Contact type

In mathematics, more precisely in symplectic geometry, a hypersurface $\Sigma$ of a symplectic manifold $(M,\omega)$ is said to be of contact type if there is 1-form $\alpha$ such that $j^{*}(\omega)=d\alpha$ and $(\Sigma,\alpha)$ is a contact manifold, where $j: \Sigma \to M$ is the natural inclusion. The terminology was first coined by Alan Weinstein.

单词	Contact type
释义	Contact type 英语例句库 PLC main control tie-in hominize interface, large contact type liquid crystal display, easy operation, easy decode. 主控制采用PLC搭配人机界面，大型触控式液晶荧屏，使操作简单，判读容易。英语百科 Contact type In mathematics, more precisely in symplectic geometry, a hypersurface $\Sigma$ of a symplectic manifold $(M,\omega)$ is said to be of contact type if there is 1-form $\alpha$ such that $j^{*}(\omega)=d\alpha$ and $(\Sigma,\alpha)$ is a contact manifold, where $j: \Sigma \to M$ is the natural inclusion. The terminology was first coined by Alan Weinstein.
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