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- Newsgroups: sci.math
- Path: sparky!uunet!gatech!concert!sas!mozart.unx.sas.com!sasrdt
- From: sasrdt@shewhart.unx.sas.com (Randall D. Tobias)
- Subject: Re: measures of the `size' of infinite sets
- Originator: sasrdt@shewhart.unx.sas.com
- Sender: news@unx.sas.com (Noter of Newsworthy Events)
- Message-ID: <BuBtsw.52B@unx.sas.com>
- Date: Wed, 9 Sep 1992 19:50:56 GMT
- References: <1992Sep9.042345.7472@galois.mit.edu> <1992Sep9.170045.1617@cs.rose-hulman.edu>
- Nntp-Posting-Host: shewhart.unx.sas.com
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- Lines: 26
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- In article <1992Sep9.170045.1617@cs.rose-hulman.edu>, brock@NeXTwork.Rose-Hulman.Edu (Bradley W. Brock) writes:
- |>
- |> In article <1992Sep9.042345.7472@galois.mit.edu> jbaez@riesz.mit.edu (John C.
- |> Baez) writes:
- |>
- |> [a discussion of a natural way to calculate the density of a subset of
- |> integers]
- |>
- |> > The set of integers that are multiples of 29 has density 1/29.
- |> > The set of integers that aren't has density 28/29.
- |> >
- |> > Exercise to see if you get it: figure out, or guess, the density of the
- |> > prime numbers.
-
- What's the density of the set of prime powers? Ie. how many Galois
- fields are there?
-
- --
-
- Randy Tobias SAS Institute Inc. sasrdt@unx.sas.com
- (919) 677-8000 x7933 SAS Campus Dr. 72450.2545@compuserve.com
- (919) 677-8123 (Fax) Cary, NC 27512-8000 norat@aol.com
-
- ... just my $(-exp(2*sqrt(-1)*arcos(0))/(((2**(2 + 1)) - 1)**2 + 1)).
-
-