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2d
answered Does the graph $y=\sin(x)\times\sin(x^{-2 })$ cross the $x$ axis an infinite amount of times in a finite interval?
Apr
25
answered Index set of dyadic partition
Apr
17
answered Define Grundy values
Apr
17
answered Tutorials for Sprague-Grundy Theorem/Nimbers?
Apr
16
answered What's the intuition behind the identities $\cos(z)= \cosh(iz)$ and $\sin(z)=-i\sinh(iz)$?
Apr
3
answered Dichotomy in the number of regions on a plane formed by an infinite number of lines
Mar
14
answered Factorization game, can we find winning strategy?
Mar
12
answered Determine optimal strategy in board game
Mar
10
answered Finding p positions with 2 subtraction sets in the take-away game
Mar
1
answered Game-winning strategy
Feb
29
answered Why does an inconsistent linear system have no “real” solutions?
Feb
27
answered Seemingly contradictory results
Feb
26
answered A set of vectors in $R^2$ for which $x + y$ stays in the set but $\frac12x$ may be outside.
Feb
16
answered What is the winning strategy for this Game on the Power Set
Feb
12
answered Can someone explain why $(e,1)$ and $(t, \ln t)$ are the two points of intersection for this question?
Feb
11
answered Is $2^{\infty}$ an Indeterminate form
Feb
6
answered What is the name for the point where a non-smooth transition occurs
Feb
6
answered Is there a name for dividing a set into pieces, some of which may be empty?
Jan
25
answered Placing stones on vertices of polygon
Jan
23
answered General clarification for derivative notation