I have an amateur interest in combinatorial game theory and rarely update a blog with some basic exposition on the subject (see website).
If you need to contact me, use the e-mail address at this link.
12 Which is greater, $20 \uparrow\uparrow\uparrow\uparrow 20$ or $4 \uparrow\uparrow\uparrow\uparrow\uparrow 4$? aug 16
8 Are differences between powers of 2 equal to differences between powers of 3 infinitely often? oct 18 '13
7 What could be better than base 10? may 8 '13
6 Continuous partials at a point without being defined throughout a neighborhood and not differentiable there? nov 11 '12
6 Understanding various definitions of TREE($n$) in Friedman's finite form of Kruskal's tree theorem. mar 6 '12
6 Existence of non-commutative ordered ring dec 29 '13
6 Is $540^\circ$ a straight angle? mar 28
5 Easy visualizations of small countable ordinals jan 5 '14