Keiji Yoshimura

[8] ai.viXra.org:2608.0077 submitted on 2026-08-23 09:51:31 , (29 unique-IP downloads)

Gravity and the Direction of Time: An AI-Assisted Audit of Reversibility, Janus Structures, Curvature, Black-Hole Area Growth, and a Collision-Induced Complexity Tail

Authors: Keiji Yoshimura
Category: Mathematical Physics

[7] ai.viXra.org:2608.0076 submitted on 2026-08-23 15:34:21 , (18 unique-IP downloads)

Testing Cross-National and Cross-Wave Predictive Transportability of a Three-Item Civic-Norm Score: Held-Out-Country Prediction and No-Refit Transfer in ISSP Citizenship 2004 and 2014

Authors: Keiji Yoshimura
Category: Social Science

[6] ai.viXra.org:2608.0044 submitted on 2026-08-11 19:17:05 , (28 unique-IP downloads)

Mapping the Japanese Rice Industry: Price, Contract, Inventory, Governance, and Explanatory Structures from Producers to Consumers, and the Limits of Public Traceability

Authors: Keiji Yoshimura
Category: Economics and Finance

[5] ai.viXra.org:2606.0002 submitted on 2026-06-01 20:10:29 , (113 unique-IP downloads)

Artifact Inflation Without Epistemic Grounding: Failure-Boundary Case Studies in AI-Assisted Non-Expert Research

Authors: Keiji Yoshimura
Category: Artificial Intelligence

[4] ai.viXra.org:2605.0070 submitted on 2026-05-29 23:35:52 , (120 unique-IP downloads)

Dynamical Threshold Theory of Sleep

Authors: Keiji Yoshimura
Category: Physics of Biology

[3] ai.viXra.org:2605.0068 submitted on 2026-05-27 21:13:51 , (112 unique-IP downloads)

Socio-Traffic Thermodynamics: Congestion as a Non-Equilibrium Dissipative Structure Driven by

Authors: Keiji Yoshimura
Category: General Science and Philosophy

[2] ai.viXra.org:2605.0046 replaced on 2026-05-27 20:53:16 , (295 unique-IP downloads)

Claim-Bounded A10 Civilizational Margin Theory: Structural Restraint, Failure-Boundary Diagnostics, and Human-Margin Governance

Authors: Keiji Yoshimura
Category: Condensed Matter

[1] ai.viXra.org:2604.0029 submitted on 2026-04-07 19:07:33 , (133 unique-IP downloads)

Structured Media Remove Macroscopic Propagation Losses but Expose a Microscopic Decay Ceiling in Adjoint-Based Quantum Optimal Control of Selective Conversion

Authors: Keiji Yoshimura
Category: Quantum Physics