RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

443 results for "group theory" — page 2 of 23

G_3_11 Verified Modern Frameworks

G_3_11 — Information Theory and Biological Complexity

Information theory, founded by Claude Shannon (1948, A Mathematical Theory of Communication), provides a rigorous mathematical framework for quantifying information content, communication capacity, and complexity — conce

information theory Shannon entropy Kolmogorov complexity algorithmic information biological information DNA information content
G_3_23 Credible Modern Frameworks

G_3_23 — Actor-Network Theory: Latour, Callon, and the Agency of Non-Humans

Actor-Network Theory (ANT) is a theoretical and methodological approach developed primarily by Bruno Latour (1947–2022), Michel Callon (born 1945), and John Law (born 1946) at the Centre de Sociologie de l'Innovation (CS

actor-network theory ANT Latour Callon John Law actant
G_2_05 Verified Modern Frameworks

G_2_05 — Graph Theory and Knowledge Network Analysis

Graph theory — the mathematical study of networks of nodes (vertices) connected by edges (links) — provides a rigorous framework for analyzing the structure of connections in systems ranging from ancient social hierarchi

graph theory network analysis knowledge graphs small world scale-free Euler
G_2_14 Credible Modern Frameworks

G_2_14 — Information Theory Applied to Ancient Scripts and Codes

Information theory — founded by Claude Shannon (1948) — provides a mathematical framework for quantifying the information content, redundancy, and statistical structure of communication systems. When applied to ancient s

information theory entropy Shannon script decipherment undeciphered
T_4_03 Verified Psychology & Social

T_4_03 — Group Psychology and Crowd Behavior

Group psychology examines how individuals' thoughts, feelings, and behaviors are influenced by the presence and actions of others — from small groups to mass crowds. Foundational research includes Gustave Le Bon's The Cr

crowd psychology mob behavior groupthink social facilitation deindividuation Le Bon
T_4_15 Credible Psychology & Social

T_4_15 — The Psychology of Cooperation and Trust: Game Theory, Reciprocity, and Institutions

Cooperation — acting in ways that benefit others at a cost to oneself — is both theoretically puzzling (why would natural selection favor organisms that sacrifice fitness for others?) and practically essential (every hum

cooperation trust game theory prisoner's dilemma reciprocity altruism
T_1_18 Verified Psychology & Social

T_1_18 — Attachment Theory

Attachment theory — one of the most influential frameworks in developmental and clinical psychology — proposes that early bonds between infants and caregivers shape social, emotional, and cognitive development across the

attachment-theory john-bowlby mary-ainsworth strange-situation secure-attachment avoidant
T_1_14 Verified Psychology & Social

T_1_14 — Self-Determination Theory: Autonomy, Competence, Relatedness, and Intrinsic Motivation

Self-Determination Theory (SDT) — developed by Edward Deci and Richard Ryan (University of Rochester, 1985–present) — is one of the most influential and empirically supported theories of human motivation, proposing that

self-determination theory SDT Deci Ryan intrinsic motivation extrinsic motivation
T_1_15 Credible Psychology & Social

T_1_15 — Schema Theory: Cognitive Frameworks, Scripts, and Knowledge Organization

Schema theory — the idea that the mind organizes knowledge into structured mental frameworks (schemas) that guide perception, memory, and reasoning — is one of the foundational concepts in cognitive psychology, linking w

schema schema theory Bartlett Piaget assimilation accommodation
ZD_1_17 Credible Information & Computation

ZD_1_17 — Integrated Information Theory

Integrated Information Theory (IIT) is a mathematical theory of consciousness developed by Giulio Tononi (University of Wisconsin-Madison, 2004; IIT 3.0, 2014; IIT 4.0, 2022) that attempts to explain what consciousness i

integrated-information-theory iit consciousness phi giulio-tononi qualia
R_5_19 Verified Biology & Evolution

R_5_19 — Evolutionary Game Theory: Cooperation, Altruism, and Strategy in Nature

Evolutionary game theory applies mathematical game theory to biological evolution, explaining how natural selection favors strategies for survival and reproduction in competitive and cooperative interactions. The field's

evolutionary game theory prisoner's dilemma tit for tat altruism kin selection reciprocity
ZA_2_13 Verified Physics & Quantum

ZA_2_13 — Quantum Gravity Approaches

Quantum gravity is the unfinished quest to unify general relativity (GR) — which describes gravity as spacetime curvature at macroscopic scales — with quantum mechanics (QM), which governs microscopic physics. The challe

quantum gravity loop quantum gravity string theory causal dynamical triangulations spin foam asymptotic safety
ZA_2_10 Credible Physics & Quantum

ZA_2_10 — Tachyons and Superluminal Physics

Tachyons — hypothetical particles that always travel faster than light — have fascinated physicists since Gerald Feinberg's 1967 formalization, yet no tachyon has ever been observed. In special relativity, a massive part

tachyon superluminal faster than light FTL special relativity light speed barrier
ZA_1_10 Verified Physics & Quantum

ZA_1_10 — Feynman Diagrams: The Visual Language of Quantum Field Theory

Feynman diagrams — the pictorial representations of mathematical expressions describing the behavior of subatomic particles — are among the most powerful and iconic tools in theoretical physics, invented by Richard Feynm

Feynman diagram quantum field theory perturbation theory propagator vertex scattering amplitude
ZA_4_06 Verified Physics & Quantum

ZA_4_06 — Phase Transitions and Symmetry Breaking in Physics

Phase transitions — transformations between distinct states of matter or vacuum configurations — are among the most fundamental phenomena in physics, uniting condensed matter, particle physics, and cosmology under a comm

phase transitions symmetry breaking spontaneous symmetry breaking Higgs mechanism Landau theory order parameter
ZA_3_02 Verified Physics & Quantum

ZA_3_02 — Symmetry, Noether's Theorem, and Conservation Laws

Emmy Noether's 1918 theorem established one of the deepest principles in physics: every continuous symmetry of the action of a physical system corresponds to a conserved quantity. Translational symmetry in space yields c

Emmy Noether Noether's theorem symmetry conservation laws translational symmetry rotational symmetry
V_4_18 Verified Mathematics & Information

V_4_18 — Information Theory Cross-Discipline Bridge

Information theory, founded by Claude Shannon in 1948, provides a universal mathematical framework for quantifying uncertainty, communication capacity, and data compression. Its core concepts — entropy, mutual informatio

information theory Shannon entropy Kolmogorov complexity thermodynamic entropy holographic principle genetic code
V_4_07 Credible Mathematics & Information

V_4_07 — Chaos Theory Applications: Sensitivity, Strange Attractors, and Prediction

Chaos theory — the study of deterministic systems that exhibit sensitive dependence on initial conditions — is one of the most consequential mathematical discoveries of the 20th century, fundamentally altering our unders

chaos theory butterfly effect Lorenz strange attractor sensitivity nonlinear dynamics
V_4_19 Verified Mathematics & Information

V_4_19 — Machine Learning Mathematics: Neural Networks, Optimization, and Learning Theory

Machine learning mathematics — the theoretical foundations underlying the training, generalization, and behavior of learning algorithms — spans statistical learning theory, optimization, approximation theory, information

machine learning neural network deep learning gradient descent backpropagation transformer
V_4_11 Credible Mathematics & Information

V_4_11 — Coding Theory: Error Detection, Correction, and Information Integrity

Coding theory — the mathematical study of error-detecting and error-correcting codes — ensures the reliable transmission and storage of digital information across noisy communication channels, corrupted storage media, an

coding theory error correction error detection Hamming code Reed-Solomon turbo code