Leanpub Header

Skip to main content

Category Theory for AI Abstract Foundations Functorial Models & Compositional Learning VOL-2

Explore the advanced frontier of Category-Theoretic Artificial Intelligence. Discover how transformers, symbolic reasoning, reinforcement learning, higher categories, topos theory, and compositional learning can be unified through the powerful language of category theory. An essential guide for researchers, AI professionals, and future AGI innovators.

Minimum price

$9.99

$19.99

You pay

Author earns

$
PDF
EPUB
About

About

About the Book

Category Theory for AI: Abstract Foundations, Functorial Models & Compositional Learning (Vol-II)

Artificial Intelligence is rapidly evolving from collections of isolated algorithms into highly compositional systems capable of reasoning, learning, adapting, and interacting across multiple modalities and environments. As AI architectures grow in complexity, traditional mathematical tools often struggle to provide a unified language for describing their structure, behavior, and interoperability.

Category Theory offers a powerful solution.

Widely regarded as the mathematics of structure, abstraction, and composition, category theory provides a rigorous framework for understanding how complex systems are built from simpler components. In recent years, it has emerged as one of the most promising mathematical foundations for next-generation Artificial Intelligence, machine learning, symbolic reasoning, probabilistic systems, and general intelligence research.

Category Theory for AI: Abstract Foundations, Functorial Models & Compositional Learning (Vol-II) extends the foundations established in Volume I and moves into advanced categorical frameworks that directly connect to modern AI research and development.

This volume explores how categorical structures can be used to understand transformers, attention mechanisms, symbolic AI, reinforcement learning, higher-dimensional reasoning, topos-theoretic intelligence, compositional architectures, and future Artificial General Intelligence (AGI) systems.

Readers will discover how:

  • Attention mechanisms can be interpreted as morphisms within structured categories.
  • Transformer architectures exhibit deep categorical composition.
  • Knowledge graphs and symbolic reasoning systems can be represented through categorical semantics.
  • Monads and adjunctions provide elegant frameworks for neuro-symbolic integration.
  • Reinforcement learning policies can be modeled through categories of actions and rewards.
  • Higher categories offer powerful representations for multi-agent and multimodal intelligence.
  • Topos theory provides mathematical universes capable of modeling intelligent reasoning.
  • Functorial learning enables scalable and compositional AI architectures.

The book bridges pure mathematics, machine learning, logic, theoretical computer science, and AI engineering, providing readers with both conceptual depth and practical relevance.

Unlike traditional AI texts that focus primarily on implementation, this volume investigates the deeper mathematical structures underlying intelligence itself. Through advanced categorical concepts, readers gain a unified perspective that connects neural systems, symbolic reasoning, probabilistic models, graph learning, autonomous agents, and future AGI frameworks.

Special attention is given to implementation and practice. Dedicated chapters introduce category-theoretic programming tools, functorial model construction, compositional debugging, and practical applications in robotics, computer vision, NLP, autonomous systems, medical AI, quantum machine learning, and multi-agent environments.

Designed for researchers, graduate students, educators, AI practitioners, and mathematically inclined developers, this book serves as both an advanced textbook and a research reference.

As Artificial Intelligence moves toward more modular, interpretable, scalable, and compositional systems, categorical thinking is becoming increasingly important. This volume equips readers with the mathematical language needed to participate in that transformation.

More than a study of category theory, this book presents a vision for the future of intelligent systems—one where abstraction, composition, and structure become central principles of machine intelligence.

Bundle

Bundles that include this book

Author

About the Author

Anshuman Mishra

Anshuman Kumar Mishra, M.Tech (Computer Science) Assistant Professor, Doranda College, Ranchi University

Prolific Author of 50+ Books on AI, Machine Learning & Computer Science | 20+ Years Experience

Anshuman Kumar Mishra is a dedicated educator, researcher, and highly prolific author with over 20 years of experience in Computer Science and Information Technology. Holding an M.Tech in Computer Science from BIT Mesra, he brings a rare combination of academic depth and practical teaching expertise.

Currently serving as Assistant Professor at Doranda College under Ranchi University, he has mentored thousands of students, helping them build strong foundations in programming, data science, and artificial intelligence. His student-centric teaching style emphasizes conceptual clarity, hands-on practice, and real-world application.

Anshuman is a prolific author with more than 50 books published across a wide spectrum of computer science and emerging technology domains. From foundational programming languages to advanced topics in Artificial Intelligence, Machine Learning, Reinforcement Learning, Decision Theory, and Computer Vision — his books are widely appreciated by students, educators, and professionals for their clear explanations, strong theoretical foundation, and practical approach.

His extensive body of work reflects his deep commitment to making complex subjects accessible and meaningful for learners at all levels. He is particularly recognized for creating well-structured learning paths that help readers progress from beginner to advanced levels with confidence.

Driven by the mission to democratize quality technical education, Anshuman continues to write and update books that bridge the gap between academic theory and industry practice.

When not teaching or writing, he actively follows and explores new developments in AI, Quantum Machine Learning, and Ethical Intelligence systems.

Contents

Table of Contents

Book Title Title Category Theory for AI: Abstract Foundations, Functorial Models & Compositional Learning VOL-2 ________________________________________ PART III — APPLIED CATEGORY THEORY IN AI ARCHITECTURES ________________________________________ Chapter 13: Transformers & Attention Through Category Theory 1-17 13.1 Attention as a morphism 13.2 Category of sequences 13.3 Functorial view of self-attention 13.4 Monoidal categories in transformer blocks 13.5 Higher-categorical representations of long-context models 13.6 Functorial token embeddings ________________________________________ Chapter 14: Category Theory and Symbolic AI 18-42 14.1 Categories of logic 14.2 Categorical semantics of knowledge graphs 14.3 Monad-based symbolic reasoning 14.4 Categorical unification 14.5 Hybrid neuro-symbolic AI via adjunctions ________________________________________ PART IV — ADVANCED TOPICS: HIGHER CATEGORIES & GEOMETRIC AI ________________________________________ Chapter 15: Higher Categories & AI 43-68 15.1 2-categories 15.2 Functorial semantics of 2D/3D AI models 15.3 Bicategories in relational learning 15.4 Higher monoidal structures in multimodal AI 15.5 n-categorical models for AGI research ________________________________________ Chapter 16: Topos Theory for Machine Learning 69-93 16.1 What is a topos? 16.2 Topos as generalized universes 16.3 Logic inside a topos 16.4 Topos theory for vision systems 16.5 Topos-based reasoning for autonomous systems ________________________________________ Chapter 17: Category Theory for Reinforcement Learning 94-117 17.1 Categories of actions 17.2 Functorial reward models 17.3 Policy morphisms 17.4 Monoidal categories for sequential decisions 17.5 Category-theoretic fixed points & Q-learning 17.6 Compositional RL architectures ________________________________________ PART V — IMPLEMENTATION GUIDE ________________________________________ Chapter 18: Programming with Categories 118-141 18.1 Category libraries (Catlab, Haskell, Python CatPy) 18.2 Using categories in PyTorch and TensorFlow 18.3 Diagrammatic computation 18.4 Category-based model validation ________________________________________ Chapter 19: Functorial Learning Framework Implementation 142-171 19.1 Modeling functors in code 19.2 Implementing natural transformations 19.3 Category-based optimizer design 19.4 Compositional model debugging 19.5 Case studies (NLP, vision, graphs) ________________________________________ Chapter 20: Real-World Applications 172-196 20.1 Autonomous vehicles 20.2 Robotics 20.3 Medical diagnostics 20.4 Quantum machine learning 20.5 Data security & cryptographic protocols 20.6 Multi-agent systems ________________________________________ PART VI — RESEARCH FRONTIERS ________________________________________ Chapter 21: Category Theory & AGI 197-214 21.1 Compositional general intelligence 21.2 Universal abstractions in learning 21.3 Cognitive architectures & categorical semantics ________________________________________ Chapter 22: Open Problems in Category-Theoretic AI 215-242 22.1 Lack of categorical datasets 22.2 Scaling functorial learning 22.3 Categorical interpretability 22.4 Higher-dimensional semantics 22.5 Research directions

The Leanpub 60 Day 100% Happiness Guarantee

Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.

Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.

You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!

So, there's no reason not to click the Add to Cart button, is there?

See full terms...

Earn $8 on a $10 Purchase, and $16 on a $20 Purchase

We pay 80% royalties on purchases of $7.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between $0.99 and $7.98. You earn $8 on a $10 sale, and $16 on a $20 sale. So, if we sell 5000 non-refunded copies of your book for $20, you'll earn $80,000.

(Yes, some authors have already earned much more than that on Leanpub.)

In fact, authors have earned over $15 million writing, publishing and selling on Leanpub.

Learn more about writing on Leanpub

Free Updates. DRM Free.

If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).

Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.

Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.

Learn more about Leanpub's ebook formats and where to read them

Write and Publish on Leanpub

You can use Leanpub to easily write, publish and sell in-progress and completed ebooks and online courses!

Leanpub is a powerful platform for serious authors, combining a simple, elegant writing and publishing workflow with a store focused on selling in-progress ebooks.

Leanpub is a magical typewriter for authors: just write in plain text, and to publish your ebook, just click a button. (Or, if you are producing your ebook your own way, you can even upload your own PDF and/or EPUB files and then publish with one click!) It really is that easy.

Learn more about writing on Leanpub