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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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  • Last seen Sep 5 '19 at 13:33

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35 How large is TREE(3)? Apr 12 '12
22 How to prove Lambert's W function is not elementary? Jul 6 '13
21 Is Monsky's theorem dependent on the axiom of choice? Sep 12 '12
16 Integration in the surreal numbers Apr 24 '12
14 Tarski monster groups: for which primes they don't exist? Oct 18 '12
14 Differential equations and axiom of choice Nov 12 '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
11 Fast-growing hierarchy and Turing machines Aug 2 '12
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