id: 05679774 dt: j an: 05679774 au: Calude, Cristian S.; Chaitin, G.J. ti: What is a halting probability? so: Notices Am. Math. Soc. 57, No. 2, 236-237 (2010). py: 2010 pu: American Mathematical Society, Providence, RI la: EN cc: ut: ci: li: