Nodes at W1, stated

The main section of the kind, a source with a locator, and a body that passes the rules B01 to B03.

Ideas 1051–1200 of 1702.

Name	Kind	Subject
One-form	Definition	Global analysis, analysis on manifolds
Poisson point process	Concept	Probability theory and stochastic processes
e	Object	Number theory
Noetherian ring	Definition	Commutative algebra
Equicontinuity	Definition	General topology
Natural numbers	Object	Number theory
Divergence	Concept	Real functions
Hyperbolic tangent	Definition	Special functions
Hausdorff space	Definition	General topology
Deficient number	Concept	Number theory
Perfect number	Concept	Number theory
Cumulative distribution function	Definition	Probability theory and stochastic processes
Characteristic function	Definition	Probability theory and stochastic processes
Ideal	Definition	Commutative algebra
Power series	Concept	Functions of a complex variable
Separable extension	Definition	Field theory and polynomials
Well-ordering theorem	Theorem	Mathematical logic and foundations
Matrix	Definition	Linear and multilinear algebra; matrix theory
Radius of convergence	Concept	Functions of a complex variable
Symmetric matrix	Definition	Linear and multilinear algebra; matrix theory
Uniqueness quantifier	Definition	Mathematical logic and foundations
Composite number	Definition	Number theory
Upper triangular matrix	Concept	Linear and multilinear algebra; matrix theory
Boolean ring	Definition	Order, lattices, ordered algebraic structures
Falling factorial	Definition	Combinatorics
Cross product	Concept	Linear and multilinear algebra; matrix theory
Wronskian	Definition	Ordinary differential equations
Vector field	Definition	Real functions
Simple extension	Concept	Field theory and polynomials
Monoid	Concept	Group theory and generalizations
Kronecker product	Concept	Linear and multilinear algebra; matrix theory
Fermat prime	Definition	Number theory
Nilpotent element	Definition	Associative rings and algebras
Symmetric relation	Definition	Mathematical logic and foundations
Basis of a topology	Concept	General topology
Cauchy distribution	Definition	Probability theory and stochastic processes
Ore's theorem	Theorem	Combinatorics
Holomorphic function	Concept	Functions of a complex variable
Apollonius's theorem	Theorem	Geometry
Harmonic number	Concept	Number theory
Inner product	Concept	Linear and multilinear algebra; matrix theory
Partial sum	Definition	Sequences, series, summability
Composition series	Definition	Group theory and generalizations
Divergent series	Definition	Sequences, series, summability
Planar graph	Concept	Combinatorics
Rational numbers	Object	Number theory
Graph colouring	Concept	Combinatorics
Principal part	Definition	Functions of a complex variable
Linear recurrence with constant coefficients	Concept	Difference and functional equations
Conditional convergence	Concept	Sequences, series, summability
Self-adjoint operator	Concept	Operator theory
Restriction of a function	Concept	Mathematical logic and foundations
Curl	Concept	Real functions
Probability space	Concept	Probability theory and stochastic processes
Fundamental theorem of calculus	Theorem	Real functions
Perfect matching	Concept	Combinatorics
Sample variance	Concept	Statistics
von Mangoldt function	Concept	Number theory
Double integral	Definition	Real functions
Series	Concept	Sequences, series, summability
Bayes' theorem	Theorem	Statistics
Implication	Concept	Mathematical logic and foundations
Associativity	Definition	General algebraic systems
Zero divisor	Concept	Associative rings and algebras
Moment-generating function	Definition	Probability theory and stochastic processes
Eulerian trail	Definition	Combinatorics
Euclidean distance	Concept	Geometry
Algebraic element	Definition	Field theory and polynomials
Quotient topology	Concept	General topology
Student's t-distribution	Definition	Probability theory and stochastic processes
Transcendental element	Concept	Field theory and polynomials
Winding number	Concept	Algebraic topology
Quaternion group	Object	Group theory and generalizations
Linear map	Concept	Linear and multilinear algebra; matrix theory
Finite extension	Definition	Field theory and polynomials
Gradient	Definition	Real functions
Local minimum	Definition	Real functions
Meromorphic function	Definition	Functions of a complex variable
Normal space	Concept	General topology
Ordinary differential equation	Concept	Ordinary differential equations
Direct proof	Concept	General and overarching topics
Exterior angle theorem	Theorem	Geometry
Multiplicative function	Concept	Number theory
Open cover	Definition	General topology
T1 space	Concept	General topology
Weierstrass M-test	Theorem	Sequences, series, summability
Sum of independent normal random variables	Theorem	Probability theory and stochastic processes
Theorem on friends and strangers	Theorem	Combinatorics
Module over a ring	Concept	Associative rings and algebras
Adjacency matrix	Definition	Combinatorics
Leading coefficient	Definition	Commutative algebra
Cesàro mean	Definition	Sequences, series, summability
Independence of two events	Definition	Probability theory and stochastic processes
Hermitian matrix	Concept	Linear and multilinear algebra; matrix theory
Removable singularity	Definition	Functions of a complex variable
Equivalent matrices	Definition	Linear and multilinear algebra; matrix theory
Hyperbola	Definition	Geometry
Continuous function	Definition	Real functions
Solvable group	Definition	Group theory and generalizations
Divergent sequence	Concept	Sequences, series, summability
Ordered field	Concept	Field theory and polynomials
Standard deviation	Concept	Probability theory and stochastic processes
Degree of a polynomial	Concept	Commutative algebra
Iterated integral	Definition	Real functions
Picard–Lindelöf theorem	Theorem	Ordinary differential equations
Simple extension	Definition	Field theory and polynomials
Bilinear form	Definition	Linear and multilinear algebra; matrix theory
Characteristic of a ring	Definition	Commutative algebra
Bounded set	Definition	General topology
Ordinary differential equation	Definition	Ordinary differential equations
Law of sines	Theorem	Geometry
Linear differential equation of order n	Definition	Ordinary differential equations
Monty Hall problem	Problem	Probability theory and stochastic processes
Skew-symmetric matrix	Concept	Linear and multilinear algebra; matrix theory
Multinomial coefficient	Concept	Combinatorics
Fermat's theorem on stationary points	Theorem	Real functions
Transitive closure	Definition	Mathematical logic and foundations
Algebraically closed field	Concept	Field theory and polynomials
Divisibility	Concept	Number theory
Moment	Definition	Probability theory and stochastic processes
Generating function	Concept	Combinatorics
Residue	Concept	Functions of a complex variable
Multi-index notation	Concept	Real functions
Alternating series test	Theorem	Sequences, series, summability
Conservative vector field	Concept	Real functions
Limit of a function	Concept	Real functions
Klein four-group	Object	Group theory and generalizations
Argument principle	Theorem	Functions of a complex variable
Farey sequence	Definition	Number theory
Jordan's lemma	Lemma	Functions of a complex variable
Random variable	Concept	Probability theory and stochastic processes
Beta distribution	Definition	Probability theory and stochastic processes
Principal axis theorem	Theorem	Linear and multilinear algebra; matrix theory
Identity function	Concept	Mathematical logic and foundations
Moore–Penrose inverse	Definition	Linear and multilinear algebra; matrix theory
Algebraic extension	Concept	Field theory and polynomials
Maximal ideal	Concept	Commutative algebra
Injective function	Definition	Mathematical logic and foundations
Infinite set	Concept	Mathematical logic and foundations
Cauchy sequence	Concept	Sequences, series, summability
Commutator of two elements	Concept	Group theory and generalizations
Liouville number	Concept	Number theory
Affine subspace	Concept	Geometry
Closed ball	Concept	General topology
Interval	Concept	Real functions
Exact equation	Concept	Ordinary differential equations
Singular solution	Concept	Ordinary differential equations
Stolz–Cesàro theorem	Theorem	Sequences, series, summability
Linear equation	Concept	Linear and multilinear algebra; matrix theory
Domain	Concept	Mathematical logic and foundations