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Viewing profile — zaikunzhang

zaikunzhang

HN member
Joined
Fri, Apr 21, 2023, 3:27 PM UTC
HN karma
1,408
Public activity
194 items

About zaikunzhang

A Chinese applied mathematician working on optimization and coding in Fortran/MATLAB on Linux. See

https://zhangzk.net

http://libprima.net

http://github.com/libprima/prima

Recent public activity

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    Comment #48905589

    Related to the earlier discussion: https://news.ycombinator.com/item?id=48902814 See also Zhihu (Chinese Reddit): https://www.zhihu.com/question/2060133066643879544/answer/20... Re…

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    Comment #48892650

    A summary (not by AI): Hadamard asserts that no mathematical discovery is purely logical. The unconscious mind ... played a crucial role in the development of rigorous mathematical…

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    Comment #48003598

    Canonical reports it as "operational": https://status.canonical.com/ However, according to https://downforeveryoneorjustme.com/ppa.launchpad.net it is still down as of May 4, 2026,…

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    Comment #47994087

    All components are Operational now: https://status.canonical.com/

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    Comment #47656636

    The HN discussion as of this second: https://archive.ph/Fq4u8

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    Comment #47650160

    See also D. W. Hogg, "Why do we do astrophysics?", https://arxiv.org/abs/2602.10181 , February 2026.

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    Comment #47649631

    Earlier posts: https://news.ycombinator.com/item?id=47644808 https://news.ycombinator.com/item?id=47627645 https://news.ycombinator.com/item?id=47623788 https://news.ycombinator.co…

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