Tags
A tag is a keyword or label that categorizes your question with other, similar questions.
This tag contains various questions relating to the "significant figures" or "significant digits" etc. etc.
Significant figures or significant digits are the digits which give us useful information about the accuracy of a measurement.
85 questions
Marginal probability arises from a joint probability measure on a product space. The marginal probability distributions are the push-forward measures induced by the coordinate projections. A marginal probability is the probability of a single cylinder-set event. This is contrast to joint probability or conditional probability, in which additional events are considered.
85 questions
85 questions
Questions relating to the direct product of minimal normal subgroups in a group or sum of all minimal nonzero submodules of a module.
84 questions
84 questions
For various problems related to dividing a resource among several parties.
84 questions
Also called the commutator subgroup of a group is the subgroup generated by all commutator elements of that group. Should be used with the (group-theory) tag.
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This tag is for questions about stochastic approximation which are a family of methods of iterative stochastic optimization algorithms that attempt to find zeroes or extrema of functions which cannot be computed directly, but only estimated via noisy observations.
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The measurement and representation of the Earth, its shape and gravitational field, distances on the Earth, and coordinate systems for locating points on it including longitude and latitude.
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For specific questions related to properties of coercive functions. In particular, these are commonly used in the optimization community.
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For questions related to the Bell numbers, a sequence of natural numbers that occur in partitioning a finite set.
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For questions involving the Banach Fixed Point Theorem and its applications
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For questions regarding a commutative Noetherian ring whose localization at each prime ideal is a regular local ring.
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Malliavin Calculus is a stochastic version of calculus of variations.
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In mathematics, global analysis, also called analysis on manifolds, is the study of the global and topological properties of differential equations on manifolds and vector space bundles.
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Geometric invariant theory (or GIT) is a method for constructing quotients by group actions in algebraic geometry, used to construct moduli spaces.
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81 questions
80 questions
A polyomino is an edge-connected union of grid-aligned squares in the plane; in some contexts, they may be viewed as subsets of Z^2. This tag is for questions about the properties of polyominoes, including questions about how they tile different shapes, how they may be dissected, and assembly puzzles with a given set of polyominoes.
80 questions
Mutual Information is a metric used in Information Theory. It describes the amount of information shared by two random variables. Extensions for larger number of variables exist. See https://en.wikipedia.org/wiki/Mutual_information
80 questions
For questions pertaining to the metrizability of topological spaces and / or metrization theorems.
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A technique for certain diophantine equations that are equivalent to asking for $x^2 - k x y + y^2 = C$ with $x,y,k$ positive integers
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Representation of Algebras is the branch of abstract algebra that studies modules over an associative $R$-algebra $A$ when $R$ is a commutative ring. One of the basic problems in this field is to classify non isomorphic indecomposable representations of a given $R$-algebra $A$
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A relaxation of a problem is a related problem whose solution is easier in some sense to find, while providing useful information about the solution to the original problem. One common form is a linear relaxation.
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79 questions
In the mathematical disciplines of topology, geometry, and geometric group theory, an orbifold (for "orbit-manifold") is a generalization of a manifold. It is a topological space (called the underlying space) with an orbifold structure.
78 questions
78 questions
A Dynkin diagram, named after the russian mathematician Eugen B. Dynkin, is a member of a small family of directed graphs originally used as a shorthand to classify and describe the structure of semi-simple Lie algebras. They are increasingly used and generalized for other mathematical objects having similar combinatorial properties.
78 questions
A copula is a multivariate cumulative distribution function for which the marginal probability distribution of each variable is uniform on the unit interval.
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77 questions
Gromov hyperbolic spaces, also known as $\delta$-hyperbolic spaces, are geodesic spaces in which every triangle is thin. Hyperbolic groups are fundamental examples of Gromov hyperbolic spaces in geometric group theory.
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A service that has several calculators and teaching material for Mathematics, with its most prominent feature being a graphing calculator that is available as an app and on a website.
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A triangle centre is a point in the plane that is in some sense a center of a triangle akin to the centers of squares and circles, that is, a point that is in the middle of the figure by some measure.
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A topological quantum field theory (or topological field theory or TQFT) is a quantum field theory which computes topological invariants.
76 questions