JOSEPH PERRIN
نویسندگان
چکیده
منابع مشابه
Jean Perrin
1. The first indication of the phenomenon.-When we consider a fluid mass in equilibrium, for example, some water in a glass, all the parts of the mass appear completely motionless to us. If we put into it an object of greater density it falls and, if it is spherical, it falls exactly vertically. The fall, it is true, is the slower the smaller the object; but, so long as it is visible, it falls ...
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as good as his little sister Maria. He does nothing but play marbles. I can't even send him to the store because he never brings home what I tell him to." The general tenor of this dissertation was repeated every time I saw her in the future. I devoted my first lesson to letting Joseph read the story of The Little Red Hen, pp. 1-9, Winston Primer. He read with great difficulty, spelling the wor...
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This major revision of Berstel and Perrin’s classic Theory of Codes has been rewritten with a more modern focus and a much broader coverage of the subject. The concept of unambiguous automata, which is intimately linked with that of codes, now plays a significant role throughout the book, reflecting developments of the last 20 years. This is complemented by a discussion of the connection betwee...
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A simple model of random Brownian walk of a spherical mesoscopic particle in viscous liquids is proposed. The model can be both solved analytically and simulated numerically. The analytic solution gives the known Eistein-Smoluchowski diffusion law 〈r〉 = Dt where the diffusion constant D is expressed by the mass and geometry of a particle, the viscosity of a liquid and the average effective time...
متن کاملThere are Infinitely Many Perrin Pseudoprimes
This paper proves the existence of infinitely many Perrin pseudoprimes, as conjectured by Adams and Shanks in 1982. The theorem proven covers a general class of pseudoprimes based on recurrence sequences. The result uses ingredients of the proof of the infinitude of Carmichael numbers, along with zero-density estimates for Hecke L-functions.
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ژورنال
عنوان ژورنال: The Canadian Entomologist
سال: 1937
ISSN: 0008-347X,1918-3240
DOI: 10.4039/ent6919-1