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试题 ID 14625
【所属试卷】
2024年丘成桐大学生数学竞赛(几何与拓扑类)-无答案
Let $M$ be a closed, simply connected 6-dimensional manifol d. Suppose $H_2(M)=\mathbb{Z}_2$. Prove that the Euler characteristic $\chi(M) \neq-1$.
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答案：
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解析：
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Let $M$ be a closed, simply connected 6-dimensional manifol d. Suppose $H_2(M)=\mathbb{Z}_2$. Prove that the Euler characteristic $\chi(M) \neq-1$. <div> </div> <br /> <br /> <b>答案</b> <div> 答案与解析仅限VIP可见 </div> <br /> <br /> <b>解析</b> <div> 答案与解析仅限VIP可见 </div>