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悠闲数学娱乐论坛(第3版)
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有关单形二面角余弦的几个行列式
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有关单形二面角余弦的几个行列式
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lihpb
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lihpb
Post time 2023-11-24 12:55
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李兴源，
lihpb@qq.com
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本文通过单形射影定理，给出有关n维单形二面角余弦分别与高、棱面角、角平分面和中面有关的行列式。
有关单形二面角余弦的几个行列式.pdf
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2023-11-24 12:54 Upload
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lihpb
Post time 2023-11-24 13:00
有没有办法判断到这些行列式所对应的二次型是否严格有定，半正定还是半负定
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