Archive for July, 2008

Rosalind

Friday, July 25th, 2008

This morning I’m about to get on the T and go to Cambridge City Hall for a significant personal event. I’d like to celebrate the occasion with a few lines of verse by the great mathematician (and lesser poet) James Joseph Sylvester. (A tip of the top hat to Jerry Alexanderson for bringing Sylvester’s […]

F. Fortesque Fingerhut

Wednesday, July 16th, 2008

Riffling through some file folders last night, I happened upon an item that I evidently clipped out of Datamation years ago. It’s titled “Magic Moments in Software,” by Deborah Sojka and Philip H. Dorn. I can’t find a date on any of the pages, but internal evidence suggests it’s from the early 1980s.
The piece […]

arXival mysteries

Wednesday, July 2nd, 2008

Catching up on new submissions to the arXiv, I came across a paper by Robert Baillie, “Summing the Curious Series of Kempner and Irwin,” which is item 0806.4410 in the mathematics listings. Here’s the abstract, exactly as it appears at http://lanl.arxiv.org/abs/0806.4410v1:
In 1914, Kempner proved that the series 1/1 + 1/2 + … + 1/8 + […]

Unscrabbled

Tuesday, July 1st, 2008

I’ve been Scrabbling by email lately. In today’s game my partner started out by playing

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