mathcal{K}_9 = \underbrace{S^1_X \times S^1_Y \times S^1_Z}_{\text{卷曲环}} \ltimes \underbrace{\bigotimes_{k=1}^6 S^1_{\mathcal{B}_k}}_{\text{跨桥网}}| III类 (终止) | \(g_{\tau\tau} > 0\) | \(\lim_{\tau \to \

X^4 \simeq S^4 \quad \text{且} \quad \exists \mathcal{M}_{11} \text{ with } \partial \mathcal{M}_{11} = X^4 \text{ and } \mathcal{M}_{11} \text{ satisfies 11D-TQCDM constraints} \implies X^4 \approx S^