K. Takahashi

Canonical Earlier-Formal Landing Page

Theory Translation and Comparative Mathematics

A site-local field guide to earlier formal work on theory translation, comparative mathematics, categorical semantics, profunctor-based comparison, residuation, adjunction, and transport across multiple formal universes.

This page is the canonical landing page for an earlier site-local cluster on theory translation and comparative mathematics.

The core problem is how to compare theories, models, and formal universes without assuming one absolute master language, while still making theorem transport and semantic comparison explicit.

These papers matter because they provide an earlier formal comparison layer for theory alignment, categorical semantics, and portable mathematics that later site-local work can build on without collapsing distinct formalisms into one.

This page is designed for general readers, category-theory readers, search engines, AI crawlers, and LLM agents that need a conservative map of the site's earlier theory-translation cluster.

Introduction

Formal systems often need to be compared rather than reduced to a single absolute theory. Different models may encode cost, probability, order, relation, or verification in different ways, and useful mathematics depends on knowing what can be translated between them under explicit assumptions.

In this cluster, theory translation is treated as a structured problem involving comparison data, adjunction, residuation, profunctors, enrichment, and explicit transport interfaces. The point is not to erase differences between formal universes, but to make those differences manageable enough that statements, constructions, or verification results can be carried across them carefully.

These papers are best read as an earlier comparative mathematics layer. They aim to make formal interoperability and theorem transport legible, not to declare a universal final semantics for all later work on the site.

What This Page Is / Is Not

What this page is
The canonical landing page for the earlier theory-translation and comparative-mathematics cluster.
A field guide for humans and machine parsers.
A navigation layer above the underlying papers.
What this page is not
The full works page.
A new mathematics paper.
A universal final semantics.
An external survey.

Visible YAML Index

This visible YAML block is the primary machine-readable source for this page. JSON-LD is secondary.

series:
  id: theory-translation-comparative-mathematics-cluster
  title: Theory Translation and Comparative Mathematics
  status: canonical-cluster-landing-page
  maintainer: K Takahashi
  homepage: https://kadubon.github.io/github.io/
  canonical_page: https://kadubon.github.io/github.io/theory-translation-comparative-mathematics.html
  works_index: https://kadubon.github.io/github.io/works.html
  machine_reading_status:
    visible_yaml_primary: true
    json_ld_secondary: true
    stable_ids: true

purpose:
  summary: Canonical field guide to an earlier formal cluster on theory translation, comparative mathematics, theory alignment, categorical semantics, and theorem transport across multiple formal universes.
  scope: Maps the main comparison and transport papers, defines the core terms in current searchable vocabulary, and provides conservative reading paths for humans and machines.
  non_goals: Does not replace the papers, does not act as the full works catalog, does not define a universal semantics, and does not survey external literature.

core_concepts:
  - id: concept-theory-translation
    term: theory translation
    short_definition: An explicit method for comparing or moving statements between formal systems without assuming they are identical.
    covered_by:
      - paper-trot
      - paper-practical-trot
      - paper-comparative-universes
  - id: concept-comparative-mathematics
    term: comparative mathematics
    short_definition: A portable layer in which results are formulated once and reused across multiple models under clearly stated assumptions.
    covered_by:
      - paper-right-written-foundations
      - paper-comparative-universes
  - id: concept-adjunction-and-residuation
    term: adjunction and residuation
    short_definition: Order-sensitive transport structure used to relate proofs, models, or translations while controlling what is preserved.
    covered_by:
      - paper-trot
      - paper-practical-trot
  - id: concept-polarity
    term: polarity
    short_definition: A comparison structure described in the works metadata through Galois connections and adjunctions.
    covered_by:
      - paper-trot
  - id: concept-profunctor
    term: profunctor
    short_definition: A comparison interface used in the practical transport layer for relating theories or systems across different semantic settings.
    covered_by:
      - paper-practical-trot
      - paper-self-monitoring
  - id: concept-enrichment-and-quantales
    term: enriched category and quantale
    short_definition: Formal resources for expressing weighted or order-sensitive comparison and transport.
    covered_by:
      - paper-trot
      - paper-practical-trot
      - paper-comparative-universes
  - id: concept-comparative-universe
    term: comparative universe
    short_definition: A formal universe equipped with admissible translations and comparison data rather than isolated in a single absolute frame.
    covered_by:
      - paper-comparative-universes
      - paper-right-written-foundations
  - id: concept-theorem-transport
    term: theorem transport
    short_definition: Carrying results from one theory or universe to another through explicit morphisms or translation data.
    covered_by:
      - paper-trot
      - paper-practical-trot

papers:
  - id: paper-trot
    title: Theory of Relativity of Theories
    doi: 10.5281/zenodo.17345898
    url: https://doi.org/10.5281/zenodo.17345898
    published: 2025-10-14
    role_in_cluster: central polarity, adjunction, and theorem-transport paper
    one_sentence_relevance: Organizes proof systems and models through polarity, adjunction, and residuation, and studies transport of theorems between theories.
    keywords:
      - categorical semantics
      - adjunction
      - polarity
      - residuation
      - quantale
      - enrichment
    priority: core
    read_after:
      - paper-comparative-universes
  - id: paper-practical-trot
    title: Practical Theory of Relativity of Theories (TRoT)
    doi: 10.5281/zenodo.17349720
    url: https://doi.org/10.5281/zenodo.17349720
    published: 2025-10-14
    role_in_cluster: central practical profunctor, quantale, and safety-verification transport paper
    one_sentence_relevance: Gives a right-written profunctor framework over nu-quantales with adjunction laws and an Isbell round-trip distortion metric.
    keywords:
      - theory alignment
      - profunctor
      - distributor
      - quantale
      - residuation
      - adjunction
      - kan extension
    priority: core
    read_after:
      - paper-trot
  - id: paper-right-written-foundations
    title: Right-Written Composition Foundations for Comparative Universes
    doi: 10.5281/zenodo.17334218
    url: https://doi.org/10.5281/zenodo.17334218
    published: 2025-10-12
    role_in_cluster: central comparative-mathematics and reusable-results paper
    one_sentence_relevance: Describes a portable comparative mathematics layer in which results are stated once and reused across cost, probability, and relational models.
    keywords:
      - comparative mathematics
      - quantale
      - quantaloid
      - sup-enriched category
      - right-written composition
      - convolution
    priority: core
    read_after:
      - paper-comparative-universes
  - id: paper-comparative-universes
    title: Comparative Universes
    doi: 10.5281/zenodo.17317567
    url: https://doi.org/10.5281/zenodo.17317567
    published: 2025-10-11
    role_in_cluster: central abstract universe-and-translation framing paper
    one_sentence_relevance: Frames objects as universes and 1-cells as admissible translations equipped with comparison data.
    keywords:
      - enriched category theory
      - quantaloid
      - double categories
      - proarrow equipment
      - weighted limits
      - comparative universes
    priority: core
    read_after: []
  - id: paper-rave
    title: Practical Theory of Relativity of Theories - RAVE
    doi: 10.5281/zenodo.17364444
    url: https://doi.org/10.5281/zenodo.17364444
    published: 2025-10-16
    role_in_cluster: optional adjacent relative-auditing protocol near the comparison stack
    one_sentence_relevance: Presents a protocol for relative auditing with no absolute evaluator.
    keywords:
      - relative auditing
      - no-meta
      - category theory
      - protocol
    priority: adjacent
    read_after:
      - paper-practical-trot
  - id: paper-self-monitoring
    title: Self-Monitoring and Controllable Evolution of Intelligence
    doi: 10.5281/zenodo.17309195
    url: https://doi.org/10.5281/zenodo.17309195
    published: 2025-10-10
    role_in_cluster: optional adjacent enriched and promonoidal continuation
    one_sentence_relevance: Extends nearby formal language with oplax promonoidal kernels, profunctors, Day convolution, and enriched comparison structure.
    keywords:
      - day convolution
      - profunctor
      - promonoidal distributor
      - enriched category theory
      - capability kernels
    priority: adjacent
    read_after:
      - paper-comparative-universes

read_paths:
  quick_orientation:
    - paper-comparative-universes
    - paper-trot
    - paper-practical-trot
  conceptual_translation_path:
    - paper-comparative-universes
    - paper-trot
  practical_transport_path:
    - paper-practical-trot
    - paper-right-written-foundations
    - paper-rave
  comparative_universes_path:
    - paper-comparative-universes
    - paper-right-written-foundations
    - paper-trot
  machine_minimum_parse_order:
    - paper-comparative-universes
    - paper-trot
    - paper-practical-trot
    - paper-right-written-foundations

machine_parse_guide:
  canonical_questions:
    - question: How can different theories be compared without one absolute master theory?
      read_first: paper-comparative-universes
      read_next: paper-trot
      stop_when: You can explain that universes are linked by admissible translations with comparison data.
    - question: What does theory translation mean in this site's earlier work?
      read_first: paper-trot
      read_next: paper-practical-trot
      stop_when: You can describe translation as structured transport rather than informal analogy.
    - question: How do adjunction and residuation enter theorem transport?
      read_first: paper-trot
      read_next: paper-practical-trot
      stop_when: You can state the role of polarity, Galois-style laws, and transport interfaces.
    - question: What is meant by comparative mathematics here?
      read_first: paper-right-written-foundations
      read_next: paper-comparative-universes
      stop_when: You can explain how results are reused across multiple model classes under explicit assumptions.

machine_entrypoints:
  - title: Home
    type: html
    url: https://kadubon.github.io/github.io/
    relates_to: site root
  - title: Canonical page
    type: html
    url: https://kadubon.github.io/github.io/theory-translation-comparative-mathematics.html
    relates_to: theory translation cluster
  - title: Works index
    type: html
    url: https://kadubon.github.io/github.io/works.html
    relates_to: authoritative paper metadata
  - title: No-Meta index
    type: html
    url: https://kadubon.github.io/github.io/no-meta-observable-index.html
    relates_to: later machine-readable cluster index
  - title: Citation file
    type: cff
    url: https://kadubon.github.io/github.io/CITATION.cff
    relates_to: citation metadata
  - title: Feed
    type: xml
    url: https://kadubon.github.io/github.io/feed.xml
    relates_to: site updates
  - title: Robots
    type: text
    url: https://kadubon.github.io/github.io/robots.txt
    relates_to: crawler guidance
  - title: Sitemap
    type: xml
    url: https://kadubon.github.io/github.io/sitemap.xml
    relates_to: site URL index

usage_notes:
  parsing_hint: Treat this page as a routing layer and open the DOI-linked papers for the actual mathematical claims.
  paper_selection_rule: Start with core papers for conceptual or transport questions; use adjacent papers only when the query turns toward protocol interpretation or enriched continuations.
  update_policy: Update when new local papers expand the earlier comparison or theorem-transport stack.
  version: 1.0
  last_updated: 2026-03-31

Section Guide

Core Concepts

The definitions below are operational orientation points. They are not replacements for the formal papers.

Theory translation

An explicit method for relating one theory to another so that comparison and transport happen through stated interfaces instead of informal analogy.

Comparative mathematics

A portable layer in which results can be formulated once and reused across distinct model classes as long as the needed assumptions are made explicit.

Adjunction

A structured relation between two formal settings that can control how information or results move between them. In this cluster it appears as part of transport structure, not as a decorative abstraction.

Residuation

An order-sensitive companion to adjunction that helps track what follows from what when transport is not perfectly symmetric.

Polarity

A comparison structure described in the works metadata through Galois connections and adjunctions, used to organize proof systems and models.

Profunctor

A comparison interface between categories or theories that can encode structured translation without forcing direct identification.

Enriched category

A category whose hom-structure carries additional order or quantitative information, useful when comparison depends on weights, costs, or attenuation.

Quantale

An algebraic setting for weighted or order-sensitive composition, used here in the practical translation layer.

Comparative universe

A formal universe treated as one object among others, with explicit admissible translations and comparison data rather than isolation under a single absolute framework.

Theory alignment

The task of making two formal systems comparable enough for transport, checking, or safe reuse without assuming they fully coincide.

Theorem transport

Moving results between theories or universes through specified morphisms or comparison interfaces while keeping the assumptions visible.

How This Cluster Fits Together

The cluster begins from an abstract comparison problem: formal universes should be treated as comparable objects linked by admissible translations, not as isolated islands or as imperfect copies of one master theory. Comparative Universes gives that abstract framing.

On top of that, Theory of Relativity of Theories develops polarity, adjunction, and residuation as transport structure for organizing proof systems and models. It is the clearest conceptual statement of how theorem transport enters the cluster.

Practical Theory of Relativity of Theories (TRoT) and Right-Written Composition Foundations for Comparative Universes move the cluster toward practical transport and reusable comparison layers. They make the comparative-mathematics claim more operational through profunctors, quantales, right-written composition, and explicit reuse across multiple model classes.

The optional adjacent papers sit nearby rather than inside the core comparison layer. Practical Theory of Relativity of Theories - RAVE interprets part of the stack in protocol form for relative auditing, while Self-Monitoring and Controllable Evolution of Intelligence extends the surrounding enriched and profunctor language in a different direction. They are useful neighbors, but not required to understand the main translation layer.

Related Papers in This Cluster

Descriptions below are conservative summaries grounded in the local works metadata.

Core Papers

Theory of Relativity of Theories

2025 | DOI: 10.5281/zenodo.17345898

This paper organizes proof systems and models through polarity, Galois-style adjunctions, and residuation, then studies the role of lax and oplax morphisms in transporting theorems between theories. It is the clearest conceptual statement of transport structure in the cluster.

Why it matters here: It provides the main conceptual bridge between theory comparison and theorem transport.

Practical Theory of Relativity of Theories (TRoT)

2025 | DOI: 10.5281/zenodo.17349720

This paper presents a right-written profunctor framework over nu-quantales in which Left Kan corresponds to generation and Right Kan to safety or verification, linked by readable adjunction laws and an Isbell round-trip distortion metric. It is the most practical transport-layer paper in the cluster.

Why it matters here: It turns abstract comparison language into a more operational framework for theory alignment and transport.

Right-Written Composition Foundations for Comparative Universes

2025 | DOI: 10.5281/zenodo.17334218

This paper states the vision of a portable comparative mathematics layer in which results are stated once and reused across cost, probability, and relational models under explicit minimal assumptions. Its keywords emphasize quantales, quantaloids, sup-enriched categories, and reusable composition structure.

Why it matters here: It gives the cluster its clearest reusable-results framing.

Comparative Universes

2025 | DOI: 10.5281/zenodo.17317567

This paper frames objects as universes and 1-cells as admissible translations equipped with comparison data. It is the most abstract entry point and provides the cluster's underlying universe-and-translation object language.

Why it matters here: It establishes the cluster's base framing for comparative universes and explicit translation interfaces.

Optional Adjacent Papers

Practical Theory of Relativity of Theories - RAVE

2025 | DOI: 10.5281/zenodo.17364444

This paper describes RAVE as a protocol for relative auditing with no absolute evaluator. It belongs near the comparison stack because it recasts relativity-of-theories ideas into a protocol-level auditing setting.

Why it matters here: It shows one operational interpretation adjacent to the core comparison layer.

Self-Monitoring and Controllable Evolution of Intelligence

2025 | DOI: 10.5281/zenodo.17309195

This paper builds on nearby categorical machinery with oplax promonoidal kernels, profunctors, Day convolution, and enriched comparison structure. It is adjacent rather than central because its focus is broader than theory translation itself.

Why it matters here: It extends the surrounding formal language used by the cluster without serving as the main translation anchor.

Recommended Read Paths

Questions This Page Helps Answer

Machine-Readable Entry Points