Re: request
From Dirk-Lueder Kreie <dlk...@deelkar.ath.cx>
· alt.ascii-art
· 26 May 2004 13:12 · View full thread
Michele Cerulli <cer...@dm.unipi.it> wrote: > In fact a mathematichan would represent it simply as: > > > .----->>-----. > |............| > |............| > V............V > |............| > |............| > '-----<<-----' mc > > > With an equivalence relationship on the sides of the rectangle that > considers as coincident the the two sides with a "V" wich are > "glued" together as they, while the two sides ">>" and "<<" are > "glued" together reversing one of them, so that the two aros "<<" > coincide exactly with the two arrows ">>"....I guess you can find a > clearer explanation on any introductory book of topology, or > equivalent web sites". > > Michele Cerulli The Klein-Bottle-Variations posted are costructs from the following: .--------->>---------. |....................| |....................| |....................| |.....,---<<--.......| |.....| |......| |.....V ^......| V.....V ^......V |.....| |......| |.....'--->>--'......| |....................| |....................| |....................| '---------<<---------' which has the same property of being non-orientable, but possible to build. (like you can actually build a Moebius "Strip") -- Dirk-Lïż½der Kreie the email address is correct *as is* http://www.nord-com.net/dkreie/ dlk...@deelkar.ath.cx DLK <|\ | \ ~ ~~_*-_|__\__~~ ~~ @~^"=~^"=~^"=~^"=~^"=~^"=~^"=~^"=~^"=~^"=~^"@ ~~ \________/ ~~ ~ ) ho wo kakete kokorobosoge ni yuku fune ) ~~ ~~`ïż½ ~~ ~~ ( no ichiro kanashi mo uraraka nareba... ( ~~ ~~ ~~ ~~ ~~ @._,=._,=._,=._,=._,=._,=._,=._,=._,=._,=._,@
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From: "Dirk-Lueder Kreie" <dlk...@deelkar.ath.cx>
Newsgroups: alt.ascii-art
Subject: Re: request
Supersedes: <Xns...@news.deelkar.ath.cx>
Date: Wed, 26 May 2004 15:12:32 +0200
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References: <Xns94F3A7E6C9C5D3141592654@212.27.42.71> <slr...@tarrant.ecs.soton.ac.uk>
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