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What might an expository mathematical wiki be like? « Gowers's Weblog - 0 views

  • trick, that can be used in many mathematical situations. With such tricks, it is usually difficult, and in any case not desirable, to formalize them as lemmas: if you try to do so then almost certainly your formal lemma will not apply in all the situations where the trick does.
  • Of course, in many cases, the devil really is in the details, but nevertheless knowing the overall strategy of proof is extremely valuable when trying to read that proof.
  • Yong-Hui Says: November 3, 2008 at 5:57 pm | Reply I am in MSRI for the cofference discrete Rigity. Green will give the first lecture. I just happen to find a question for that tricki wiki: Whether is there a common-shared refference system for that tricki wiki? Similar to that of Mathscinet of ams math review It will be a basic instrument for a mathematical website.
arithwsun arithwsun

周日ZT:郎咸平在苏南民营家族峰会上答听众问_东方文化西方语_新浪博客 - 0 views

  • 企业成功的充分条件是什么?我们谈了无数的必要条件,我谈都谈烦了,我今天谈一下什么叫充分条件?所谓的充分条件就是行业本质。那么纺织行业的行业本质是什么?我们这个纺织行业,从6+1,从制造,一直到最后销售,在广东地区,应该是180天,在江浙地区稍微快一点,我看也是90—180天,你真正的行业本质是把这个整个流程6+1的流程高度压缩,压的越短,你越成功,这个就是行业本质。也是你成功的充分条件。你知道世界排名第一的纺织行业它是几天吗?莎拉,12天,第二名,瑞典的公司21天。当初我在讲这个纺织行业本质的时候,我在广东讲的,珠海威丝曼集团,也和你们一样,180天,听了我演讲之后,马上改,改成了15天,那我说你怎么做到的?他说我们贯彻郎咸平教授的思想,我说讲正题,他说,当我问每一个部门主管的时候,我们要按照郎咸平教授的思想,压缩时间,采购部门说我只要3个礼拜,我行销又是2个礼拜,物流又是1个月,那么加在一起又是180天,我说你怎么解决呢?他说,郎咸平教授上课一再强调,只要念完本科就是什么啊?缺乏创造力,思想僵化,因此,他把所有主管全部炒鱿鱼,换上一批新的主管,来了第一天就告诉他,15天,结果,半年之后,全部做到了。
  • 当你把时间大幅压缩成15天,或者12天吧,你晓不晓得,你在整个6+1的环节里面,6里面你省了多少成本?仓促从180天到12天,你省了90%的成本,到这里发现,撒拉之所以成功,根本就不考虑在中国生产,撒拉从来不在中国生产,他们生产80%都是在西班牙,成本不是很高吗?无所谓。因为纺织行业的充分条件是整个6+1的高度压缩。所以他们仍然在西班牙生产,劳动成本非常高,无所谓,因为当你把6+1的6一压缩之后,高度整合的结果使得你从大物流体系,省下大量的钱,而这才是席卷全世界的重要原因。
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