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- Newsgroups: sci.math
- Path: sparky!uunet!usc!howland.reston.ans.net!paladin.american.edu!gatech!destroyer!wsu-cs!nova!seeta
- From: seeta@eng.wayne.edu (Seetamraju UdayaBhaskar Sarma)
- Subject: Re: proof wanted
- Message-ID: <1993Jan12.005911.3228@cs.wayne.edu>
- Sender: usenet@cs.wayne.edu (Usenet News)
- Reply-To: seeta@eng.wayne.edu
- Organization: College of Engineering, Wayne State University, Detroit Michigan, USA
- References: <1993Jan8.195323.1595@cc.umontreal.ca>
- Date: Tue, 12 Jan 1993 00:59:11 GMT
- Lines: 28
-
- In article 1595@cc.umontreal.ca, cazelaig@ERE.UMontreal.CA (Cazelais Gilles) writes:
- -+>i.e. such that: |x-c'| >= |x-c| for all c' in C.
- -+>
- -+>If it is true I would appreciate if someone could give me a proof
- -+>of the result.
-
-
- I have read all the responses, especially those that have branched off
- in dealing with metric spaces.
-
- I have seen proofs for what was asked, made for hilbert/banach spaces. Given the
- rich proerpties of these hilbert & banach spaces, how realistic is it
- to expect similar behaviour for arbitrary metric spaces, which do not
- (having seen many examples on this topic) even posses basic linear
- space properties ?
-
- Many of the metric spaces constructed, were bare-bones metric spaces, and that's it.
- At most, they possessed A SINGLE converging sequence. I personally thought
- the argument had little worthwhile-ness...
-
- How about basic linear space with discrete structure, but infinite size...
- I think a infinte continuous linear space case is well studied...
-
- Seetamraju Udaya Bhaskar Sarma
- (email : seetam @ ece7 . eng . wayne . edu)
-
- P.S. I know as much of this topic, as luenberger's book on functional and
- vector space analysis tells me...
-