Donald Yau is a mathematician who specializes in algebraic topology and algebraic K-theory. He has published over fifty research articles and 15 books, including Homotopy Theory of Enriched Mackey Functors (Cambridge, 2025).

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• Part I. From Operadic Pseudoalgebras to G-G-Categories: 1. Pseudo-commutative operads and operadic pseudoalgebras; 2. GCat-multicategories of operadic pseudoalgebras; 3. Symmetric monoidal closed category of g-g-categories; 4. GCat-multifunctors from operadic pseudoalgebras to g-g-categories; Part II. GCat-Multifunctors from Operadic Pseudoalgebras to G-G-Categories: 5. Equivariant orthogonal spectra; 6. From G-G-categories to G-G-spaces; 7. Symmetric Gtop-monoidal equivariant K-theory; Appendices: Appendix A. Symmetric monoidal categories; Appendix B. Multicategories; Appendix C. Classifying space; Bibliography; Index.

Donald Yau is a mathematician who specializes in algebraic topology and algebraic K-theory. He has published over fifty research articles and 15 books, including Homotopy Theory of Enriched Mackey Functors (Cambridge, 2025).

Select Guide Rating

• Part I. From Operadic Pseudoalgebras to G-G-Categories: 1. Pseudo-commutative operads and operadic pseudoalgebras; 2. GCat-multicategories of operadic pseudoalgebras; 3. Symmetric monoidal closed category of g-g-categories; 4. GCat-multifunctors from operadic pseudoalgebras to g-g-categories; Part II. GCat-Multifunctors from Operadic Pseudoalgebras to G-G-Categories: 5. Equivariant orthogonal spectra; 6. From G-G-categories to G-G-spaces; 7. Symmetric Gtop-monoidal equivariant K-theory; Appendices: Appendix A. Symmetric monoidal categories; Appendix B. Multicategories; Appendix C. Classifying space; Bibliography; Index.

Donald Yau is a mathematician who specializes in algebraic topology and algebraic K-theory. He has published over fifty research articles and 15 books, including Homotopy Theory of Enriched Mackey Functors (Cambridge, 2025).

Select Guide Rating

• Part I. From Operadic Pseudoalgebras to G-G-Categories: 1. Pseudo-commutative operads and operadic pseudoalgebras; 2. GCat-multicategories of operadic pseudoalgebras; 3. Symmetric monoidal closed category of g-g-categories; 4. GCat-multifunctors from operadic pseudoalgebras to g-g-categories; Part II. GCat-Multifunctors from Operadic Pseudoalgebras to G-G-Categories: 5. Equivariant orthogonal spectra; 6. From G-G-categories to G-G-spaces; 7. Symmetric Gtop-monoidal equivariant K-theory; Appendices: Appendix A. Symmetric monoidal categories; Appendix B. Multicategories; Appendix C. Classifying space; Bibliography; Index.