Seven Sketches in Compositionality: An Invitation to Applied Category Theory

Brendan Fong and David I. Spivak present an intellectually stimulating and thought-provoking exploration of applied category theory in their book “Seven Sketches in Compositionality: An Invitation to Applied Category Theory.” This captivating work serves as an invitation to both newcomers and seasoned enthusiasts, delving into the fascinating world of category theory and its applications in various fields.

Through seven insightful sketches, Fong and Spivak masterfully guide readers on a journey of discovery. With clarity and precision, they illuminate the fundamental concepts of compositionality and how they intertwine with category theory. The authors adeptly blend theoretical foundations with real-world examples, showcasing the practical relevance of this mathematical framework.

In each sketch, Fong and Spivak skillfully demonstrate the power of applied category theory across diverse domains. From computer science to linguistics, from network theory to quantum mechanics, this book highlights the versatility and applicability of category theory in solving complex problems. Through these engaging examples, readers gain a deeper appreciation for the universal language that category theory provides in understanding and structuring our world.

The authors’ writing style is both accessible and engaging, making this book accessible to a wide range of readers. Fong and Spivak strike a harmonious balance between rigor and intuition, allowing readers to grasp the core ideas without sacrificing mathematical rigor. The careful inclusion of illustrations and diagrams further enhances the clarity of the presented concepts.

As an invaluable resource for students, researchers, and practitioners, “Seven Sketches in Compositionality” offers an array of opportunities for exploration and application. Its comprehensive coverage and compelling examples empower readers to embark on their own journeys into applied category theory. Whether one seeks a solid introduction to the subject or wishes to deepen their understanding, this book serves as an excellent companion.

To delve into the world of applied category theory and embark on a captivating intellectual adventure, click here to access the full book: Seven Sketches in Compositionality: An Invitation to Applied Category Theory (link: