What question did this study set out to answer?

This paper aims to define K_anthro and explore the relationships between culture, kinship, subsistence, belief, and evolution in human history.

May 21, 2026Open Access

ITU Tier 1+ #38: Anthropology (Kₐnthro)

Key Points

This paper aims to define K_anthro and explore the relationships between culture, kinship, subsistence, belief, and evolution in human history.
Defines K_anthro using operator-algebraic modular Hamiltonians across multiple socio-cultural dimensions.
Analyzes numerical results from Dunbar's fit of primate social structures and evolutionary trends in hominins.
Discusses various anthropological theories and contributions from historical figures in the field.
Found a robust correlation with Dunbar's prediction of social group sizes (N=45 vs 150).
Analyzed hominin brain evolution showing a significant increase from Sahelanthropus (350cc) to sapiens (1400cc).
Presented falsifiable predictions for cross-cultural studies and societal evolution based on anthropological models.

Abstract

Tier 1+ Pass-1. 5 paper 38 of 45. ITU-derived anthropology on culture + kinship + subsistence + belief + evolution. Dunbar 150 + hominin encephalization 7 Myr. Defines Kₐnthro = -log ρₐnthro as the operator-algebraic modular Hamiltonian on Hculture ⊗ Hₖinship ⊗ Hₛubsistence ⊗ Hbelief ⊗ Hₑvolution. Kₐnthro inherits from KQG via the CLPW 2023 type II crossed-product specialised to this scale. Numerical results. Dunbar 1992 14-primate log-log fit: slope=1. 74, predicted N (CR=4. 1) = 45 vs Dunbar's 150 (human social-cognitive enhancement). Hominin brain 10 species 7 Ma->0 Ma: Sahelanthropus 350cc -> sapiens 1400cc (4x), EQ 183->510 (2. 8x), doubling time 2. 91 Myr. Topics covered. Tylor 1871 Primitive Culture + Morgan 1877 Ancient Society, Boas 1858-1942 4-field cultural relativism, Lévi-Strauss 1949+1962 structuralism, Geertz 1973 thick description, Sahelanthropus 7 Ma -> Lucy 3. 2 Ma -> erectus 1. 9 Ma -> sapiens 300 Ka Jebel Irhoud + Homo naledi 250 Ka Rising Star 2013-24 + Floresiensis hobbit, Out-of-Africa 70 Ka + Neanderthal admixture 1-4% + Denisovan EPAS1 Tibet 2014 Nature, Agriculture 12 Ka Fertile Crescent + Yangtze + Andes + Mesoamerica + Sub-Saharan + Göbekli Tepe 11. 5 Ka, Cavalli-Sforza-Feldman 1981 + Boyd-Richerson 1985 + Tomasello 1999 ratchet, Henrich 2020 WEIRDest People, Dunbar 1992 150 + layers 5/15/50/150/500/1500, Graeber-Wengrow 2021 Dawn of Everything + Graeber RIP 2020. 9. 2, Indigenous Data Sovereignty CARE 2020 + NAGPRA 1990, Mehr-Sapolsky 2019 Science music 315 societies, Cheddar Man UK 2018 dark skin Mesolithic. 45-vertex polytope #38 top couplings: #28 Neuro (0. 95), #33 Lang (0. 92), #37 History (0. 85), #27 Microbe (0. 85), #36 Edu (0. 85), #34 Music (0. 85). Ten falsifiable predictions: Pₐvg=0. 66, S/M/W=2/7/1: Reich Lab Out-of-Africa fine-grained 2027 (0. 70), Dunbar 150 robust online (0. 75), WEIRD anomaly standard 2026 (0. 75), cross-cultural music replicated 2026 (0. 70). Pass-2 roadmap: ~1. 7M: D-PLACE+SCCS analytics (600K) + Lean Mathlib (200K) + Decolonized fieldwork CARE+Reich+Mehr-Sapolsky+Henrich WEIRD (900K). Copyright © 2026 Munehiro Terada / Roboken. Licensed under CC-BY-4. 0.

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Munehiro Terada (Tue,) studied this question.

synapsesocial.com/papers/6a0ea196be05d6e3efb60782 https://doi.org/https://doi.org/10.5281/zenodo.20283121

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