- JCTA
- Journal of Combinatorial Theory, Series A (informationswissenschaftl. Veoeffentlichungen)
Acronyms. 2013.
JCTA
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JCTA — Journal of Combinatorial Theory, Series A (informationswissenschaftl. Veröffentlichungen) … Acronyms von A bis Z
Chiral polytope — A snub cube comes in two mirror image chiral copies, shown here as alternations of a great rhombicuboctahedron In mathematics, a polytope P is chiral if it has two orbits of flags under its group of symmetries, with adjacent flags in different… … Wikipedia
Journal of Combinatorial Theory — Le Journal of Combinatorial Theory, Series A[1] et Series B[2] est une revue mathématique se spécialisant en analyse combinatoire et autres questions associées ; elle est publiée par Elsevier Science. Series A est principalement consacrée… … Wikipédia en Français
Necklace problem — The necklace problem is a problem in recreational mathematics, solved in the early 21st century. Contents 1 Formulation 2 Solution 3 References 4 See also … Wikipedia
Cyclic order — In mathematics, a cyclic order is a way to arrange a set of objects in a circle.[nb] Unlike most structures in order theory, a cyclic order cannot be modeled as a binary relation a < b . One does not say that east is more clockwise than west.… … Wikipedia
No-three-in-line problem — A set of 20 points in a 10 × 10 grid, with no three points in a line. In mathematics, in the area of discrete geometry, the no three in line problem, introduced by Henry Dudeney in 1917, asks for the maximum number of points that can be placed in … Wikipedia
Conference matrix — In mathematics, a conference matrix (also called a C matrix) is a square matrix C with 0 on the diagonal and +1 and −1 off the diagonal, such that CTC is a multiple of the identity matrix I. Thus, if the matrix has order n, CTC = (n−1)I … Wikipedia
Problems involving arithmetic progressions — are of interest in number theory,cite journal|author=Samuel S. Wagstaff, Jr.|authorlink= url= title=Some Questions About Arithmetic Progressions journal=The American Mathematical Monthly volume=86|issue=7|pages=579–582|year=1979… … Wikipedia
Disjunct matrix — Disjunct and separable matrices play a pivotal role in the mathematical area of non adaptive group testing. This area investigates efficient designs and procedures to identify needles in haystacks by conducting the tests on groups of items… … Wikipedia
