8, current

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeJun 15th 2023

    adding now references whose authors make the “pre-metric formulation” (though not under this name) for RR-fields manifest.

    This one is nicely to the point:

    diff, v10, current

    • CommentRowNumber5.
    • CommentAuthorUrs
    • CommentTimeJun 16th 2023

    Incidentally, I have compiled this material to go along with what is now Section 1.2 in “Introduction to Hypothesis H”.

    • CommentRowNumber6.
    • CommentAuthorUrs
    • CommentTimeDec 16th 2023

    added pointer to:

    diff, v13, current

    • CommentRowNumber7.
    • CommentAuthorUrs
    • CommentTimeDec 22nd 2023
    • (edited Dec 22nd 2023)

    added pointer to:

    diff, v17, current