Quod Erat Demonstrandum

2010/08/19

國際數學家大會 2010-08-19 至 2010-08-27

Filed under: Report — johnmayhk @ 9:34 上午

http://www.icm2010.org.in/

http://en.wikipedia.org/wiki/International_Congress_of_Mathematicians

我校開放日數學科,暫定其中一個主題:未來數學,同學或許找到一些點子吧。

2 則迴響 »

  1. John Sir, i want to ask a question

    I found that ln(ab)= lna+lnb is ineffective

    when ln(-1)+ln(-1)= 2i(pi) but not zero.

    But for other negative numbers, that property works well again.

    Could this be explained?

    迴響 由 Matthew — 2010/08/20 @ 10:45 上午 | 回覆

    • Just leave one line “ln(z) is multiple-valued" because I need to go out soon: Someone may explain in detail. See you.

      迴響 由 johnmayhk — 2010/08/20 @ 11:36 上午 | 回覆


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