# My writings about pure mathematics in PDF

Originally published at 狗和留美者不得入内. You can comment here or there.

I recently decided that it would be better to write in LaTeX files, generating PDF documents, using labels, BibTeX, and even trying out commutative diagrams, as opposed to merely writing some math on WordPress and Zhihu.

• elementary_number_theory
• all re-proven by myself without any lookup to references
• galois_theory
• the only I looked up online was to verify that $1+x+\ldots+x^{p-1}$ is irreducible, which can be proven using Eisenstein’s criterion, the statement of which after looking up, I proved myself.

See https://gmachine1729.wpcomstaging.com/writings-by-category/pure-math/ for more, including a list of my pure math writings on this site directly in WordPress.

Tags:
• #### 中国姓氏的南北分布

有意思的是分布是很不均匀的，也就是说好多姓是南方比例远高于北方比例或相反。从这一点，你如果知道一个人的父母的姓氏，你就可以对他是北方人还是南方人有个有点统计显著的估计。 读者可以在包含大姓分布图的…

• #### Why I think Stanford professor James Landay's piece on computing in China in 2011 exposed his idiocy

I dittoed his blog post on my LiveJournal too, see https://gmachine1729.livejournal.com/175023.html. For the original, see…

• #### China Will Overtake the US in Computing…Maybe, Someday… by Stanford professor James Landay in 2011

Original at https://dubfuture.blogspot.com/2011/12/china-will-overtake-us-in.html. [note: the following is a rough draft — I appreciate…

• Post a new comment

#### Error

Anonymous comments are disabled in this journal

default userpic