送交者: 田野 于 2009-01-15, 08:10:20:

回答: Kakeya needle problem 答案是arbitrarily small 由 lightman 于 2009-01-15, 03:22:23:

• What makes you think of "如果为0"? - LaoXiao (108 bytes) 2009-01-15, 08:45:51 (293235)
  • “Besicovitch's work - 田野 (109 bytes) 2009-01-15, 11:25:02 (293251)
  • "Adapting this method further, - 田野 (143 bytes) 2009-01-15, 11:15:50 (293248)
    • Thanks for the info. It talks about, however, - LaoXiao (142 bytes) 2009-01-15, 12:16:34 (293270)
      • The limit is also a Besicovitch set - lightman (207 bytes) 2009-01-15, 15:24:24 (293324)
        • Agree. - LaoXiao (403 bytes) 2009-01-15, 16:20:11 (293339)

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