Top network posts

• 37 Is the theory of dual numbers strong enough to develop real analysis, and does it resemble Newton's historical method for doing calculus?
• 30 Are Conway's omnific integers the Grothendieck group of the ordinals under commutative addition?
• 29 Elements in $\hat{\mathbb{Z}}$, the profinite completion of the integers
• 25 What "metatheory" did early set theory/logic researchers use to prove semantic results?
• 24 Are Conway's combinatorial games the "monster model" of any familiar theory?
• 23 Skeleton category of the category of skeleton categories?
• 21 Tensor products of p-adic integers
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