• an isolated point of a subset S (in a topological space X) if x is an element of S and there exists a neighborhood of x that does not contain any other...
    6 KB (840 words) - 06:48, 16 November 2023
  • Thumbnail for Brazil
    influence of Viennese classicism. The major contribution of the African element was the rhythmic diversity and some dances and instruments. Popular music...
    288 KB (26,018 words) - 22:05, 8 July 2025
  • Thumbnail for Ottaviano-Fabrizio Mossotti
    University of Buenos Aires. His name is associated with a type of multiple-element lens for correcting spherical aberration and coma, but not chromatic aberration...
    4 KB (325 words) - 20:33, 4 October 2024
  • multiplication) and an involution known as conjugation. The product of an element and its conjugate (or sometimes the square root of this product) is called...
    21 KB (2,554 words) - 06:23, 7 May 2025
  • Thumbnail for Portugal
    particularly for stadium design. The azulejo is a mainstream, typical element among Portugal's traditional building materials and construction techniques...
    260 KB (22,517 words) - 01:06, 10 July 2025
  • Thumbnail for Annalisa Buffa
    Professor), and from 2013 to 2016 she was the Director at the Istituto di matematica applicata e tecnologie informatiche "E. Magenes" (IMATI) of the CNR in...
    11 KB (838 words) - 19:10, 13 January 2024
  • computer scientist known for her research in mesh refinement for the finite element method. She is a professor of computer science at the University of Chile...
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  • Thumbnail for Cyclic order
    in rock-paper-scissors. In a finite cycle, each element has a "next element" and a "previous element". There are also cyclic orders with infinitely many...
    53 KB (6,391 words) - 01:50, 4 July 2025
  • Thumbnail for Yupana
    fourth one; it is thus possible to represent 39 numbers, united to neutral element ( zero or "no seeds" in the table); this forms the basis of 40 symbols...
    30 KB (3,631 words) - 11:22, 6 July 2025
  • Thumbnail for Golden ratio
    {5}}~\!{\bigr )}} ⁠, sometimes called the golden field. In this field, any element can be written in the form ⁠ r + s φ {\displaystyle r+s\varphi } ⁠, with...
    115 KB (13,380 words) - 00:57, 22 June 2025
  • Thumbnail for Veneto
    historical centre of Verona. While in Veneto Byzantine art was important, an element of innovation was brought to Padua by Giotto, bearer of a new pictorial...
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  • Thumbnail for Crete
    Crete, the aridness and rockiness of the mountains is emphasised as an element of pride and is often compared to the alleged soft-soiled mountains of...
    106 KB (10,956 words) - 23:12, 10 July 2025
  • băiatul 1/ care este la mine în clasă, 2/ și care este foarte bun la matematică. 3/ I have told you about the boy 1/ who is in my class, 2/ and who is...
    54 KB (5,221 words) - 12:39, 11 June 2025
  • conjecture – for any family of sets closed under sums there exists an element (of the underlying space) belonging to half or more of the sets Give a...
    195 KB (20,072 words) - 22:03, 9 July 2025
  • Thumbnail for Symmetric group
    composition f ∘ g of permutations f and g, pronounced "f of g", maps any element x of X to f(g(x)). Concretely, let (see permutation for an explanation...
    46 KB (6,212 words) - 00:39, 20 June 2025
  • {\displaystyle k} ⁠ elements that can be chosen from an ⁠ n {\displaystyle n} ⁠-element set. Therefore ⁠ ( n k ) {\displaystyle {\tbinom {n}{k}}} ⁠ is usually...
    42 KB (6,735 words) - 09:42, 24 June 2025
  • Thumbnail for Möbius strip
    strip. Because of their easily recognized form, Möbius strips are a common element of graphic design. The familiar three-arrow logo for recycling, designed...
    88 KB (9,639 words) - 16:17, 5 July 2025
  • groups; these are groups such that the Centralizer of every non-trivial element is Abelian. In a pioneering paper he showed that all CA groups of odd order...
    23 KB (3,099 words) - 13:18, 10 May 2025
  • that for every coloring of the n-element subsets of κ with m colors there is a subset of size λ all of whose n-element subsets are the same color. f′x...
    91 KB (11,628 words) - 12:22, 21 March 2025
  • Thumbnail for Niter
    time niter and its derivative nitric acid were first used to name the element nitrogen, in 1790. Because of its ready solubility in water, niter is most...
    13 KB (1,396 words) - 07:07, 12 April 2025
  • Thumbnail for Prime number
    both the modulus 9 and the remainder 3 are multiples of 3, so is every element in the sequence. Therefore, this progression contains only one prime number...
    117 KB (14,179 words) - 23:31, 23 June 2025
  • Thumbnail for Christopher Clavius
    For perhaps it should be said that the heavens are not made of a fifth element but changeable bodies - albeit less corruptible that the matter here on...
    16 KB (1,915 words) - 14:22, 27 April 2025
  • is measurable. If A {\textstyle A} is Lebesgue-measurable and x is an element of R n {\displaystyle \mathbb {R} ^{n}} , then the translation of A {\textstyle...
    19 KB (2,946 words) - 20:35, 9 July 2025
  • Thumbnail for Jensen's inequality
    integrable means that there exists an element E ⁡ [ X ] {\displaystyle \operatorname {E} [X]} in T, such that for any element z in the dual space of T: E ⁡ |...
    31 KB (5,129 words) - 19:32, 12 June 2025
  • Thumbnail for Franco Brezzi
    with, among other subjects, the theory and applications of the finite element method in structural mechanics, fluid mechanics, and electrodynamics. Brezzi's...
    6 KB (712 words) - 09:47, 9 February 2024
  • Thumbnail for Bertrand Russell
    des relations avec des applications à la théorie des séries, Rivista di matematica 7: 115–148. 1901, On the Notion of Order, Mind (n.s.) 10: 35–51. 1902...
    150 KB (15,759 words) - 18:48, 25 June 2025
  • Thumbnail for History of mathematics
    concerns quite different from those of modern mathematicians. One driving element was the belief that mathematics provided the key to understanding the created...
    148 KB (17,050 words) - 18:16, 8 July 2025
  • Thumbnail for Magic square
    if its numbers are subtracted from a constant. In particular, if every element in a normal magic square is subtracted from n2 + 1, we obtain the complement...
    276 KB (21,821 words) - 00:47, 7 July 2025
  • dual concept on the dual poset Pd. For instance, a minimal element of P will be a maximal element of Pd: minimality and maximality are dual concepts in order...
    53 KB (6,694 words) - 14:49, 9 June 2025
  • {\displaystyle x^{1},\dots ,x^{m-1}} only, hence can be interpreted as an element of Ω k ( X m − 1 ) {\displaystyle \Omega ^{k}(X_{m-1})} , and its codegree...
    29 KB (5,411 words) - 11:17, 4 May 2025