概複素構造

概複素構造について

S⁶

非可積分な概複素構造の組織的な構成を
まとまった理論にしてほしい

almost complex structure

Huckleberry-PeternellのS⁶の論文があるそうだ

Courant括弧の代数

The Courant bracket is a mathematical operation used in differential geometry, particularly in the context of Poisson geometry and pre-symplectic geometry.
It generalizes the Lie bracket and is defined on the direct sum of the tangent bundle and the vector bundle of p-forms.
The Courant bracket plays a crucial role in the study of generalized complex geometry and is characterized by its antisymmetry
and failure to satisfy the Jacobi identity for certain conditions. It is also used in the context of higher-order structures in differential geometry,
such as Courant algebroids and higher Courant-Dorfman algebras.

Dorfmanは村人
Dorfmeisterは村長

Dorfmeister-Nakajima

概複素構造

変形

非可積分な概複素構造でその共役と同型になる例は？

１０℃
小雨