tl;dr: Japanese polices have just solved the halting problem Background Definition: Halting problem is: Given any Turing Machine M and an input s, decide whether M(s) halts. In common words, halting problem is saying, given a program, and some inputs, determining whether the program exits at all. In 1936, Alan Turing proved that there is no hope we can write a program to solve such a problem. But
Jeremy Grantham, an investor credited with predicting the 2000 and 2008 downturns, told CNBC on Thursday that investors should get inured to lackluster returns in the stock market for the next two decades, after a century of handsome gains. “In the last 100 years, we’re used to delivering perhaps 6%,” but the U.S. market will be delivering real returns of about 2% or 3% on average over next 20 yea
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