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Equivariant Joyce–Song stable-pair formula for the local curve $\mathcal{O}_{\mathbb{P}^{1}}(-1,-1,0)$
Let $X=\mathcal O_{\mathbb P^1}(-1,-1,0)$ and let $T$ be the Calabi–Yau torus, with equivariant parameter $\lambda_3$ . Let $P^{\mathrm{JS}}_{n,d}$ denote the $T$ -equivariant Joyce–…
openequivariant-invariants local-curves stable-pairs
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Equivariant Joyce–Song stable-pair formula for the local curve OP1(−1,−1,0)\mathcal{O}_{\mathbb{P}^{1}}(-1,-1,0)OP1​(−1,−1,0)