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https://en.wikipedia.org/wiki/Pierre%20Laffitte | Pierre Laffitte (21 February 1823 – 4 January 1903) was a French positivist philosopher.
Laffitte was born at Béguey, Gironde. Residing at Paris as a teacher of mathematics, he became a disciple of Auguste Comte, who appointed him his literary executor. On the schism of the Positivist body which followed Comte's death... |
https://en.wikipedia.org/wiki/Winged%20edge | In computer graphics, the winged edge data structure is a way to represent polygon meshes in computer memory. It is a type of boundary representation and describes both the geometry and topology of a model. Three types of records are used: vertex records, edge records, and face records. Given a reference to an edge rec... |
https://en.wikipedia.org/wiki/Borel%20summation | In mathematics, Borel summation is a summation method for divergent series, introduced by . It is particularly useful for summing divergent asymptotic series, and in some sense gives the best possible sum for such series. There are several variations of this method that are also called Borel summation, and a generaliz... |
https://en.wikipedia.org/wiki/Mathematical%20methods%20in%20electronics | Mathematical methods are integral to the study of electronics.
Mathematics in electronics
Electronics engineering careers usually include courses in calculus (single and multivariable), complex analysis, differential equations (both ordinary and partial), linear algebra and probability. Fourier analysis and Z-transfor... |
https://en.wikipedia.org/wiki/Staghorn | Staghorn may refer to:
The Horn (anatomy) of a stag
Calocera viscosa, a fungus commonly called Yellow Stagshorn or Stagshorn Fungus
Staghorn calculus, a type of kidney stone
Staghorn coral, a branching coral
Rhus typhina, a shrub commonly called Staghorn sumac
Lycopodium clavatum, a moss commonly called Staghorn moss
... |
https://en.wikipedia.org/wiki/List%20of%20insurance%20companies%20in%20Hong%20Kong | This is a list of insurance companies in Hong Kong.
See also
List of banks in Hong Kong
References
External links
Statistics, Office of the Commissioner of Insurance
Insurance Companies in Hong Kong
Insurance
Hong Kong |
https://en.wikipedia.org/wiki/Algebra%20of%20physical%20space | In physics, the algebra of physical space (APS) is the use of the Clifford or geometric algebra Cl3,0(R) of the three-dimensional Euclidean space as a model for (3+1)-dimensional spacetime, representing a point in spacetime via a paravector (3-dimensional vector plus a 1-dimensional scalar).
The Clifford algebra Cl3,0... |
https://en.wikipedia.org/wiki/Velidhoo%20%28Noonu%20Atoll%29 | N.Velidhoo (Dhivehi: ވެލިދޫ) is one of the inhabited islands of Noonu Atoll in the Maldives. Information from Maldives bureau of statistics
History
There exists little to no information, because of the poor understanding of the history behind the island. However it has been said that the first colonisers of this isla... |
https://en.wikipedia.org/wiki/210%20%28number%29 | 210 (two hundred [and] ten) is the natural number following 209 and preceding 211.
In mathematics
210 is a composite number, an abundant number, Harshad number, and the product of the first four prime numbers (2, 3, 5, and 7), and thus a primorial. It is also the least common multiple of these four prime numbers. It... |
https://en.wikipedia.org/wiki/Surface%20of%20general%20type | In algebraic geometry, a surface of general type is an algebraic surface with Kodaira dimension 2. Because of Chow's theorem any compact complex manifold of dimension 2 and with Kodaira dimension 2 will actually be an algebraic surface, and in some sense most surfaces are in this class.
Classification
Gieseker showed ... |
https://en.wikipedia.org/wiki/Seven-dimensional%20cross%20product | In mathematics, the seven-dimensional cross product is a bilinear operation on vectors in seven-dimensional Euclidean space. It assigns to any two vectors a, b in a vector also in . Like the cross product in three dimensions, the seven-dimensional product is anticommutative and is orthogonal both to a and to b. Unli... |
https://en.wikipedia.org/wiki/Hadamard%20factorization%20theorem | In mathematics, and particularly in the field of complex analysis, the Hadamard factorization theorem asserts that every entire function with finite order can be represented as a product involving its zeroes and an exponential of a polynomial. It is named for Jacques Hadamard.
The theorem may be viewed as an extensi... |
https://en.wikipedia.org/wiki/Bochner%27s%20theorem | In mathematics, Bochner's theorem (named for Salomon Bochner) characterizes the Fourier transform of a positive finite Borel measure on the real line. More generally in harmonic analysis, Bochner's theorem asserts that under Fourier transform a continuous positive-definite function on a locally compact abelian group co... |
https://en.wikipedia.org/wiki/Normal%20bundle | In differential geometry, a field of mathematics, a normal bundle is a particular kind of vector bundle, complementary to the tangent bundle, and coming from an embedding (or immersion).
Definition
Riemannian manifold
Let be a Riemannian manifold, and a Riemannian submanifold. Define, for a given , a vector to be ... |
https://en.wikipedia.org/wiki/Kjartan%20Poskitt | Kjartan Poskitt (born 15 May 1956 in York) is a British writer and TV presenter who is best known for writing the Murderous Maths children's series of books.
Early life and education
Poskitt was born in York, England, grew up in Selby, Yorkshire and was educated at the Selby Abbey School, at Terrington Hall, North Yo... |
https://en.wikipedia.org/wiki/Different%20ideal | In algebraic number theory, the different ideal (sometimes simply the different) is defined to measure the (possible) lack of duality in the ring of integers of an algebraic number field K, with respect to the field trace. It then encodes the ramification data for prime ideals of the ring of integers. It was introduce... |
https://en.wikipedia.org/wiki/Takeuti%27s%20conjecture | In mathematics, Takeuti's conjecture is the conjecture of Gaisi Takeuti that a sequent formalisation of second-order logic has cut-elimination (Takeuti 1953). It was settled positively:
By Tait, using a semantic technique for proving cut-elimination, based on work by Schütte (Tait 1966);
Independently by Prawitz (Pr... |
https://en.wikipedia.org/wiki/Roy%20Kerr | Roy Patrick Kerr (; born 16 May 1934) is a New Zealand mathematician who discovered the Kerr geometry, an exact solution to the Einstein field equation of general relativity. His solution models the gravitational field outside an uncharged rotating massive object, including a rotating black hole. His solution to Einst... |
https://en.wikipedia.org/wiki/List%20of%20things%20named%20after%20Leonhard%20Euler | In mathematics and physics, many topics are named in honor of Swiss mathematician Leonhard Euler (1707–1783), who made many important discoveries and innovations. Many of these items named after Euler include their own unique function, equation, formula, identity, number (single or sequence), or other mathematical enti... |
https://en.wikipedia.org/wiki/Tangle | Tangle may refer to:
Science, Technology, Engineering & Mathematics
The Tangle is the name of the ledger, a directed acyclic graph, used for the cryptocurrency IOTA
Tangle (mathematics), a topological object
Natural sciences & medicine
Sea tangle, another name for kelp
Neurofibrillary tangles, which occur in Alzhei... |
https://en.wikipedia.org/wiki/Dihedral%20group%20of%20order%206 | In mathematics, D3 (sometimes alternatively denoted by D6) is the dihedral group of degree 3 and order 6. It equals the symmetric group S3. It is also the smallest non-abelian group.
This page illustrates many group concepts using this group as example.
Symmetry groups
The dihedral group D3 is the symmetry group of a... |
https://en.wikipedia.org/wiki/John%20Henry%20Michell | John Henry Michell, FRS (26 October 1863 – 3 February 1940) was an Australian mathematician and Professor of Mathematics at the University of Melbourne.
Early life
Michell was the son of John Michell (pronounced Mitchell), a miner, and his wife Grace, née Rowse, and was born in Maldon, Victoria. His parents had migrat... |
https://en.wikipedia.org/wiki/Mathematics%20education%20in%20New%20York | Mathematics education in New York in regard to both content and teaching method can vary depending on the type of school a person attends. Private school math education varies between schools whereas New York has statewide public school requirements where standardized tests are used to determine if the teaching method ... |
https://en.wikipedia.org/wiki/Rational%20normal%20curve | In mathematics, the rational normal curve is a smooth, rational curve of degree in projective n-space . It is a simple example of a projective variety; formally, it is the Veronese variety when the domain is the projective line. For it is the plane conic and for it is the twisted cubic. The term "normal" refers to... |
https://en.wikipedia.org/wiki/Rational%20surface | In algebraic geometry, a branch of mathematics, a rational surface is a surface birationally equivalent to the projective plane, or in other words a rational variety of dimension two. Rational surfaces are the simplest of the 10 or so classes of surface in the Enriques–Kodaira classification of complex surfaces,
and we... |
https://en.wikipedia.org/wiki/Matrix%20congruence | In mathematics, two square matrices A and B over a field are called congruent if there exists an invertible matrix P over the same field such that
PTAP = B
where "T" denotes the matrix transpose. Matrix congruence is an equivalence relation.
Matrix congruence arises when considering the effect of change of basis... |
https://en.wikipedia.org/wiki/Gabriel%20Mouton | Gabriel Mouton (1618 – 28 September 1694) was a French abbot and scientist. He was a doctor of theology from Lyon, but was also interested in mathematics and astronomy. His 1670 book, the Observationes diametrorum solis et lunae apparentium, proposed a natural standard of length based on the circumference of the Earth,... |
https://en.wikipedia.org/wiki/Christos%20V.%20Massalas | Christos V. Massalas is a Greek academic working in the field of mathematics and materials science. He is widely published and has held senior positions at the University of Ioannina and the University of Western Macedonia.
Biography
Massalas was born in Ioannina, Greece. After graduating as a civil engineer, Massal... |
https://en.wikipedia.org/wiki/Runcinated%205-cell | In four-dimensional geometry, a runcinated 5-cell is a convex uniform 4-polytope, being a runcination (a 3rd order truncation, up to face-planing) of the regular 5-cell.
There are 3 unique degrees of runcinations of the 5-cell, including with permutations, truncations, and cantellations.
Runcinated 5-cell
The runcin... |
https://en.wikipedia.org/wiki/Runcinated%20tesseracts | In four-dimensional geometry, a runcinated tesseract (or runcinated 16-cell) is a convex uniform 4-polytope, being a runcination (a 3rd order truncation) of the regular tesseract.
There are 4 variations of runcinations of the tesseract including with permutations truncations and cantellations.
Runcinated tesseract
T... |
https://en.wikipedia.org/wiki/Pierre%20Dusart | Pierre Dusart is a French mathematician at the Université de Limoges who specializes in number theory.
He has published in several countries, specially in South Korea, with his colleague Damien Sauveron who is associate professor in Computer Sciences at the Université de Limoges.
External links
Résumé and thesis: (F... |
https://en.wikipedia.org/wiki/Thomas%20Callister%20Hales | Thomas Callister Hales (born June 4, 1958) is an American mathematician working in the areas of representation theory, discrete geometry, and formal verification. In representation theory he is known for his work on the Langlands program and the proof of the fundamental lemma over the group Sp(4) (many of his ideas wer... |
https://en.wikipedia.org/wiki/L%C3%A1szl%C3%B3%20Fejes%20T%C3%B3th | László Fejes Tóth (, 12 March 1915 – 17 March 2005) was a Hungarian mathematician who specialized in geometry. He proved that a lattice pattern is the most efficient way to pack centrally symmetric convex sets on the Euclidean plane (a generalization of Thue's theorem, a 2-dimensional analog of the Kepler conjecture).... |
https://en.wikipedia.org/wiki/San%20Bartolom%C3%A9%20Perulap%C3%ADa | San Bartolomé Perulapía is a municipality in the Cuscatlán department of El Salvador. It is located on the highway between San Martín and Suchitoto.
The following statistics are for a city of the same name within the municipality:
Municipality statistics
Population: 12,000 (according to mayorship) or 6909 (according... |
https://en.wikipedia.org/wiki/William%20L.%20Burke | William Lionel Burke (July 1941 – July 1996) was an astronomy, astrophysics, and physics professor at UC Santa Cruz. He is also the author of Spacetime, Geometry, Cosmology (), and of Applied differential geometry (), a text expounding the virtues of differential forms over vector calculus for theoretical physics.
Bor... |
https://en.wikipedia.org/wiki/Artin%20approximation%20theorem | In mathematics, the Artin approximation theorem is a fundamental result of in deformation theory which implies that formal power series with coefficients in a field k are well-approximated by the algebraic functions on k.
More precisely, Artin proved two such theorems: one, in 1968, on approximation of complex analyt... |
https://en.wikipedia.org/wiki/Luther%20P.%20Eisenhart | Luther Pfahler Eisenhart (13 January 1876 – 28 October 1965) was an American mathematician, best known today for his contributions to semi-Riemannian geometry.
Life
Eisenhart was born in York, Pennsylvania, and graduated from Gettysburg College in 1896. He earned his doctorate in 1900 at Johns Hopkins University, whe... |
https://en.wikipedia.org/wiki/Potential%20%28disambiguation%29 | Potential generally refers to a currently unrealized ability, in a wide variety of fields from physics to the social sciences.
Mathematics and physics
Scalar potential, a scalar field whose gradient is a given vector field
Vector potential, a vector field whose curl is a given vector field
Potential function (dis... |
https://en.wikipedia.org/wiki/Glossary%20of%20category%20theory | This is a glossary of properties and concepts in category theory in mathematics. (see also Outline of category theory.)
Notes on foundations: In many expositions (e.g., Vistoli), the set-theoretic issues are ignored; this means, for instance, that one does not distinguish between small and large categories and that on... |
https://en.wikipedia.org/wiki/Vec | Vec may mean:
Mathematics:
vec(A), the vectorization of a matrix A.
Vec denotes the category of vector spaces over the reals.
Other:
Venetian language (Vèneto), language code.
Vecuronium, a muscle relaxant.
vec, a sentient moravec robot from the Orion's Arm Universe Project (see also Moravec_(robot))
See also
... |
https://en.wikipedia.org/wiki/The%20Association%20of%20Cricket%20Statisticians%20and%20Historians | The Association of Cricket Statisticians and Historians (ACS) was founded in England in 1973 for the purpose of researching and collating information about the history and statistics of cricket. Originally called the Association of Cricket Statisticians, the words "and Historians" were added in 1992 but it has continue... |
https://en.wikipedia.org/wiki/Daniel%20Goldston | Daniel Alan Goldston (born January 4, 1954, in Oakland, California) is an American mathematician who specializes in number theory. He is currently a professor of mathematics at San Jose State University.
Early life and education
Daniel Alan Goldston was born on January 4, 1954, in Oakland, California. In 1972, he mat... |
https://en.wikipedia.org/wiki/Cem%20Y%C4%B1ld%C4%B1r%C4%B1m | Cem Yalçın Yıldırım (born 8 July 1961) is a Turkish mathematician who specializes in number theory.
Education
Yıldırım obtained his B.Sc from Middle East Technical University in Ankara, Turkey and his PhD from the University of Toronto in 1990. His advisor was John Friedlander. He is currently a faculty member at Boğ... |
https://en.wikipedia.org/wiki/Yang%E2%80%93Mills%20existence%20and%20mass%20gap | The Yang–Mills existence and mass gap problem is an unsolved problem in mathematical physics and mathematics, and one of the seven Millennium Prize Problems defined by the Clay Mathematics Institute, which has offered a prize of US$1,000,000 for its solution.
The problem is phrased as follows:
Yang–Mills Existence a... |
https://en.wikipedia.org/wiki/Algebraic%20space | In mathematics, algebraic spaces form a generalization of the schemes of algebraic geometry, introduced by Michael Artin for use in deformation theory. Intuitively,
schemes are given by gluing together affine schemes using the Zariski topology, while algebraic spaces are given by gluing together affine schemes using t... |
https://en.wikipedia.org/wiki/Inseparable | Inseparable may refer to:
Mathematics
Inseparable differential equation, an ordinary differential equation that cannot be solved by using separation of variables
Inseparable extension, a field extension by elements that do not all satisfy a separable polynomial
Inseparable polynomial, a polynomial that does not hav... |
https://en.wikipedia.org/wiki/Mex%20%28mathematics%29 | In mathematics, the mex ("minimum excluded value") of a subset of a well-ordered set is the smallest value from the whole set that does not belong to the subset. That is, it is the minimum value of the complement set.
Beyond sets, subclasses of well-ordered classes have minimum excluded values. Minimum excluded value... |
https://en.wikipedia.org/wiki/Beal%20conjecture | The Beal conjecture is the following conjecture in number theory:
If
where A, B, C, x, y, and z are positive integers with x, y, z ≥ 3, then A, B, and C have a common prime factor.
Equivalently,
The equation has no solutions in positive integers and pairwise coprime integers A, B, C if x, y, z ≥ 3.
The conject... |
https://en.wikipedia.org/wiki/Spence%27s%20function | In mathematics, Spence's function, or dilogarithm, denoted as , is a particular case of the polylogarithm. Two related special functions are referred to as Spence's function, the dilogarithm itself:
and its reflection.
For , an infinite series also applies (the integral definition constitutes its analytical extension... |
https://en.wikipedia.org/wiki/Virtual%20group | Virtual group may refer to:
Virtual band in music
Groupoid in category theory (an area of mathematics) |
https://en.wikipedia.org/wiki/List%20of%20Eliteserien%20top%20scorers | List of top goal scorers in the top flight of Norwegian football, currently known as Eliteserien. The statistics begin with the 1948–49 season. The League of Norway, played from 1937–38 to 1947–48, was divided in eleven conferences with different numbers of game weeks and is therefore not included in this statistics.
... |
https://en.wikipedia.org/wiki/Unit%20root | In probability theory and statistics, a unit root is a feature of some stochastic processes (such as random walks) that can cause problems in statistical inference involving time series models. A linear stochastic process has a unit root if 1 is a root of the process's characteristic equation. Such a process is non-sta... |
https://en.wikipedia.org/wiki/Univariate | In mathematics, a univariate object is an expression, equation, function or polynomial involving only one variable. Objects involving more than one variable are multivariate. In some cases the distinction between the univariate and multivariate cases is fundamental; for example, the fundamental theorem of algebra and E... |
https://en.wikipedia.org/wiki/Greg%20Whitten | Greg Whitten is an American computer engineer, investor and car collector.
Whitten graduated from the University of Virginia with a B.A. in mathematics in 1973, and from Harvard University with a Ph.D. in applied mathematics in 1978.
He worked for Compucolor, a company in Georgia established in 1977 that made the hom... |
https://en.wikipedia.org/wiki/Elliott%20H.%20Lieb | Elliott Hershel Lieb (born July 31, 1932) is an American mathematical physicist and professor of mathematics and physics at Princeton University who specializes in statistical mechanics, condensed matter theory, and functional analysis.
Lieb is a prolific author, with over 400 publications both in physics and mathemat... |
https://en.wikipedia.org/wiki/Angle%20bisector%20theorem | In geometry, the angle bisector theorem is concerned with the relative lengths of the two segments that a triangle's side is divided into by a line that bisects the opposite angle. It equates their relative lengths to the relative lengths of the other two sides of the triangle.
Theorem
Consider a triangle . Let the an... |
https://en.wikipedia.org/wiki/Richard%20Schoen | Richard Melvin Schoen (born October 23, 1950) is an American mathematician known for his work in differential geometry and geometric analysis. He is best known for the resolution of the Yamabe problem in 1984.
Career
Born in Celina, Ohio, and a 1968 graduate of Fort Recovery High School, he received his B.S. from the ... |
https://en.wikipedia.org/wiki/Franz%20Kamin | Franz Kamin (May 25, 1941 – April 11, 2010) was an American author, composer, poet, performance-installation artist, and pianist whose works explore structural principles derived from topology, general systems theory, prosody, and meditational processes in unusual combinations of genre and technique. He made use of con... |
https://en.wikipedia.org/wiki/Poincar%C3%A9%20recurrence%20theorem | In mathematics and physics, the Poincaré recurrence theorem states that certain dynamical systems will, after a sufficiently long but finite time, return to a state arbitrarily close to (for continuous state systems), or exactly the same as (for discrete state systems), their initial state.
The Poincaré recurrence tim... |
https://en.wikipedia.org/wiki/Parallel%20education | Parallel Education is a system in which boys and girls in Australia attend the same school, but are split into single sex classes for core subjects such as English, Maths, science, LOTE, and humanities. However, students will come together for drama, music and other social and cultural activities although a strict 30 c... |
https://en.wikipedia.org/wiki/Donald%20G.%20Saari | Donald Gene Saari (born March 1940) is an American mathematician, a Distinguished Professor of Mathematics and Economics and former director of the Institute for Mathematical Behavioral Sciences at the University of California, Irvine.
His research interests include the -body problem, the Borda count voting system, an... |
https://en.wikipedia.org/wiki/Arnold%20Ross | Arnold Ephraim Ross (August 24, 1906 – September 25, 2002) was a mathematician and educator who founded the Ross Mathematics Program, a number theory summer program for gifted high school students. He was born in Chicago, but spent his youth in Odesa, Ukraine, where he studied with Samuil Shatunovsky. Ross returned to ... |
https://en.wikipedia.org/wiki/Bisector%20%28music%29 | In diatonic set theory, a bisector divides the octave approximately in half (the equal tempered tritone is exactly half the octave) and may be used in place of a generator to derive collections for which structure implies multiplicity is not true such as the ascending melodic minor, harmonic minor, and octatonic scales... |
https://en.wikipedia.org/wiki/Poncelet%27s%20closure%20theorem | In geometry, Poncelet's closure theorem, also known as Poncelet's porism, states that whenever a polygon is inscribed in one conic section and circumscribes another one, the polygon must be part of an infinite family of polygons that are all inscribed in and circumscribe the same two conics. It is named after French en... |
https://en.wikipedia.org/wiki/Ramanujan%E2%80%93Nagell%20equation | In mathematics, in the field of number theory, the Ramanujan–Nagell equation is an equation between a square number and a number that is seven less than a power of two. It is an example of an exponential Diophantine equation, an equation to be solved in integers where one of the variables appears as an exponent.
The e... |
https://en.wikipedia.org/wiki/Pappus%20configuration | In geometry, the Pappus configuration is a configuration of nine points and nine lines in the Euclidean plane, with three points per line and three lines through each point.
History and construction
This configuration is named after Pappus of Alexandria. Pappus's hexagon theorem states that every two triples of colli... |
https://en.wikipedia.org/wiki/Monopole%20%28mathematics%29 | In mathematics, a monopole is a connection over a principal bundle G with a section of the associated adjoint bundle.
Physical interpretation
Physically, the section can be interpreted as a Higgs field, where the connection and Higgs field should satisfy the Bogomolny equations and be of finite action.
See also
N... |
https://en.wikipedia.org/wiki/Hand%20geometry | Hand geometry is a biometric that identifies users from the shape of their hands. Hand geometry readers measure a user's palm and fingers along many dimensions including length, width, deviation, and angle and compare those measurements to measurements stored in a file.
History
Viable hand geometry devices have been ... |
https://en.wikipedia.org/wiki/Differential%20graded%20algebra | In mathematics, in particular in homological algebra, a differential graded algebra is a graded associative algebra with an added chain complex structure that respects the algebra structure.
Definition
A differential graded algebra (or DG-algebra for short) A is a graded algebra equipped with a map which has eithe... |
https://en.wikipedia.org/wiki/Omaha%20North%20High%20School | Omaha North High Magnet School is a public high school located at 4410 North 36th Street in the city of Omaha, Nebraska. The school is a science, technology, engineering and mathematics (STEM) magnet school in the Omaha Public Schools district. North has won several awards, including being named a 2007 Magnet Schools o... |
https://en.wikipedia.org/wiki/Congruent%20transformation | In mathematics, a congruent transformation (or congruence transformation) is:
Another term for an isometry; see congruence (geometry).
A transformation of the form A → PTAP, where A and P are square matrices, P is invertible, and PT denotes the transpose of P; see Matrix Congruence and congruence in linear algebra.
... |
https://en.wikipedia.org/wiki/Universal%20probability%20bound | A universal probability bound is a probabilistic threshold whose existence is asserted by William A. Dembski and is used by him in his works promoting intelligent design. It is defined as
Dembski asserts that one can effectively estimate a positive value which is a universal probability bound. The existence of such a... |
https://en.wikipedia.org/wiki/Reflection%20group | In group theory and geometry, a reflection group is a discrete group which is generated by a set of reflections of a finite-dimensional Euclidean space. The symmetry group of a regular polytope or of a tiling of the Euclidean space by congruent copies of a regular polytope is necessarily a reflection group. Reflection ... |
https://en.wikipedia.org/wiki/Corrado%20Segre | Corrado Segre (20 August 1863 – 18 May 1924) was an Italian mathematician who is remembered today as a major contributor to the early development of algebraic geometry.
Early life
Corrado's parents were Abramo Segre and Estella De Benedetti.
Career
Segre developed his entire career at the University of Turin, first... |
https://en.wikipedia.org/wiki/Bond%20length | In molecular geometry, bond length or bond distance is defined as the average distance between nuclei of two bonded atoms in a molecule. It is a transferable property of a bond between atoms of fixed types, relatively independent of the rest of the molecule.
Explanation
Bond length is related to bond order: when more... |
https://en.wikipedia.org/wiki/IB%20Group%205%20subjects | The Group 5: Mathematics subjects of the IB Diploma Programme consist of two different mathematics courses, both of which can be taken at Standard Level (SL) or Higher Level (HL). To earn an IB Diploma, a candidate must take either Mathematics Applications and Interpretation (SL/HL) or Mathematics Analysis and Approach... |
https://en.wikipedia.org/wiki/George%20Yuri%20Rainich | George Yuri Rainich (Rabinovich) (March 25, 1886 in Odessa – October 10, 1968) was a leading mathematical physicist in the early twentieth century.
Career
Rainich studied mathematics from 1904 to 1908 in Odessa, in Göttingen (1905–1906), and in Munich (1906–1907), eventually obtaining his doctorate (Magister of Pure M... |
https://en.wikipedia.org/wiki/Bellos | Bellos is a surname. Notable people with the surname include:
Alex Bellos, author of books on mathematics and football
David Bellos, English translator and biographer, father of Alex Bellos
Linda Bellos (born 1950), British activist and London politician. |
https://en.wikipedia.org/wiki/Preah%20Pithu | Preah Pithu (, ) is a group of five temples at Angkor, Cambodia.
In fact they were in all probability not designed as a group. Despite their ruined state, the remains have good decorative carving and their semi-wooded setting is attractive and peaceful.
The site
The temples are located in Angkor Thom, north-east of ... |
https://en.wikipedia.org/wiki/Ricci%20decomposition | In the mathematical fields of Riemannian and pseudo-Riemannian geometry, the Ricci decomposition is a way of breaking up the Riemann curvature tensor of a Riemannian or pseudo-Riemannian manifold into pieces with special algebraic properties. This decomposition is of fundamental importance in Riemannian and pseudo-Rie... |
https://en.wikipedia.org/wiki/False%20nearest%20neighbor%20algorithm | Within abstract algebra, the false nearest neighbor algorithm is an algorithm for estimating the embedding dimension. The concept was proposed by Kennel et al. (1992). The main idea is to examine how the number of neighbors of a point along a signal trajectory change with increasing embedding dimension. In too low an... |
https://en.wikipedia.org/wiki/NCES | NCES may refer to:
National Center for Education Statistics, part of the U.S. Department of Education
Net-Centric Enterprise Services, a United States Department of Defense program
Normal curve equivalents, a type of scale score based on the normal curve
See also
NCE (disambiguation) |
https://en.wikipedia.org/wiki/Erd%C5%91s%E2%80%93Straus%20conjecture | The Erdős–Straus conjecture is an unproven statement in number theory. The conjecture is that, for every integer that is 2 or more, there exist positive integers , , and for which
In other words, the number can be written as a sum of three positive unit fractions.
The conjecture is named after Paul Erdős and Ernst... |
https://en.wikipedia.org/wiki/Theorem%20on%20friends%20and%20strangers | The theorem on friends and strangers is a mathematical theorem in an area of mathematics called Ramsey theory.
Statement
Suppose a party has six people. Consider any two of them. They might be meeting for the first time—in which case we will call them mutual strangers; or they might have met before—in which case we w... |
https://en.wikipedia.org/wiki/Primary%20group | A primary group may refer to:
In mathematics, a special kind of group:
a p-primary group, also called simply p-group; or
a primary cyclic group, which is a p-primary cyclic group.
In sociology, a primary group as opposed to secondary group. |
https://en.wikipedia.org/wiki/Damodara | Vatasseri Damodara Nambudiri was an astronomer-mathematician of the Kerala school of astronomy and mathematics who flourished during the fifteenth century CE. He was a son of Paramesvara (1360–1425) who developed the drigganita system of astronomical computations. The family home of Paramesvara was Vatasseri (sometime... |
https://en.wikipedia.org/wiki/Anania%20Shirakatsi | Anania Shirakatsi (, Anania Širakac’i, anglicized: Ananias of Shirak) was a 7th-century Armenian polymath and natural philosopher, author of extant works covering mathematics, astronomy, geography, chronology, and other fields. Little is known for certain of his life outside of his own writings, but he is considered th... |
https://en.wikipedia.org/wiki/Erie%20County%20Fair | The Erie County Fair is a fair held in Hamburg in Erie County, New York, every August. Based on 2018 attendance statistics, The Erie County Fair is the second largest fair in New York and the fourth largest county fair in North America, often drawing over one million in attendance.
History
1820 to 1867
The Erie Coun... |
https://en.wikipedia.org/wiki/Tournesol | Tournesol may refer to:
Sunflower
Chrozophora
Professor Calculus (French: Professeur Tryphon Tournesol), a fictional character of The Adventures of Tintin
Tournesol (satellite), a satellite launched in 1971
"Tournesol" (magazine), a French comic book published since October 1960 by Ligue pour la Lecture de la Bible in ... |
https://en.wikipedia.org/wiki/Formulario%20mathematico | Formulario Mathematico (Latino sine flexione: Formulary for Mathematics) is a book by Giuseppe Peano which expresses fundamental theorems of mathematics in a symbolic language developed by Peano. The author was assisted by Giovanni Vailati, Mario Pieri, Alessandro Padoa, Giovanni Vacca, Vincenzo Vivanti, Gino Fano and ... |
https://en.wikipedia.org/wiki/Simplicial%20manifold | In physics, the term simplicial manifold commonly refers to one of several loosely defined objects, commonly appearing in the study of Regge calculus. These objects combine attributes of a simplex with those of a manifold. There is no standard usage of this term in mathematics, and so the concept can refer to a triang... |
https://en.wikipedia.org/wiki/E12 | E12 or E-12 may refer to:
Science, technology and mathematics
the E12 series of preferred numbers
E12 screw, a type of Edison screw
the code name for Microsoft Exchange Server 2007
Siding Spring Survey code
Transport
Roads and trails
European route E12
E12 European long distance path
Ampang–Kuala Lumpur Elev... |
https://en.wikipedia.org/wiki/Indicatrix | Indicatrix may refer to:
Differential geometry
Dupin indicatrix, a conic section which describes the local shape of a surface
Tissot's indicatrix, which describes and visualizes the distortion of a map
Tangent indicatrix, an object in differential geometry related to a closed space curve
Optics
Indicatrix, a sp... |
https://en.wikipedia.org/wiki/Guillermo%20Owen | Guillermo Owen (born 1938) is a Colombian mathematician, and professor of applied mathematics at the Naval Postgraduate School in Monterey, California, known for his work in game theory. He is also the son of the Mexican Poet and Diplomat Gilberto Owen.
Biography
Guillermo Owen was born May 4, 1938, in Bogotá, Colomb... |
https://en.wikipedia.org/wiki/Richard%20Peto | Sir Richard Peto (born 14 May 1943) is an English statistician and epidemiologist who is Professor of Medical Statistics and Epidemiology at the University of Oxford, England.
Education
He attended Taunton's School in Southampton and subsequently studied the Natural Sciences Tripos at Trinity College, Cambridge follo... |
https://en.wikipedia.org/wiki/Giovanni%20Vacca%20%28mathematician%29 | Giovanni Enrico Eugenio Vacca (18 November 1872 – 6 January 1953) was an Italian mathematician, Sinologist and historian of science.
Vacca studied mathematics and graduated from the University of Genoa in 1897 under the guidance of G. B. Negri. He was a politically active student and was banished for that from Genoa i... |
https://en.wikipedia.org/wiki/Mario%20Pieri | Mario Pieri (22 June 1860 – 1 March 1913) was an Italian mathematician who is known for his work on foundations of geometry.
Biography
Pieri was born in Lucca, Italy, the son of Pellegrino Pieri and Ermina Luporini. Pellegrino was a lawyer. Pieri began his higher education at University of Bologna where he drew the at... |
https://en.wikipedia.org/wiki/Gino%20Fano | Gino Fano (5 January 18718 November 1952) was an Italian mathematician, best known as the founder of finite geometry. He was born to a wealthy Jewish family in Mantua, in Italy and died in Verona, also in Italy.
Fano made various contributions on projective and algebraic geometry. His work in the foundations of geomet... |
https://en.wikipedia.org/wiki/Conserved%20quantity | A conserved quantity is a property or value that remains constant over time in a system even when changes occur in the system. In mathematics, a conserved quantity of a dynamical system is formally defined as a function of the dependent variables, the value of which remains constant along each trajectory of the system.... |
https://en.wikipedia.org/wiki/Pneumonia%20severity%20index | The pneumonia severity index (PSI) or PORT Score is a clinical prediction rule that medical practitioners can use to calculate the probability of morbidity and mortality among patients with community acquired pneumonia.
The PSI/PORT score is often used to predict the need for hospitalization in people with pneumonia. ... |
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