By Philip J. Davis
A variety of years in the past, Harriet Sheridan, then Dean of Brown collage, prepared a sequence oflectures within which person school participants defined the way it happened that they entered their quite a few fields. i used to be invited to take part during this sequence and located within the invitation a chance to remember occasions going again to my early children. The lecture was once good bought and its reception inspired me to paintings up an accelerated model. My manuscript lay dormant a majority of these years. in the interim, sufficiently many different mathematical reviews and encounters collected to make this little booklet. My 1981 lecture is the foundation of the 1st piece: "Napoleon's Theorem. " even supposing there's a connection among the 1st piece and the second one, the 4 items listed here are primarily self sufficient. The sec ond piece, "Carpenter and the Napoleon Ascription," has as its item a whole description of a definite form of scholar-storyteller (of whom i've got recognized and popular several). it's a pastiche, comprise ing a salad bar choice mixed jointly through my very own mind's eye. This piece purports, as a secondary target, to offer an answer to a undeniable unsolved ancient challenge raised within the first piece. The 3rd piece, "The guy Who started His Lectures with 'Namely'," is a quick memory of Stefan Bergman, considered one of my lecturers of graduate arithmetic. Bergman, a impressive individual ality, was once born in Poland and got here to the us in 1939.
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Extra info for Mathematical Encounters of the Second Kind
C ....... 6 ........... 1 '-W.... I ........... _ C ... £ . First published instance ofProblem 44 known to the author - 1863 'NAPOLEON'S THEOREM have put Napoleon's name on this little inky-dinky bit of mathematics so as to deflate the Emperor. " These were my historical conjectures. I also told Bernhard that I thought it almost certain that the result was known to the famous Italian physicist and mathematician Evangelista Torricelli (16081647), who appears to have written on what I have called Problem 43, and very likely known also to the equally famous French lawyer and mathematician Pierre de Fermat (1601-1665).
C .... rh •••• rJ 1 n " " . . . . . . . . . . . . . . . . . . M1 .. ,___ .............. ,....... ,....... 'I _.... u.... alII' .. _......... __ .... , .. " ........... h' ....... _ ~ ................ , . I. , •• CD, . . ....... c ................. 1' .. C ....... 6 ........... 1 '-W.... I ........... _ C ... £ . First published instance ofProblem 44 known to the author - 1863 'NAPOLEON'S THEOREM have put Napoleon's name on this little inky-dinky bit of mathematics so as to deflate the Emperor.
It could be generated at low voltage, stepped up to a very high voltage where the transportation loss was minimized, and then stepped down to the very low consumer current. A. in the transportation of alternating current took place in Great Barrington, Massachusetts, not far from where the famous Tanglewood Music Festival is now held. 30 'NAPOLEON'S THEOREM Within a few years, in 1888, it became clear to a CroatianAmerican electrical engineer by the name of Nicolas Tesla, now immortalized in that the unit of magnetic flux density is called by his name, that further advantages would accrue if the current were transported not in single phase alternating current, but simultaneously in what is called three-phase alternating current.