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The First Detailed Study of the Moon’s Secular Acceleration: Richard Dunthorne
By the late 1740s Halley’s claim that there existed a secular acceleration of the moon had been accepted by scientists including Newton, Whiston, and...
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Institutional development of science in Stettin in the first half of the nineteenth century in the time of Hermann Grassmann
Hermann Günther Grassmann was associated almost all his life with Stettin (now 7 Szczecin). At his birth in 1809 the city had been under French...
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Third Colorado Mathematical Olympiad: April 18, 1986
As you recall, Dean Tracey declined to host the First Olympiad, insisting on hosting the Second Olympiad. He probably had the idea of parity at...
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McKendrick and Kermack on epidemic modelling (1926–1927)
In 1926 McKendrick studied a stochastic epidemic model and found a method to compute the probability for an epidemic to reach a certain final size....
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Nineteenth Colorado Mathematical Olympiad: April 19, 2002
The nineteenth Colorado Mathematical Olympiad (CMO-2002) took place on April 19, 2002, the day before the third anniversary of the Columbine tragedy....
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Twentieth Colorado Mathematical Olympiad: April 18, 2003
In December 2002 I left my home in Colorado Springs to serve as a Long Term Visiting Scholar at The Center for Discrete Mathematics and Theoretical...
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Eighteenth Colorado Mathematical Olympiad: April 20, 2001
The Olympiad season commenced on April 19, 2001, with Raquel Rutledge’s article “Let the math games begin” in the Gazette: Solving one of Alexander...
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In the Finnish Capital
Gösta arrived in Helsingfors on Saturday, February 12, 1876. He had written in advance to Johan Hagströmer’s sister, Hilda, who was now married to...
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On the Carleson Measure Criterion in Linear Systems Theory
In Ho and Russell (SIAM J Control Optim 21(4):614–640, 1983), and Weiss (Syst Control Lett 10(1): 79–82, 1988), a Carleson measure criterion for...
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The Project: Origins and Process
This chapter takes up the circumstances in which the astronomical reform began, and recounts the complicated sequence of events that accomplished it....
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Gamma convergence of an energy functional related to the fractional Laplacian
We prove a Γ -convergence result for an energy functional related to some fractional powers of the Laplacian operator, (− Δ ) s for 1/2 < s < 1, with...
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Unmanned Aircraft Flights and Research at the United States Air Force Academy
The United States Air Force Academy is actively involved in unmanned aircraft research across numerous departments involving many projects, aircraft,...
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Wranglers Abroad: Churchmen and Educators in the Colonies
Six of our top wranglers served the Church, education and the law in Australia. And a seventh, James Cockle, though a lowly wrangler, was an able...