Mathematics

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AlphaGeometry 2

AlphaGeometry 2 (often abbreviated AG2) is a neuro-symbolic artificial intelligence system built by Google DeepMind that solves Olympiad-level Euclidean geometry problems by pairing a Gemini-based language…

AI for ScienceGoogle DeepMind

AlphaProof Nexus

AlphaProof Nexus is a formal proof search system from Google DeepMind that pairs a general-purpose language model with the Lean proof assistant in an agentic loop, submitting each candidate proof step to the…

AI ResearchAI for Science

AxiomProver

AxiomProver is an automated theorem-proving system developed by Axiom Math. The company describes it as an autonomous multi-agent system for Lean 4 that translates mathematical tasks into formal statements and…

AI AgentsAI Research

Bayes' theorem

Bayes' theorem (also called Bayes' rule or Bayes' law) is a fundamental theorem of probability theory that describes how to update the probability of a hypothesis given new evidence.

Machine LearningStatistics

Bayesian statistics

Bayesian statistics is a statistical paradigm in which probability expresses a degree of belief that is updated as evidence arrives, using Bayes' theorem.

Statistics

Broadcasting

Broadcasting is the set of rules that lets element-wise operations (addition, subtraction, multiplication, division) act on arrays or tensors of different but compatible shapes by virtually stretching the…

Deep LearningMachine Learning

Convergence

Convergence in machine learning is the point at which an iterative optimization algorithm reaches a stable solution, meaning the loss function stops decreasing meaningfully and further parameter updates yield…

Machine LearningTraining & Optimization

Cross-Entropy

Cross-entropy is a measure from information theory of how many bits (or nats) are needed to encode data drawn from a true probability distribution P when using a code optimized for a different

Deep LearningMachine Learning

Curse of Dimensionality

The curse of dimensionality is the set of problems that arise when data has a large number of features (dimensions): as dimensions increase, the volume of the space grows exponentially, the available data…

Machine LearningStatistics

Entropy

Entropy is a quantitative measure of the uncertainty, randomness, or average information content in a probability distribution: for a discrete random variable it equals the average number of yes/no questions…

Machine Learning

FrontierMath

FrontierMath is an advanced mathematical reasoning benchmark created by Epoch AI in collaboration with over 60 expert mathematicians, including Fields Medalists Terence Tao, Timothy Gowers, and Richard…

AI BenchmarksArtificial Intelligence

FunSearch

FunSearch is a method from Google DeepMind that pairs a large language model with an automated evaluator to discover new solutions to hard problems in mathematics and computer science.

AI for ScienceGoogle DeepMind

Gradient

In machine learning, the gradient is the vector of partial derivatives of a loss function with respect to every model parameter, and it points in the direction in which the loss increases most steeply.

Machine LearningTraining & Optimization

Hyperplane

A hyperplane is a flat, affine subspace of dimension n-1 embedded in an n-dimensional space, defined by the linear equation $$w \cdot x + b = 0$$, where w is a normal vector and b is a scalar offset .

Machine Learning

Information Gain

Information Gain (IG) is a measure from information theory that quantifies the reduction in entropy (uncertainty) achieved by partitioning a dataset on a particular feature: it equals the entropy of the parent…

Machine Learning

Information theory

Information theory is the mathematical study of the quantification, storage, and communication of information, founded by Claude Shannon in his 1948 paper "A Mathematical Theory of Communication." Shannon…

Statistics

Lambda

Lambda (the Greek letter λ) is a symbol used across machine learning, statistics, and computer science to denote several distinct quantities

Machine Learning

Lean (Theorem Prover)

Lean is an open source interactive theorem prover and dependently typed functional programming language created by Leonardo de Moura, first launched at Microsoft Research Redmond in 2013.

Programming Languages

Linear

In machine learning and mathematics, linear describes a function or relationship in which the output is built from the inputs only through addition and multiplication by constants.

Machine Learning

Log-Odds

Log-odds, also known as the logit, is a mathematical transformation that converts a probability value between 0 and 1 into a real number spanning from negative infinity to positive infinity.

Machine LearningStatistics

MATH-500

MATH-500 is a 500-problem benchmark for evaluating the mathematical reasoning of large language models, formed by holding out 500 problems from the test split of the MATH benchmark of Dan Hendrycks et al.

AI Benchmarks

Manifold Hypothesis

The manifold hypothesis is the conjecture that real-world high-dimensional data, such as natural images, speech, and text representations, concentrates on or near a manifold of much lower dimension embedded…

Deep LearningMachine Learning

Markov chain

A Markov chain is a stochastic process in which the probability of the next state depends only on the current state and not on the sequence of states that came before it.

Statistics

Mathlib

Mathlib (formally mathlib4, the active Lean 4 incarnation) is the community-maintained, open-source unified library of formalized mathematics for the lean theorem prover, and it is the largest single library…

Software Development

Minerva (language model)

Minerva is a large language model developed by Google Research that specializes in quantitative reasoning, meaning it answers mathematics, science, and engineering questions by writing out step-by-step…

GoogleLarge Language Models

Nash equilibrium

A Nash equilibrium is a combination of strategies, one for each player in a game, such that no player can raise their own payoff by changing strategy alone while everyone else keeps theirs unchanged.

AlgorithmsComputer Science

Nonlinear

Nonlinear describes any function, model, or relationship that does not satisfy the property of linearity.

Machine Learning

Normal distribution

The normal distribution, also called the Gaussian distribution, is a continuous probability distribution defined by two parameters, a mean $$\mu$$ and a variance $$\sigma^2$$

Statistics

NumPy

NumPy (short for Numerical Python) is the foundational open-source library for numerical and scientific computing in Python, providing an n-dimensional array object called ndarray along with a large collection…

AI Tools & ProductsMachine Learning

NuminaMath

NuminaMath is a family of openly licensed competition-mathematics resources developed by the non-profit Project Numina, spanning the largest public dataset of competition math problems and solutions, a set of…

Data & DatasetsOpen Source AI