Note on Motivic Semiorthogonal Decompositions for Elementary Abelian 2-Group Actions
英文摘要：
Let $\mathcal{X}$ be a smooth Deligne-Mumford stack which is generically a scheme and has quasi-projective coarse moduli. If $\mathcal{X}$ has elementary Abelian 2-group stabilizers and the coarse moduli of the inertia stack is smooth, we show there exists a semiorthogonal decomposition of the derived category of $\mathcal{X}$ where the pieces are equivalent to the derived category of the components of the coarse moduli of the inertia stack.
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