止于至善
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  • Sun, Feb 10, W05, 2019

    赶车记

  • Sat, Feb 9, W05, 2019

    Exercise 3 in Section 22 of James Munkres Topology

  • Sat, Feb 9, W05, 2019

    Example 1 in Section 22 of James Munkres Topology

  • Sun, Feb 3, W04, 2019

    Continuity of arithmetic operations

  • Sat, Jan 26, W03, 2019

    标准番茄时间不适于数学学习

  • Sun, Jan 20, W02, 2019

    GoodNotes 5体验

  • Sat, Jan 19, W02, 2019

    The sequence lemma in James Munkres Topology

  • Thu, Jan 10, W01, 2019

    Matrix norm

  • Tue, Jan 8, W01, 2019

    Theorem 20.3 and metric equivalence in James Munkres Topology

  • Sat, Jan 5, W00, 2019

    避免陷入虚无主义

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止于至善

  • Jihuan Tian
  • jihuan_tian@hotmail.com
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As regards numerical analysis, mathematical electromagnetism, Linux techniques and personal thoughts.

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