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Feldmann Denis

French math teacher (undergraduate level, CPGE), Ecole Normale Supérieure (Ulm, prom 1967) ; lots of other interests (see my website)
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34 How large is TREE(3)? Apr 12 '12
20 Is Monsky's theorem depending on axiom of choice ? Sep 12 '12
19 How to prove Lambert's W function is not elementary? Jul 6 '13
15 Integration in the surreal numbers Apr 24 '12
14 Differential equations and axiom of choice Nov 12 '12
13 Tarski monster groups: for which primes they don't exist? Oct 18 '12
13 How large is TREE(3)? Apr 13 '12
11 Is the sum sin(n) bounded? Jun 9 '12
11 Topologies on the field of rationals Sep 5 '12
10 Fast-growing hierarchy and Turing machines Aug 2 '12
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