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arXiv 1803.06970math.DGmath-phmath.FAmath.MPmath.RTmath.SG
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辛Dirac算子的高阶对称性

Higher symmetries of symplectic Dirac operator

Petr Somberg, Josef Šilhan

摘要:

在实维射影微分几何中,我们构造了作用于辛旋量的辛Dirac算子${D}\kern-0.5em\raise0.22ex\hbox{/}_s$的高对称代数$2$.高阶对称微分算子对应于一类作用于对称张量的任意高阶射影不变超定算子的解空间。高等对称代数结构对应于一个完全素的本原理想,它有$\mathfrak{sl}(3,{\mathbb{R}})$的最小幂零轨道作为它的关联簇。

英文摘要:

We construct in projective differential geometry of the real dimension $2$ higher symmetry algebra of the symplectic Dirac operator ${D}\kern-0.5em\raise0.22ex\hbox{/}_s$ acting on symplectic spinors. The higher symmetry differential operators correspond to the solution space of a class of projectively invariant overdetermined operators of arbitrarily high order acting on symmetric tensors. The higher symmetry algebra structure corresponds to a completely prime primitive ideal having as its associated variety the minimal nilpotent orbit of $\mathfrak{sl}(3,{\mathbb{R}})$.

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