Top network posts

• 57 $R$ is isomorphic to $R[X,Y]$, but not to $R[X]$
• 41 Heuristic argument for the Riemann Hypothesis
• 40 Have there been any updates on Mochizuki's proposed proof of the abc conjecture?
• 32 How do we recognize an integer inside the rationals?
• 30 Slick proof?: A vector space has the same dimension as its dual if and only if it is finite dimensional
• 28 How dangerous are set-size assumptions?
• 26 Is there an elementary way to find the integer solutions to $x^2-y^3=1$?
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