WebJul 30, 2024 · Chairman. Apr 2024 - Apr 20241 year 1 month. Supervise and coordinate activities of the organization. Develop and maintain … WebStrominger Ka¨hler-like 3 Theorem 1. Let (Mn,g) be a Hermitian manifold. Its Strominger connection ∇s is K¨ahler-like if and only if ∇s has parallel torsion and gis pluriclosed. The main technical part of the proof is to show that if the Strominger connection ∇s is Kahler-like, then its torsion is parallel.

Curvatures of real connections on Hermitian manifolds

WebSee the complete profile on LinkedIn and discover Zoe’s connections and jobs at similar companies. View Zoe Strominger, MS, NP’S profile on LinkedIn, the world’s largest professional ... WebAug 1, 2024 · We derive a Bochner formula for closed (1, 1)-forms from which this condition appears naturally and prove that if a Hermitian manifold satisfies our positivity condition, then any class α∈HBC1,1... エニタイム 熊本黒髪

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WebApr 7, 2024 · where (ρ B) 1, 1 $(\rho ^B)^{1,1}$ denotes the (1,1)-part of the Ricci form of the Bismut connection and ω 0 $\omega _0$ is a fixed Hermitian metric. This is a parabolic flow of Hermitian metrics which preserves the pluriclosed condition [26, 27]. A natural question is to see if the Strominger Kähler–like condition is preserved by the flow. WebDec 1, 2024 · One can simply take a unitary frame of left invariant vector fields on and use it as the parallel frame to define the connection . Note that is an Ambrose–Singer connection (in the sense that both its torsion and curvature are parallel under ). WebIn heterotic string theory, the Strominger's equations are the set of equations that are necessary and sufficient conditions for spacetime supersymmetry. It is derived by … エニタイム 熊本