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Mar
14
revised Prove that every outer planar graph is $3$-choosable
added 408 characters in body
Mar
14
answered Prove that every outer planar graph is $3$-choosable
Mar
12
answered Examples of non-hamiltonian decomposable graphs
Mar
8
revised Worst case in decanting puzzles (pouring water from one jug to others).
I forgot that I had made the assumption that A0+B0+C0 is at most A, where A0, etc is the initial state.
Mar
7
awarded  Curious
Mar
6
asked Worst case in decanting puzzles (pouring water from one jug to others).
Aug
11
awarded  Yearling
Jun
8
awarded  Good Answer
Dec
21
comment If $X$ is $G$-paradoxical then $G$ is $G$-paradoxical. Is my proof correct?
Sorry if I did not read it in detail, but I guess all is well. And I guess my old hint is acceptable. But, as noted, we are now working on a second edition so if you see anything that is obscure, or could benefit from an elucidating phrase, (or is wrong!) please tell me. You can find my e-address atop by web page, stanwagon.com
Dec
21
answered If $X$ is $G$-paradoxical then $G$ is $G$-paradoxical. Is my proof correct?
Dec
18
answered Banach Measures: total, finitely-additive, isometry invariant extensions of Lebesgue Measure
Aug
11
awarded  Yearling
Feb
17
revised Banach Tarski — any demonstration?
added comments about the cited visualization of BTParadox on the WRI cite.
Feb
17
answered Banach Tarski — any demonstration?
Dec
16
comment free group generated by polynomials
Thanks to all for the quick and complete answers!
Dec
16
revised free group generated by polynomials
added 284 characters in body
Dec
16
asked free group generated by polynomials
Aug
11
awarded  Yearling
May
29
asked Edge Coloring of Kneser Graphs
May
28
awarded  Scholar