The Dugundji PDF is not a beach read. It is a reference weapon. I keep it open on my second monitor whenever I encounter a weird statement about "perfectly normal spaces" or "fiber bundles."
Be wary of PDFs that are only 15 MB (the original is closer to 40–50 MB with proper image scans) or those missing Chapter 16 (the CW-complex section). Topology -Dugundji-.pdf
If you have spent any time in graduate-level mathematics forums or asked a topologist for a "tough but rewarding" text, you have inevitably heard the whisper: Dugundji . The Dugundji PDF is not a beach read
The topology community worldwide recognizes the significance of the contributions made by James T. Dugundji. The Mathematical Association of America and other mathematical organizations have acknowledged the book's influence on the field of topology and mathematics. If you have spent any time in graduate-level
Before dissecting the PDF, one must understand the mind behind the ink. James Dugundji (1919–1985) was a Polish-American mathematician known for his work in topology, functional analysis, and the theory of dynamical systems. A student of the legendary Witold Hurewicz, Dugundji brought a European rigor tempered with American pragmatism to his writing.