New in MathWorld
Friday August 7, 2026
- Half-Arc-Transitive Graph (modified)
Thursday August 6, 2026
- ADF
- ADF Test
- AIC
- Akaike Information Criterion
- Algebraic Blow-Up
- Artin Conductor Exponent
- Augmented Dickey-Fuller Test
- Autoregressive Model (modified)
- Balanced Graph Blow-Up
- Base Change
- Bayesian Information Criterion
- BIC
- Birational Morphism
- Blow-Up (modified)
- Blow-Up Center
- Box-Ljung Test
- Box-Pierce Test
- Branched Covering
- Branched Covering Map
- Burnside Matrix
- Cartier Divisor
- Closed Immersion
- Closed Neighborhood
- Closed Subscheme
- Coduplicate Vertices
- Cograph (modified)
- Conductor Exponent
- Critical Value
- Diagonal Morphism
- Diagonal Orbital
- Difference Operator (modified)
- Duplicate Vertices
- Durbin-Watson Statistic
- Durbin-Watson Test
- Edge Count (modified)
- Effective Cartier Divisor
- Euclidean Action
- Euclidean Green's Function
- Exceptional Divisor
- False Twin
- Fiber Product
- Fibre Product
- Finite-Time Blow-Up
- Flat Morphism
- Four-Point Condition
- Geometrically Regular Scheme
- Graph Blow-Up
- Graph Lexicographic Product (modified)
- Graph Module
- Graph Size
- Hannan-Quinn Information Criterion
- HQIC
- Ideal Sheaf
- Independent Graph Blow-Up
- Inverse Image
- Invertible Sheaf
- Knill-Laflamme Conditions
- Label Cover
- Label-Cover Instance
- Ljung-Box Test
- Locally Closed Subscheme
- Locally Finitely Presented Morphism
- Locally Ringed Space
- MAE
- MAPE
- Mean Absolute Error
- Mean Absolute Percentage Error
- Mean Squared Error
- Mean Square Error (modified)
- Mesh Generation
- Mesh Quality
- Modular Decomposition
- Modular Decomposition Tree
- Morphism of Finite Type
- MSE
- Néron-Tate Height Pairing
- Nonsingular Variety
- Nonstationary Time Series (modified)
- Null Distribution
- Open Immersion
- Open Subscheme
- Orbital
- Orbital Digraph
- Orbital Graph
- Paired Orbital
- Partition Function
- Plücker Relations (modified)
- Portmanteau Test
- Projection Game
- Projective Line
- Proper Morphism
- Pullback
- Pullback Map (modified)
- Quantum Code
- Quantum Stabilizer Group
- Quasi-Coherent Sheaf
- Quasi-Regular Graph (modified)
- Ramification Point
- Reflection Positivity
- Regular Scheme
- Resolution of Singularities
- Resolvent
- Ringed Space
- RMSE
- Root-Mean-Square Error
- Scheme Immersion
- Schwarz Criterion
- Schwinger Function
- Self-Paired Orbital
- Separated Morphism
- Smooth Locus
- Smooth Map
- Smooth Morphism
- Smooth Variety
- Spectral Set
- Stabilizer Code
- Stalk
- Stationary Time Series
- Strong Module
- Structure Morphism
- Structure Sheaf
- Subscheme
- Table of Marks
- Tensor Product
- Test Statistic
- Tetrahedral Mesh
- Time Series
- Time Series Analysis (modified)
- Total Quotient Ring
- Transitive Permutation Group
- Tree Metric
- Trivial Orbital
- True Twin
- Twin-Free Graph
- Twin Vertices
- Uniform Graph Blow-Up
- Unit Root
- Universally Closed Morphism
- Variation Coefficient (modified)
- VAR Model
- Vector Autoregression
- Vector Autoregressive Model
- Wick Rotation
Wednesday August 5, 2026
- 1-Skeleton (modified)
- Betweenness Centrality (modified)
- Biconjugate Gradient Method (modified)
- Chamfer Distance
- Clique Complex
- Closeness Centrality (modified)
- Conforming Mesh
- Conjugate Gradient Method on the Normal Equations (modified)
- Conjugate Gradient Squared Method (modified)
- Exchange Shuffle (modified)
- Fisher-Yates Shuffle
- Flag Complex
- Handshaking Lemma
- Hausdorff Distance
- Hausdorff Metric
- Hénon Map (modified)
- Identity Permutation
- Knuth Shuffle
- Mesh
- Mesh Size (modified)
- Minimal Residual Method (modified)
- MINRES
- Piecewise Linear Function (modified)
- Piecewise-Linear Surface
- Quasi-Cubic Graph (modified)
- Quasi-Minimal Residual Method (modified)
- Quasi-Quintic Graph (modified)
- Quasi-Regular Graph (modified)
- Random Permutation (modified)
- Ridders' Method (modified)
- Root Bracketing
- Symmetric LQ Method (modified)
- SYMMLQ
- Triangle Mesh
- Vertex Transmission (modified)
Tuesday August 4, 2026
- 2-Form (modified)
- Alternating Group Cayley Graph (modified)
- Artin Conductor
- Branch Locus
- Complex Dimension
- Complex Surface
- Complex Torus
- Cyclologic Center
- Cyclologic Triangles
- Discrete Valuation
- Double Cover
- Elliptic Curve Twist
- Generalized Keller Graph (modified)
- Hodge Number
- Holomorphic Differential Form
- Holomorphic p-Form
- Inertia Subgroup
- Isodynamic Points (modified)
- j-Invariant (modified)
- Non-Archimedean Local Field
- Quadratic Extension
- Quadratic Twist
- Ramification
- Ramification Group
- Ramification Index (modified)
- Residue Characteristic
- Swan Conductor
- Tame Ramification
- Valency (modified)
- Wild Inertia Subgroup
- Winker Conditions (modified)
- Zamfirescu Graphs (modified)
Monday August 3, 2026
- Adjoint (modified)
- Arendt-Batty-Lyubich-Vũ Theorem
- Borichev-Tomilov Theorem
- Bump-Ng Theorem (modified)
- Carathéodory Extension (modified)
- Carathéodory Extension Theorem
- Complete Measure
- Contraction Semigroup
- Dirichlet L-Series (modified)
- Dissipative Operator
- Distance Matrix (modified)
- Dottie Number (modified)
- Elliptic Curve (modified)
- Elliptic Curve Conductor
- Exponential Stability
- Fixed Point Iteration
- Frey Curve (modified)
- Fuglede's Conjecture (modified)
- Gearhart-Prüss-Huang Theorem
- Grassmannian (modified)
- Hasse-Weil L-Function
- Hermite Function (modified)
- Hexacode Graph (modified)
- Hotelling's T^2 Test
- Identity Operator (modified)
- Infinitesimal Generator
- Irrationality Measure (modified)
- j-Invariant
- K3 Surface
- Kermack-McKendrick Model (modified)
- Local Conductor Exponent
- Lovász Local Lemma
- Lumer-Phillips Theorem
- Modular Form Level
- Monte Carlo Method (modified)
- Operator Spectrum (modified)
- Phylogenetic Tree
- Plücker Embedding
- Poincaré Duality
- Point Spectrum
- Primitive L-Series
- Quasi-Monte Carlo Integration (modified)
- Quasi-Monte Carlo Method (modified)
- Quasirandom Sequence (modified)
- Resolvent Operator
- Resolvent Set
- Schrödinger Operator
- Semigroup Stability
- Set Spectrum
- SIR Model (modified)
- Strongly Continuous Semigroup
- Strong Stability
- Szpiro's Conjecture (modified)
- Taniyama-Shimura Conjecture (modified)
- Tate's Algorithm
- Wild Ramification
- Winker Conditions (modified)
- Zamfirescu Graphs (modified)
Sunday August 2, 2026
- Binary Code (modified)
- Canonical Height
- Central Point (modified)
- Closest Vector Problem
- Connes's Rigidity Conjecture
- Ehrhart Volume Conjecture
- Ellingham-Horton Graphs (modified)
- Erdős Degeneracy Conjecture
- Erdős-Simonovits Compactness Conjecture
- Erdős Unit Distance Problem (modified)
- Error-Correcting Code (modified)
- Fourier Coefficient (modified)
- Galois Cohomology
- Galois Trace
- Georges Configuration
- Georges Graph (modified)
- Graph Likelihood (modified)
- Gross-Zagier Formula
- Hecke Eigenvalue
- Heegner Hypothesis
- Heegner Point
- Hypersphere Packing (modified)
- ICC Group
- Incidence Geometry
- Kazhdan Set
- Kazhdan's Property (T)
- Local Factor
- McEliece-Rodemich-Rumsey-Welch Bound
- Modular Eigenform
- Modular Newform
- MRRW Bound
- Multivariate Hypergeometric Function (modified)
- Néron-Tate Height
- Normalized Newform
- Ordinary Point (modified)
- Path Graph (modified)
- PCP Theorem
- Permanent (modified)
- Pfaffian System (modified)
- Polycyclic Configuration (modified)
- (p,q)-Binomial Coefficient (modified)
- Principal Homogeneous Space
- Projection Games Conjecture
- Quantum Error-Correcting Code (modified)
- Quantum Parallel Repetition
- Ramsey Number (modified)
- Rankin L-Series
- Rankin-Selberg L-Series
- Self-Dual Configuration
- Shafarevich-Tate Group
- Shannon Capacity (modified)
- Sofic Group
- Soficity Conjecture
- Spherical Code (modified)
- Swinnerton-Dyer Conjecture (modified)
- Syndrome Decoding Problem
- Tate-Shafarevich Group
- Torsion Point
- Torsor
Saturday August 1, 2026
- Algebraic Branching Program (modified)
- Berman Configurations
- Berman-Gévay-Pisanski Configuration (modified)
- Berman Graphs
- Bokowski-Pilaud Configuration (modified)
- Bokowski-Schewe Configuration (modified)
- Complexity (modified)
- Computational Complexity (modified)
- Ellingham-Horton Graphs (modified)
- Euclidean Quantum Field Theory
- Fermat's Last Theorem (modified)
- Flexible Polyhedron (modified)
- Functional Integral (modified)
- Galois Representation
- Generalized Keller Graph (modified)
- Georges Graph (modified)
- Graph Likelihood (modified)
- Grünbaum 20_4 Graph (modified)
- Grünbaum-Rigby Configuration (modified)
- Jacobian Conjecture (modified)
- Levi Graph (modified)
- Linear Partial Differential Equation (modified)
- Nonlinear Partial Differential Equation (modified)
- Orchard-Planting Problem (modified)
- Osterwalder-Schrader Axioms
- Path Polynomial (modified)
- Polycyclic Configuration (modified)
- Quantum Error-Correcting Code
- Quantum Field Theory
- Rectangular Peg Theorem
- Schläfli Differential Formula (modified)
- Selmer Group
- Sonine-Schafheitlin Formula (modified)
- Spherical Tetrahedron (modified)
- Square Inscribing (modified)
- s-t Path Polynomial (modified)
- Supertrace (modified)
- Weber-Schafheitlin Integral (modified)
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