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Intersectie intre un cerc si un tor

 
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Mihai Fulger
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Joined: 06 Nov 2007
Posts: 61
Location: Ann Arbor, Michigan

PostPosted: Thu May 01, 2008 2:37 pm    Post subject: Intersectie intre un cerc si un tor Reply with quote

Sa se arate ca un cerc si un tor scufundate in \mathbb{R}^3 si care se intersecteaza transvers, se intersecteaza intr-un numar par (si finit) de puncte.

Last edited by Mihai Fulger on Sun May 04, 2008 1:47 pm; edited 1 time in total
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Dragos Fratila
Newton


Joined: 04 Oct 2007
Posts: 335
Location: Paris

PostPosted: Thu May 01, 2008 2:57 pm    Post subject: Reply with quote

Am o nelamurire: daca sunt tangente sau daca cercul e cercul mare al torului (ala extern) atunci nu mai sunt numere pare, nici finite.
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Mihai Fulger
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Joined: 06 Nov 2007
Posts: 61
Location: Ann Arbor, Michigan

PostPosted: Sun May 04, 2008 1:46 pm    Post subject: Reply with quote

Ipoteze suplimentare: detalii, detalii. Topicul a fost editat.
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