t***s
发帖数: 88 | 1 \usepackage[letterpaper]{geometry}
\geometry{verbose,tmargin=3cm,bmargin=3cm,lmargin=3cm,rmargin=3cm}
改成你想要的 |
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r********d
发帖数: 13 | 2 用下面的命令，无论怎么设置right的参数，右边的空白死活不变，怎么回事
\documentclass[a4paper,12pt]{article}
\usepackage[margin=1in]{geometry}
\geometry{left=2.5cm,right,top=2.5cm} |
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c*****e
发帖数: 32 | 3 如果你的 Cygwin package 下载全了的话。除了你当前用的 twm，还有至少四种 Windows
Manager.
1. WindowMaker（wmaker）
2. openbox
3. fvwm2
4. mwm <-我不喜欢，所以不介绍了
你把 /etc/X11/xinit/xinitrc 拷贝到 $HOME/.xinitrc ；然后修改这个文件的最后几行
以得到你想要的Windows Manager. 我的最后几行是这样的：
...
# start some nice programs
openbox & <--- 关键是这行要改成你想要的 windows manager.
xclock -geometry 50x50-1+1 &
xterm -geometry 80x66+0+0 -name login
WindowMaker 和 Openbox 都是启动后再配置容易一些。
fvwm2 要先建一个 $HOME/.fvwm2rc 如果你不会写可以用
/usr/X11R6/share/fvwm2/system.fvwm2rc |
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m**h
发帖数: 207 | 4 I have a maxtor 20G HD. I tried to install FreeBSD4.6 on it. But
FreeBSD can't recongize the geometry of the disk properly, and
always think it's 2G disk, even i mannually set the geometry, still
doesn't work. anyone know how to solve the problem? thanks. |
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c*******s
发帖数: 19 | 5 i installed cygwin/xfree 86,
when I start xfree 86, i get into "fvwm" ,
however, one small problem occurs,
1. when I open xterm, it could not recognize "cd ~/" and it is not appearing
my $usr@host$ kind of default appearance
2. 方向建向上，并不recall the last command, instead the scroller just
literally "go up".
here is my .xinitric file,
xhost + localhost
cd
xterm -display $DISPLAY -name "xterm-1" -sb -sl 1000 -geometry +0+0 &
xterm -display $DISPLAY -name "xterm-2" -sb -sl 1000 -geometry +270+190 &
f |
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s******o
发帖数: 298 | 6 March 15, 2002 | During the mid-1970s, fortuitous geometry allowed Mariner 10
to zip by Mercury three times in a 12-month period. But that same geometry
precluded the spacecraft from seeing almost half of the innermost planet's
surface — a "terra incognita" that remains virtually unknown nearly three
decades later.
However, as radar facilities on Earth continue to probe the unseen territory
with ever-improving resolution, Mercury is slowly giving up its secrets.
Several days of observations made |
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t**********m
发帖数: 205 | 7 mmiittbbss网友 kennkqzhang 有一个关于数学和物理的问题：
“原来那个写了一本非常好的‘calculus’书的，是个做differential geometry的；
相信他的书都写得很好；
不过，原本以为场论里面都是代数，both classical linear space algebra and
modern abstract algebra；
没想到，又是geometry，跟广义相对论很相似？
需要 albegraic topology，differential topology？
数学太乱了；
物理世界真的有这么复杂码？？
本人就是从纯数学转到理论物理的七七级大学生。你要问我为什么学理论物理，答案很
简单：数学没有诺贝尔奖。
本人根本就不是什么天才，但从小就有打破砂锅问到底的决心！
1. 微积分
你提到Spivak的‘calculus’，真是绝了！我在中国教了十一年书，痛恨微积分的教材
，这些教材把当年牛顿的思想忘得一干二净！所以我写了一本微积分的教材，企图复辟
牛顿的思想，但没有出版该教材（因为我要花时间争取获诺贝尔奖）。所幸的是，六年
之后，在华中科技 |
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l**********1
发帖数: 5204 | 8 YOU SURE?
//www.ncbi.nlm.nih.gov/pubmed/19906726
Berkholz DS, Krenesky PB, Davidson JR, Karplus PA.
Protein Geometry Database: a flexible engine to explore backbone
conformations and their relationships to covalent geometry.
Nucleic Acids Res. 2010 Jan;38(Database issue):D320-5 |
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d********m
发帖数: 3662 | 9 另外，cell geometry还是很有前沿的啊。记得前几天刚看了一篇richard losick的
science文章，做的是bacterial cell geometry shaping its physiological
features。感觉还是很有点意思 |
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k******0
发帖数: 1073 | 10 Zhang, Yitang’s life at Purdue
(Jan. 1985-Dec, 1991)
T.T.Moh
1
Dr. Zhang Yitang made a major advancement to the twin prime conjec-ture as
verified by Prof. H. Iwaniec, a famous number theorist. Some people are
curious about Yitang’s life as a graduate student at Purdue University.As
the thesis adviser of Dr. Zhang, I will share my memories of
him.
1 China to USA
By the recommendations of Prof. Ding, Shihsun (an algebrais
t, Presi-dent of Peking University) and Prof. Deng, D.G. (Chairman of
Depar... 阅读全帖 |
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l**********1
发帖数: 5204 | 11 RE
>邓的“跷跷板”模型，也不完全
: 合适，其实应该类似“台球”台的样子，不同的口袋代表不同的胚层或细胞类型；
只要
: 外力及其方向确定好了，球可以从任何地方跑进任何一个口袋里去。这样，就可以
解释
: reprogramming,differentaition和transdifferentiation的发生。
The Geometric model is shown as attached figure
cited from
V.I.Arnold and A.B.Givental, Symplectic geometry Translated from 1985
Russian original. in Dynamical Systems IV, Encycl. of Math. Sciences 4,
Springer, 1-136 (1990)
PDF link:
HTTP//www.maths.ed.ac.uk/~aar/papers/arnogive.pdf
its page21
n.b. no math/geometry major of PKU graduated ... 阅读全帖 |
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b***2
发帖数: 5 | 13 【 以下文字转载自 ME 讨论区 】
发信人: byu42 (william), 信区: ME
标 题: call for PhD student
关键字: 博士,招生,机械
发信站: BBS 未名空间站 (Tue Mar 1 11:44:16 2011, 美东)
Call for Ph.D. Student
Position: Ph.D. student (research assistant) in mechanical engineering.
University: Tennessee Technological University, Cookeville, Tennessee, USA
Advisor: Kwun-lon Ting (ASME fellow) http://www2.tntech.edu/me/Faculty_Bios/ktingbio.html
Financial aid: Research assistant ship starting $1300/month (renewable
annually) plus all... 阅读全帖 |
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a*****g
发帖数: 19398 | 14 December 18, 2013
By VIKAS BAJAJ
http://www.nytimes.com/2013/12/18/opinion/q-a-with-liping-ma.ht
Liping Ma, a former teacher and principal in China, has written extensively
about the differences between how the United States and China teach math to
elementary school students. After earning a doctorate in curriculum and
teacher education from Stanford University, she worked as a senior scholar
at the Carnegie Foundation for the Advancement of Teaching. In 1999, she
published “Knowing and Teaching... 阅读全帖 |
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j*******r
发帖数: 20 | 15 我不懂ee，但是以Algebra，Geometry，Stochastics在cs中应用广泛的程度而言，很难
想象ee"更"接近
ps，离散数学和Analysis，Algebra，Geometry，Stochastics算是对数学的两种不同的
分类方式 |
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j*******r
发帖数: 20 | 16 这些东西cs里研究的都不少，哪能全算在ee的头上？
那我就再来说点儿别的
Algorithms: 广义地讲，啥东西都是算法，这就没劲了。就说经典的问题，Algebra少
不了。要精细分析复杂度，
Functional Analysis也是常用的
Crypto: Algebraic Geometry, Galois Theory, Stochastic
Graphics: Differential Geometry
Security&Verification: Model Theory, Category Theory
Complexity: Logic, Model Theory, 至于最近的derandomization, imapproximation,
pcp theorem什么的，我都不知
道应该归再哪儿，就算是独立的吧，呵呵 |
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b***2
发帖数: 5 | 17 【 以下文字转载自 ME 讨论区 】
发信人: byu42 (william), 信区: ME
标 题: call for PhD student
关键字: 博士,招生,机械
发信站: BBS 未名空间站 (Tue Mar 1 11:44:16 2011, 美东)
Call for Ph.D. Student
Position: Ph.D. student (research assistant) in mechanical engineering.
University: Tennessee Technological University, Cookeville, Tennessee, USA
Advisor: Kwun-lon Ting (ASME fellow) http://www2.tntech.edu/me/Faculty_Bios/ktingbio.html
Financial aid: Research assistant ship starting $1300/month (renewable
annually) plus all... 阅读全帖 |
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x*****d
发帖数: 427 | 18 继续双曲几何的话题。 顺便说一下， 历史上所谓的非欧几何其实就是
双曲几何。 当初Gauss, Lobatsevski, Bolye(是不是这么写的？）都是
从公理化的角度发明了非欧几何， 后来Poincare找到了一个现实模型，
就是单位圆盘， 里面的“直线”其实是与圆盘边界垂直的圆弧。 这些圆弧
在接近圆盘边界的时候非欧长度单位急剧缩小， 导致这些圆弧其实有
无限的非欧长度。 这个模型实现了公理化非欧几何。
但是在黎曼的框架里， 这个非欧几何的模型只是常曲率空间形式里面的
一种： 常负曲率的空间形式。 所以非欧几何作为一种微分几何， 是
黎曼几何的一个特殊例子。 这个例子很特殊， 因为常负曲率的黎曼流形
有很多， 它们都以非欧几何为模型（空间形式）， 严格地说它们是被
非欧空间多重覆盖了。
所以想了解非欧几何的同学也不用去找数学史， 图书馆里任何一本比较
薄的冠名“non-Euclidean Geometry" 或者"Hyperbolic Geometry"的，
都可以帮助你了解。
（待续） |
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x****t
发帖数: 34 | 19 看了waterloo上面说
包括4大分支: algebra, analysis, topology, geometry
这个分类对么？
好像我还看过把 topology跟geometry放一起的分类
不知哪个对？ |
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w*********n
发帖数: 126 | 20 请行家确认下消息的真实性和这个新发现的意义，呵呵。
Medieval Muslims credited for amazing math inventions
2/24/2007 6:30:00 PM GMT
Medieval Islamic architecture presages 20th century mathematics
Peter Lu finds advanced geometry in 15th century tilings
By David Baron
FAS Communications
http://www.news.harvard.edu/gazette/2007/03.01/99-tiles.html
Intricate decorative tilework found in medieval architecture across the
Islamic world appears to exhibit advanced decagonal quasicrystal geometry -
a concept discovered by Western |
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m********k
发帖数: 25 | 21 In fact, there are a lot of topics in model numerical analysis and
computational mathematics that use a great deal of algebra, geometry, or
topology.
You might want to combine your experience in numerics with your interests in
geometry. |
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l*8
发帖数: 37 | 22 你说得对，我是这样想的。
In fact, there are a lot of topics in model numerical analysis and
computational mathematics that use a great deal of algebra, geometry, or
topology.
You might want to combine your experience in numerics with your interests in
geometry. |
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h******y
发帖数: 26 | 23
确实如此。
不同的侧重点。物理系在半年的condensed matter physics后还有一年的理论课， 主
要讲场论的应用。
这个不知道EE的怎么讲， 不过一般物理系讲一年的EM。
我听过graduate level的数学课， 感觉分析基本上可以自学。难度上
analysis < geometry < algebraic topology < algebra <<<<< algebraic geometry.
最后一个基本啃不动习题。 |
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p****o
发帖数: 13 | 24 It's about the relative point of view. Look at GRRH. Look at etale topology.
Look at non-commutative geometry. A thing is best understood by its
relations with other things. What is "space"? What is "topology"? Geometry
and Algebra are dual to each other. Topology is manifested through the
consideration of coverings.
"Spec" was actually given by kronecker many years ago in a seminar but at
that time all listeners thought he was crazy because of the lack of
applications... It took Grothendieck, S |
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m******0
发帖数: 33 | 25 weyl conjecture,mordel conjecture, Milnor conjecture说明玄学还是有价值的啊
。不是太玄，是不够玄，我们要更玄,现在的什么非交换代数几何，homotopical
algebraic geometry，都没有脱离Grothendieck的思想，没有新的突破，derived
algebraic geometry是一场革新，新观念的引入才能 help solving old unsolved
problems，
Dennis Gaitsgory,Kevin Costello，Mike Hopkins这样的牛人，最近的工作也要受
Jacob Lurie 工作的启发。
some |
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m****n
发帖数: 142 | 26
还是没有回答问题嘛－－－到底derived algebraic geometry 是已经解决了一些长久
以来用别的方法都
解决不了的问题呢？如果是，请列举是什么问题。
还是目前只是期待它解决。
当年老毛子VLADIMIR VOEVODSKY 的东西也极度抽象，但是解决了 Milnor conjecture,
现
在derived algebraic geometry 解决了这种级别的问题没有？这个才是要问的问题。 |
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m****n
发帖数: 142 | 27 "rewriting the Grothendieck theory of algebraic geometry, using ∞-
category" ?? 这个是谁给出的评价？人名？出处？
“obvious importance”-----请具体解释一下，derived algebraic geometry 的
motivation? 用处？这个理论到底重要在哪里？为什么它的重要性是obvious的？
不要来虚的语言，讲有多么多么重要，Lurie有多么多么牛，他很牛我们知道，呵呵。来点儿干货，解释清楚一点，具体
一点。
谢谢！
theory |
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m******0
发帖数: 33 | 28 Masterclass with Jacob Lurie:
Elliptic Cohomology and Derived Algebraic Geometry
The Strategic University Program in Pure Mathematics (Suprema) at the
Department of Mathematics, University of Oslo, organizes a Masterclass with
Jacob Lurie in August-September 2006, on Elliptic Cohomology and Derived
Algebraic Geometry. Lurie holds the 2004 American Institute of Mathematics
Five-Year Fellowship, and works at Harvard University.
The masterclass will consist of a series of introductory lectures over |
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m******0
发帖数: 33 | 29 Masterclass with Jacob Lurie:
Elliptic Cohomology and Derived Algebraic Geometry
The Strategic University Program in Pure Mathematics (Suprema) at the
Department of Mathematics, University of Oslo, organizes a Masterclass with
Jacob Lurie in August-September 2006, on Elliptic Cohomology and Derived
Algebraic Geometry. Lurie holds the 2004 American Institute of Mathematics
Five-Year Fellowship, and works at Harvard University.
The masterclass will consist of a series of introductory lectures over |
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k********0
发帖数: 126 | 30 Lin Chen
Office: Room 5104, Math Building
Simons Center for Geometry and Physics, State University of New York
Stony Brook, NY 11794 USA
Email: c*****[email protected]
I am a math postdoc in the Simons Center for Geometry and Physics at Stony
Brook University. My research interest contains the following area: Gromov-
Witten invarants, knots invariants, and number theory. Currently, I am
working on:
1.
Matrix model, Weil-Peterson volume;
2.
Knot homology;
3.
Special val |
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s*******n
发帖数: 740 | 31 No need to take courses in undergraduate-level number theory. You can learn
it on your own.
Be sure to take a topology class.
The important courses in my opinion:
Real analysis (basic analysis, measure theory, functional analysis, fourier
analysis)
Complex analysis
Abstract algebra
PDE
ODE
Probability (calculus-based is enough)
Point-set topology and basic algebraic topology
classical differential geometry
differentiable manifolds (advanced differential geometry)
If you are going to do econ, you |
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S*****n
发帖数: 44 | 32 大师走好。。。
Vladimir Igorevich Arnold, an outstanding mathematician of the 20th
century, died on June 3, 2010, a few days short of his 73rd birthday. His
work ranged over a wide swath of mathematics, including dynamical systems,
singularity theory, real algebraic geometry, symplectic geometry,
mechanics, and hydrodynamics. In Arnold's vision, these were not separate
fields but were all united by common questions arising from the physical
world--questions to be attacked with a wide range of methods f |
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a*********3
发帖数: 660 | 33 定义 definition变量 variable面积 area直径 diameter半径 radius公式 formula
单价 unit price范围 range/scope/extent集合 set法则 principle本金 principal利
率 interest rate利息 interest单利 simple interest复利 compound interest正数
positive number负数 negative number解析式 analytic expression分类讨论
classified discussion性质 nature （不是很确定）奇函数 odd function偶函数
even function对称 symmetric坐标原点 origin单调性 monotonicity（不是很确定）
任意 random周期性 periodic 有界性 boundedness 数学 mathematics, maths(BrE)
, math(AmE) 公理 axiom 定理 theorem 计算 calculation 运算 operat... 阅读全帖 |
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x********i
发帖数: 905 | 34 发现98年liukefeng获奖的时候太水了：
Professor Liu was awarded the 1998 Morningside Silver Medal of Mathematics
for his achievements in topology, geometry, and mathematical physics. He is
a Professor of Mathematics at University of California at Los Angeles, and a
Guangbiao Chair Professor of Mathematics at Zhejiang University.
别人都是具体的在某方面做了什么工作，只有他的是achievements in topology,
geometry, and mathematical physics，到底那个时候他有什么achievement？ |
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G********n
发帖数: 615 | 35 The Abel Prize awarded to John Milnor, Stony Brook University, NY
The Norwegian Academy of Science and Letters has decided to award the Abel Prize for 2011 to John Milnor, Institute for Mathematical Sciences, Stony Brook University, New York "for pioneering discoveries in topology, geometry and algebra". The President of the Norwegian Academy of Science and Letters, Øyvind Østerud, announced the winner of this year's
Abel Prize at the Academy in Oslo today, 23 March.
John Milnor will r... 阅读全帖 |
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w**a
发帖数: 1024 | 36 YAU 什么时候得这个奖啊 期待。。。
Prize for 2011 to John Milnor, Institute for Mathematical Sciences, Stony
Brook University, New York "for pioneering discoveries in topology, geometry
and algebra". The President of the Norwegian Academy of Science and Letters
, Øyvind Østerud, announced the winner of this year's
of extraordinary depth and influence to the mathematical sciences and has
been awarded annually since 2003. It carries a cash award of NOK 6,000,000 (
close to EUR 750,000 or USD 1 mill.)
... 阅读全帖 |
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l********e
发帖数: 3632 | 37 我的理解是
pde和geometry有联系，比如geometric analysis。
geometry显然和topology密不可分
因此通过几何，他们就联系起来了。 |
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g*******n
发帖数: 644 | 38 The 2012 SASTRA Ramanujan Prize will be awarded to Professor Zhiwei Yun,
who has just completed a C. L. E. Moore Instructorship at the Massachusetts
Institute of Technology and will be taking up a faculty position at
Stanford
University in California this fall. The SASTRA Ramanujan Prize was
established
in 2005 and is awarded annually for outstanding contributions by very young
mathematicians to areas influenced by the genius Srinivasa Ramanujan. The
age limit for the prize has been set at 32 be... 阅读全帖 |
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B****n
发帖数: 11290 | 39 I did not learn some of the following courses myself, so I am not very good
at math.
But from the paper you provided, the following courses should cover enough
background for you to understand the it.
algebraic topology (before that, it's better to learn some general topology
or called set-point topology)
Riemannian geometry (before that, it's better to learn some basic
differential geometry on curves and surfaces) |
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E*****T
发帖数: 1193 | 40 在我看来，你应该先把Whitney的文章看了，把在欧式空间的情况看懂，知道这到底是
一个什么问题。（只需要欧式空间中曲线的知识）
然后扩展到一般流形上，我比较肯定的是：不需要看differential geometry或者
Riemannian geometry，看一点一般geometric topology或者differential topology书
中关于manifolds的一点点介绍，一般就在预备知识里，这就足够了。我不肯定的：我
认为不需要看algebraic topology,一般topology书中探讨的homology和cohomology对
你的这篇文章没太大用（知道homology group的概念就行了），你要了解的是homotopy
中的很多概念（譬如反复出现的homotopy equivalence).我不知道是不是应该读
homotopy theory之类的书。
最后，零拓扑几何基础想读这篇文章可能比较困难，同LS建议你硬读，然后找一个指导
者能随时回答你的问题。 |
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w**********5
发帖数: 1741 | 41 送交者: 摘星子 2005年11月22日18:29:05 于 [教育与学术]http://www.bbsland.com
（一）
前几天又见到了俺师傅.
师傅瘦了,眼睛上带着黑圈,显得憔悴,苍老,虽然目光还是那么有神,唉, 这文革
闹得.
不过那天,望着他老人家慈祥的目光,俺突然开了窍, 耳边响起师傅宏亮的声音:"中华
数学的大难,便是缺乏领袖人物!"嘿嘿,意在斯人乎, 意在斯人乎!小子何敢让也!
各位要怪俺说笑话了,嘿嘿,笑话也要有点根据不是?宝刀屠龙,武林至尊,倚天不出,
谁与争锋?不是不出,时机未到嘛.
各位听俺讲段故事.
几年前的一天在北京,俺田师弟,李师弟,做数论的张老弟,和做分析的林老兄这四位都
在,酒过三巡,俺心念一动,抱膝指四人曰:"公等做数学,可做至刺史,郡守." 这四个
家伙跳起来喝道:"那你呢?"俺但笑而不答.
李师弟的脑子最快,叫道:"侬这只星子,阿是要摆空城计寻开心..."
话音未落,突然窗外响声大作,抬头望去,只见云气缭绕,电闪雷鸣.俺说:"此天外飞龙
也,平时难得一见,不想今日有缘.公等亦知龙之变化乎?"
四人哈哈笑道:"这星子最好故作玄虚,你且道来."
... 阅读全帖 |
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l***o
发帖数: 7937 | 42 http://www.scmp.com/lifestyle/technology/article/1256542/zhang-
No mathematician should ever allow himself to forget that mathematics, more
than any art or science, is a young man's game," the British mathematician G
.H. Hardy wrote in A Mathematician's Apology. But the older guys are now
catching up.
Since Hardy wrote those lines in 1940, it has been conventional wisdom that
mathematical breakthroughs are most often made in a moment of brilliance by
a born genius at a young age, rather than an ... 阅读全帖 |
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p******e
发帖数: 1151 | 43 Metric geometry is not really "soft"---comparison geometry is the key for
Ricci flow in Perelman's approach indeed, at least for the most conceptual
part. Also it plays an essential role in Cheeger-Colding theory and it has
tremendous applications...no one would call that is "soft"
I believe that is somehow why Hamilton did not crack the main obstacle in
Ricci flow towards the solution of 3-manifolds theory; he is not really
geometric enough and missed some essential points. He is definitely a t... 阅读全帖 |
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L*****s
发帖数: 6046 | 44 希尔伯特
李文林
(中国科学院数学研究所)
希尔伯特，D．(Hilbert，David)1862年1月23日生于德国柯尼斯堡；1943年2月14
日卒于格丁根．数学．
希尔伯特出身于东普鲁士的一个中产家庭．祖父大卫·菲尔赫哥特·勒贝雷希特·
希尔伯特(David Fürchtegott LeberechtHilbert)和父亲奥托·希尔伯特(Otto
Hilbert)都是法官，祖父还获有“枢密顾问”头衔．母亲玛丽亚·特尔思·埃尔特曼(
Ma-ria Therse Erdtmann)是商人的女儿，颇具哲学、数学和天文学素养．希尔伯特幼
年受到母亲的教育、启蒙，八岁正式上学，入皇家腓特烈预科学校．这是一所有名的私
立学校，E．康德(Kant)曾就读于此．不过该校教育偏重文科，希尔伯特从小喜爱数学
，因此在最后一学期转到了更适合他的威廉预科学校．在那里，希尔伯特的成绩一跃而
上，各门皆优，数学则获最高分“超”．老师在毕业评语中写道：“该生对数学表现出
强烈兴趣，而且理解深刻，他用非常好的方法掌握了老师讲授的内容，并能有把握地、
灵活地应用它们．”
1880年秋，希尔伯特进柯尼斯堡大学攻读数学... 阅读全帖 |
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g****a
发帖数: 1520 | 45 【 以下文字转载自 WaterWorld 讨论区 】
发信人: xiaoshushu (songshu), 信区: WaterWorld
标 题: 关于近期Fano流形上构造KE度量的工作(转载)
发信站: BBS 未名空间站 (Sat Aug 31 10:30:12 2013, 美东)
关于近期Fano流形上构造Kähler-Einstein度量的工作
最近公布的Fano流形上构造Kähler-Einstein度量的工作，是Kähler几
何近年来引人注目的进展，专家们正在验证。若验查无误，将证明丘成桐关于Fano流形
的构想与猜测是正确的。Donaldson的稳定性条件是其中的关键步骤，还需在代数几何
上把此概念搞清楚，这样丘猜测就为深刻理解Fano流形奠定了基础。由于近期发生了一
些混淆不清的事件，我们将相关工作的公开记录做了客观、学术的分析，望有助于澄清
事实。本文主要涉及文献的比较，阅读本文无需是专家，数学专业本科高年级学生或研
究生可读懂绝大部分。欢迎关于数学上的批评与指正。
本文分三个部分：
1) 陈-Don... 阅读全帖 |
|
g****a
发帖数: 1520 | 46 【 以下文字转载自 WaterWorld 讨论区 】
发信人: xiaoshushu (songshu), 信区: WaterWorld
标 题: 关于近期Fano流形上构造KE度量的工作(转载)
发信站: BBS 未名空间站 (Sat Aug 31 10:30:12 2013, 美东)
关于近期Fano流形上构造Kähler-Einstein度量的工作
最近公布的Fano流形上构造Kähler-Einstein度量的工作，是Kähler几
何近年来引人注目的进展，专家们正在验证。若验查无误，将证明丘成桐关于Fano流形
的构想与猜测是正确的。Donaldson的稳定性条件是其中的关键步骤，还需在代数几何
上把此概念搞清楚，这样丘猜测就为深刻理解Fano流形奠定了基础。由于近期发生了一
些混淆不清的事件，我们将相关工作的公开记录做了客观、学术的分析，望有助于澄清
事实。本文主要涉及文献的比较，阅读本文无需是专家，数学专业本科高年级学生或研
究生可读懂绝大部分。欢迎关于数学上的批评与指正。
本文分三个部分：
1) 陈-Don... 阅读全帖 |
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m****t
发帖数: 570 | 47 http://nautil.us/issue/5/fame/the-twin-prime-hero
The Twin Prime Hero
–Rags, riches, and fame in mathematics
MICHAEL SEGAL
Yitang “Tom” Zhang spent the seven years following the completion of his
Ph.D. in mathematics floating between Kentucky and Queens, working for a
chain of Subway restaurants, and doing odd accounting work. Now he is on a
lecture tour that includes stops at Harvard, Columbia, Caltech, and
Princeton, is fielding multiple professorship offers, and spends two hours a
day d... 阅读全帖 |
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a*****g
发帖数: 19398 | 50 December 18, 2013
By VIKAS BAJAJ
http://www.nytimes.com/2013/12/18/opinion/q-a-with-liping-ma.ht
Liping Ma, a former teacher and principal in China, has written extensively
about the differences between how the United States and China teach math to
elementary school students. After earning a doctorate in curriculum and
teacher education from Stanford University, she worked as a senior scholar
at the Carnegie Foundation for the Advancement of Teaching. In 1999, she
published “Knowing and Teaching... 阅读全帖 |
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