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Keyang Li
  • Member for 1 year, 10 months
  • Last seen more than 1 year ago
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I'm interested in reading math and asking questions.

I run the website https://cjhb.site and personal archive https://blog.cjhb.site.





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13
Patterns in the minimal polynomial of sum of square roots
7
Does this inequality hold? $\sum a_i=\sum\frac1{a_i}$ then $\sum\frac{1}{a_i+n-1}⩽1$
7
Relating the eccentricities of the Gergonne-Steiner and Nine-point conics of a quadrilateral
7
$\det(AA^H+I)\geqslant\det(A\overline{A}+I)$ for $A\in\mathbb{C}^{n\times n}$
6
Prove that the locus is tangent to the circle