My Brain Is Open

My Brain Is Open is a biography of mathematician Paul Erdős, chronicling his life as one of the most prolific and influential mathematicians of the 20th century. The book's title comes from Erdős's standard greeting to fellow mathematicians, indicating he was ready to collaborate on problem-solving. The biography follows Erdős from his early years in Hungary through his nomadic adult life, during which he traveled between mathematicians' homes and conferences worldwide. It documents his unique lifestyle, his dedication to mathematics, and the vast network of collaborators he built throughout his career. The narrative details Erdős's mathematical contributions, explaining key concepts and discoveries in terms accessible to general readers. The book includes accounts from colleagues and friends who hosted Erdős during his travels, providing insight into his habits, personality, and methods of working. The book presents mathematics as a fundamentally social and collaborative endeavor, challenging the stereotype of the isolated genius. Through Erdős's story, it explores the intersection of mathematical creativity, human connection, and single-minded pursuit of knowledge.

Readers found this biography of mathematician Paul Erdős accessible to non-mathematicians while still offering depth for those with math backgrounds. Many noted it captures Erdős's unique personality and nomadic lifestyle. Strengths: - Clear explanations of complex mathematical concepts - Engaging portrayal of Erdős's eccentricities and dedication to math - Good balance of personal anecdotes and mathematical content - Successfully conveys the collaborative nature of mathematics Criticisms: - Some felt it focused too much on Erdős's quirks over his mathematical work - A few readers wanted more technical details about his theorems - Occasional repetition of stories and anecdotes Ratings: Goodreads: 3.9/5 (532 ratings) Amazon: 4.3/5 (47 ratings) "The author makes higher mathematics approachable without dumbing it down," wrote one Amazon reviewer. A Goodreads reader noted: "While entertaining, I wished for deeper coverage of his mathematical contributions rather than just his personality."

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🔹 Paul Erdős, the subject of this biography, published more mathematical papers than any other mathematician in history - over 1,500 papers with 511 different collaborators. 🔹 The book's title comes from Erdős's habit of announcing "my brain is open" when he was ready to work on mathematics with colleagues - often showing up unannounced at their homes. 🔹 Author Bruce Schechter was a physicist before becoming a science writer, and spent time with Erdős in the final years of his life while researching this book. 🔹 Erdős developed a unique mathematical vocabulary, referring to children as "epsilons," women as "bosses," and men as "slaves." God was known as the "Supreme Fascist" in his lexicon. 🔹 The "Erdős number" became a measure of mathematical collaboration - those who published directly with him have Erdős number 1, those who published with his collaborators have number 2, and so on. Einstein's Erdős number was 2.