The paper didn’t appear on the arXiv, but someplace called “Preprints.org.” Come to think of it, I should add this to my famous Ten Signs a Claimed Mathematical Breakthrough is Wrong! It’s not that there isn’t tons of crap on the arXiv as well, but so far I’ve seen pretty much only crap on preprint repositories other than arXiv, ECCC, and IACR.
今年 3 月 8 日是周日,没有额外假期,却更方便提前安排。
,这一点在新收录的资料中也有详细论述
"The crew's doing great," Steve Stich, manager, Nasa's Commercial Crew Program, said at a news conference.
The tax code isn’t just a revenue collection tool. Governments use it to influence behavior. While taxes are often portrayed as a burdensome system that takes from individuals and businesses, the truth is that nearly every country’s tax laws are filled with incentives designed to encourage activities that benefit society.