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- In mathematics, the irrational numbers (in- + rational) are all the real numbers that are not rational numbers. That is, irrational numbers cannot be expressed...39 KB (5,252 words) - 15:03, 28 June 2024
- Alice and Bob are fictional characters commonly used as placeholders in discussions about cryptographic systems and protocols, and in other science and...25 KB (2,080 words) - 07:14, 10 August 2024
- In cryptography, a web of trust is a concept used in PGP, GnuPG, and other OpenPGP-compatible systems to establish the authenticity of the binding between...23 KB (3,392 words) - 04:58, 10 April 2024
- In number theory, the study of Diophantine approximation deals with the approximation of real numbers by rational numbers. It is named after Diophantus...30 KB (4,055 words) - 16:38, 18 July 2024
- Elementary arithmetic is a branch of mathematics involving addition, subtraction, multiplication, and division. Due to its low level of abstraction, broad...22 KB (2,084 words) - 07:57, 10 August 2024
- In economics, the Lorenz curve is a graphical representation of the distribution of income or of wealth. It was developed by Max O. Lorenz in 1905 for...15 KB (2,031 words) - 19:53, 25 February 2024
- Andrey Andreyevich Markov (14 June 1856 – 20 July 1922) was a Russian mathematician best known for his work on stochastic processes. A primary subject...10 KB (1,072 words) - 17:02, 13 June 2024
- The Henri Poincaré Institute (or IHP for Institut Henri Poincaré) is a mathematics research institute part of Sorbonne University, in association with...6 KB (676 words) - 14:25, 1 January 2024
- In mathematics, the adele ring of a global field (also adelic ring, ring of adeles or ring of adèles) is a central object of class field theory, a branch...87 KB (18,442 words) - 04:47, 12 January 2024
- In mathematics, a complete Boolean algebra is a Boolean algebra in which every subset has a supremum (least upper bound). Complete Boolean algebras are...10 KB (1,347 words) - 08:53, 1 December 2023
- The HP-65 is the first magnetic card-programmable handheld calculator. Introduced by Hewlett-Packard in 1974 at an MSRP of $795 (equivalent to $4,912 in...8 KB (989 words) - 19:53, 2 May 2024
- In mathematics, the Veblen functions are a hierarchy of normal functions (continuous strictly increasing functions from ordinals to ordinals), introduced...16 KB (2,756 words) - 23:32, 5 June 2024
- In differential geometry there are a number of second-order, linear, elliptic differential operators bearing the name Laplacian. This article provides...8 KB (1,101 words) - 20:40, 19 July 2024
- A probabilistic proposition is a proposition with a measured probability of being true for an arbitrary person at an arbitrary time. They may be contrasted...780 bytes (76 words) - 07:06, 11 July 2023
- A wait-for graph in computer science is a directed graph used for deadlock detection in operating systems and relational database systems. In computer...3 KB (448 words) - 21:26, 20 August 2024
- The Neuman–Stubblebine protocol is a computer network authentication protocol designed for use on insecure networks (e.g., the Internet). It allows individuals...4 KB (649 words) - 03:08, 6 May 2023
- In mathematical complex analysis, Radó's theorem, proved by Tibor Radó (1925), states that every connected Riemann surface is second-countable (has a countable...1 KB (124 words) - 03:46, 21 February 2024
- Civic statistics is a sub-discipline of statistics focused on the analysis of evidence relevant to understanding and addressing issues of public concern...4 KB (443 words) - 01:29, 22 May 2023
- In philosophy, unknowability is the possibility of inherently unaccessible knowledge. It addresses the epistemology of that which we cannot know. Some...10 KB (1,251 words) - 00:05, 4 June 2024