Matches in SemOpenAlex for { <https://semopenalex.org/work/W3133695461> ?p ?o ?g. }
- W3133695461 abstract "An octonionic contact (OC) manifold is always spherical. We construct the OC Yamabe operator on an OC manifold and prove its transformation formula under conformal OC transformations. An OC manifold is scalar positive, negative or vanishing if and only if its OC Yamabe invariant is positive, negative or zero, respectively. On a scalar positive OC manifold, we can construct the Green function of the OC Yamabe operator, and apply it to construct a conformally invariant tensor. It becomes an OC metric if the OC positive mass conjecture is true. We also show the connected sum of two scalar positive OC manifolds to be scalar positive if the neck is sufficiently long. On the OC manifold constructed from a convex cocompact subgroup of ${rm F}_{4(-20)}$, we construct a Nayatani type Carnot-Caratheodory metric. As a corollary, such an OC manifold is scalar positive, negative or vanishing if and only if the Poincare critical exponent of the subgroup is less than, greater than or equal to $10,$ respectively." @default.
- W3133695461 created "2021-03-15" @default.
- W3133695461 creator A5032474146 @default.
- W3133695461 creator A5046597133 @default.
- W3133695461 date "2021-03-02" @default.
- W3133695461 modified "2023-09-27" @default.
- W3133695461 title "The Yamabe operator and invariants on octonionic contact manifolds and convex cocompact subgroups of ${rm F}_{4(-20)}$" @default.
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- W3133695461 hasPublicationYear "2021" @default.
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