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On the Σ classes in E6.
Acta Crystallographica Section A: Foundations and Advances ( IF 1.9 ) Pub Date : 2020-08-25 , DOI: 10.1107/s2053273320009936 P Engel 1
Acta Crystallographica Section A: Foundations and Advances ( IF 1.9 ) Pub Date : 2020-08-25 , DOI: 10.1107/s2053273320009936 P Engel 1
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In E6, the cone of positive definite quadratic forms is subdivided into Σs subcones and its equivalence classes are determined for s = 0–3, and 18–21.
中文翻译:
在E6中的Σ类上。
在E 6中,将正定二次型的圆锥细分为s s个子圆锥,并针对s = 0–3和18–21确定其等价类。
更新日期:2020-09-01
中文翻译:
在E6中的Σ类上。
在E 6中,将正定二次型的圆锥细分为s s个子圆锥,并针对s = 0–3和18–21确定其等价类。