Mathematics throughout the ages
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Jaroslav Haslinger (1977)
Aplikace matematiky
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Finite element analysis of unilateral problems with obstacles on the boundary is given. Provided the exact solution is smooth enough, we obtain the rate of convergence for the case of one and two (lower and upper) obstacles on the boundary. At the end of this paper the proof of convergence without any regularity assumptions on the exact solution is given.
Michal Křížek (2023)
Učitel matematiky
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A new class of prime numbers - Baťa primes - is introduced. A positive integer is called a Baťa prime of class k if it ends with at least k 9s. We prove that for any positive integer k there exist infinitely many Baťa primes of class k. Some generalizations of this statement are given as well.
Stefan Czarnecki (1968)
Acta Universitatis Carolinae. Mathematica et Physica
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(1990)
Kybernetika
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Radka Havlíčková, Karolína Mottlová (2023)
Učitel matematiky
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The paper presents a non-traditional type of word problems, "Restless numbers", whose aim is to enhance pupils' need to argue and to use real experiences in solving them. They encourage pupils to experiment so that they discover new solving strategies.
(1949)
Časopis pro pěstování matematiky a fysiky
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