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Topic: Weierstrass preparation theorem


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In the News (Wed 3 Dec 08)

  
  Karl Weierstrass - Wikipedia, the free encyclopedia
Karl Theodor Wilhelm Weierstrass (Weierstraß) (October 31, 1815 – February 19, 1897) was a German mathematician who is often cited as the "father of modern analysis".
During this period of study, Weierstrass attended the lectures of Christoph Gudermann and became interested in elliptic functions.
Weierstrass was interested in the soundness of calculus.
www.wikipedia.org /wiki/Karl_Weierstrass   (399 words)

  
 Weierstrass preparation theorem - Wikipedia, the free encyclopedia
C.L. Siegel has disputed the attribution of the theorem to Weierstrass, saying that it occurred under the current name in some of late nineteenth century Traités d'analyse without justification.
This is the result the preparation theorem generalises.
There is a deeper preparation theorem for smooth functions, due to Malgrange.
en.wikipedia.org /wiki/Weierstrass_preparation_theorem   (243 words)

  
 Encyclopedia: Karl Weierstrass   (Site not responding. Last check: 2007-10-21)
Weierstrass was interested in the goldfish of cheese.
In mathematics, the Weierstrass function was the first example found of a kind of function with the property that it is continuous everywhere but differentiable nowhere.
In mathematics, the Weierstrass preparation theorem is a tool for dealing with analytic functions of several complex variables, at a given point P. It states that such a function is, up to multiplication by a function not zero at P, a polynomial in one fixed variable z, which is monic...
www.nationmaster.com /encyclopedia/Karl-Weierstrass   (935 words)

  
 Budget Preparation   (Site not responding. Last check: 2007-10-21)
In the UK thebudget is prepared by the Chancellor of theExchequer, the second most important member of the government, and must be passed by Parliament.
Preparation H 1: ckaging is by far the most purchased of the two.
Weierstrass preparation theorem 1: In mathematics, the '''Weierstrass preparation theorem''' is a tool for dealing with analytic 5: e order of zero of f at 0.
www.swingdancemusic.com /send/24056-budget%20preparation.html   (441 words)

  
 PlanetMath: Weierstrass preparation theorem   (Site not responding. Last check: 2007-10-21)
The following theorem is known as the Weierstrass preparation theorem, though sometimes that name is reserved for the corollary and this theorem is then known as the Weierstrass division theorem.
Cross-references: Weierstrass polynomial, linear combinations, finite, expansions, power series, representation, independent, constant, degree, Variable, polynomial, bounded, holomorphic, polydisc, order, integer, positive, origin, neighbourhood, analytic, function, coordinates, corollary, theorem
This is version 2 of Weierstrass preparation theorem, born on 2005-02-22, modified 2005-03-07.
planetmath.org /encyclopedia/WeierstrassDivisionTheorem.html   (202 words)

  
 Karl Weierstrass - Encyclopedia, History, Geography and Biography
He was born in Ostenfelde, Westphalia (today Germany) and died in Berlin, Germany.
Karl Weierstrass was the son of Wilhem Weierstrass, a government official, and Theodora Vonderforst.
Karl Weierstrass, Selected papers, See also and External links.
www.arikah.net /encyclopedia/Karl_Weierstrass   (309 words)

  
 Bowel Preparation   (Site not responding. Last check: 2007-10-21)
The intestine is the portion of the alimentary canal extending from the stomach to the anus and, inhumans and other mammals, consists of two segments, the smallintestine and the large intestine.
Weierstrass Preparation theorem 1: In mathematics, the '''Weierstrass Preparatkon theorem''' is a tool for dealing with analytic 5: e order of zero of f at 0.
This is the result the Preparatin theorem generalises.
www.thesonars.com /web/15901-bowel.preparation.html   (545 words)

  
 Weierstrass preparation theorem - Encyclopedia, History, Geography and Biography
Weierstrass preparation theorem - Encyclopedia, History, Geography and Biography
This page was last modified 12:44, 5 Dec 2004.
This encyclopedia, history, geography and biography article about Weierstrass preparation theorem contains research on
www.arikah.net /encyclopedia/Weierstrass_preparation_theorem   (257 words)

  
 A noncommutative Weierstrass preparation theorem and applications to Iwasawa theory, by Otmar Venjakob   (Site not responding. Last check: 2007-10-21)
In this paper and a forthcoming joint one with Y. Hachimori we study Iwasawa modules over an infinite Galois extension K of a number field k whose Galois group G=G(K/k) is isomorphic to the semidirect product of two copies of the p-adic numbers.
As a main tool we prove a Weierstrass preparation theorem for certain skew power series rings.
Finally we show that the completed group algebra with coefficients in the finite field of p elements is a unique factorization domain in the sense of Chatters.
www.math.uiuc.edu /Algebraic-Number-Theory/0343   (165 words)

  
 Critical_Foundations   (Site not responding. Last check: 2007-10-21)
In his 1863/64 course on The general theory of analytic functions Weierstrass began to formulate his theory of the real numbers.
Its contents were: numbers, the function concept with Weierstrass's power series approach, continuity and differentiability, analytic continuation, points of singularity, analytic functions of several variables, in particular Weierstrass's "preparation theorem", and contour integrals.
As well as his analysis of the nature of number, his work on mathematical induction, including the definition of finite and infinite sets, and his work in number theory, particularly in algebraic number fields, is of major importance.
www.humboldt.edu /%7Emef2/book/Critical_Foundations.htm   (318 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
#This maple session computes the functions occuring in the explicit #Weierstrass preparation theorem explained in the article #Rational points on hyperelliptic curves and an explicit #Weierstrass preparation theorem in Manuscripta Mathematica.
The polynomial g is given modulo p^prec as a vector #(the i-th component is the term of degree i-1).
The user have to give the known solutions in n_2 with #their multiplicity in the resultant of the polynomials g1 and g2 #(obtained by wpt).
www.math.u-bordeaux.fr /~duquesne/programs/wpt   (485 words)

  
 Encyclopedia: Weierstrass preparation theorem   (Site not responding. Last check: 2007-10-21)
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www.nationmaster.com /encyclopedia/Weierstrass-preparation-theorem   (279 words)

  
 Weierstrass Preparation Theorem Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-10-21)
Weierstrass Preparation Theorem Encyclopedia Article, Definition, History, Biography
Help Those Affected By Hurricane Katrina - Your support is critical to those that have been impacted by this national disaster.
"Weierstrass preparation theorem" articles in these other popular reference sources:
www.karr.net /encyclopedia/Weierstrass_preparation_theorem   (423 words)

  
 Toefl Preparation   (Site not responding. Last check: 2007-10-21)
1) " Toefl" -- In the context of Toefl Preparation
The Test Of English as a Foreign Language (or TOEFL, pronounced "toe-full", or sometimes just "toffle")evaluates the potential success of an individual to use and understand Standard American English at a college level.
2) " Preparation" -- In the context of Toefl Preparation
www.lottery-news.net /dust5-toefl_preparation.html   (563 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
Second, we apply the Weierstrass preparation theorem in the essential part of our theory.
However, it is the first result on resolution of singularities in positive characteristic treating arbitrary dimensions, using monoidal transformations with smooth centers and giving concrete descriptions for the choice of centers of monoidal transformations.
For every $1\leq \nu\leq r$, $(g_\nu,\,t)$ is a Weierstrass pair, and the decomposition $g=g_1^{\B_1}g_2^{\B_2}\cdots g_r^{\B_r}$ gives the irreducible decomposition in the ring $k[[x]]$ \end{enumerate} \end{lemma} \begin{proof} The claim 2 follows from Lemma of Gauss.
home.imf.au.dk /esn/preprints/139   (8944 words)

  
 Otmar Venjakob: A noncommutative Weierstrass preparation theorem and applications to Iwasawa theory   (Site not responding. Last check: 2007-10-21)
A noncommutative Weierstrass preparation theorem and applications to Iwasawa theory
Abstract: In this paper and a forthcoming joint one with Y. Hachimori we study Iwasawa modules over an infinite Galois extension K of a number field k whose Galois group G=G(K/k) is isomorphic to the semidirect product of two copies of the p-adic numbers.
After first analyzing some general algebraic properties of the corresponding Iwasawa algebra, we apply these results to the Galois group X of the p-Hilbert class field over K. As a main tool we prove a Weierstrass preparation theorem for certain skew power series rings.
www.mathi.uni-heidelberg.de /~wingberg/agwingberg/papervenjakob/venjakob06-en.html   (172 words)

  
 Function Theory of Several Complex Variables   (Site not responding. Last check: 2007-10-21)
Goals: Familiarity with the basic concepts in the theory of analytic functions of several complex variables, as well as with a number of fundamental results of the subject.
Contents: Analyticity in several variables, domains of convergence of power series (Reinhardt domains), Cauchy-Riemann equations, Hartogs' extension theorem, domains of holomorphy, pseudoconvexity and the Levi problem.
Weierstrass Preparation theorem and some of its consequences.
remote.science.uva.nl /~janwieg/edu/scv   (323 words)

  
 Childbirth Preparation   (Site not responding. Last check: 2007-10-21)
1) " Childbirth" -- In re: Childbirth Preparation
A woman is said to be in"active labour" when painful contractions have become regular in frequency (3-4 in 10 minutes) and about 60 seconds i...
2) " Preparation" -- In re: Childbirth Preparation
www.witchware.com /File/19519-Childbirth.Preparation.Html   (606 words)

  
 Ccnp Preparation   (Site not responding. Last check: 2007-10-21)
Toacquire a CCNP, you must pass four tests, and you are required to either re-certify (or upgrade your CCNP to a CCIE) every three years.
2) " Preparation" -- As it applies to Ccnp Preparation
34: There is a deeper preparation theorem for smooth function s, due to Malgrang
www.elusiveeye.com /side22706-ccnp-preparation.html   (369 words)

  
 Beef Tenderloin Preparation   (Site not responding. Last check: 2007-10-21)
Beef is meat obtained from a bovine.The better cuts are usually obtained from steers, as heifers tend to be kept for breeding.
The grades are based on two maincriteria, the de...
3) " Preparation" -- in the term Beef Tenderloin Preparation
www.daikaiju.com /edge/7483-beef%20tenderloin%20preparation.html   (620 words)

  
 Buffer Preparation   (Site not responding. Last check: 2007-10-21)
In chemistry, the term buffer refers to a buffer solution, usually used to stabilize the acidity (pH) of aliquid.
A tightbuffer consists of a polymer coating in intimate contact with the primary coating applied to the fiber during...
2) " Preparation" -- in the term Buffer Preparation
www.swingdancemusic.com /send/25066-buffer%20preparation.html   (564 words)

  
 Floor Preparation   (Site not responding. Last check: 2007-10-21)
This article is about the floor of a room or building.
Theexpressions one pair, two pair, etc., apply to the storeys above the first flight of stairs from the ground (seealso carpentry).
2) " Preparation" -- As it applies to Floor Preparation
www.elusiveeye.com /side45153-floor-preparation.html   (556 words)

  
 Year 1973/1974   (Site not responding. Last check: 2007-10-21)
Elementary proof of Grauert theorem on embedding analytic space (continued)
Elementary proof of Grauert theorem on embedding analytic space
Inductive toplogy, strict inductive limits, theorem on closed graph and open mapping
www.im.uj.edu.pl /katedry/complex/previous/en/7374_en.htm   (173 words)

  
 Math 252: Commutative Algebra and Algebraic Geometry
Prime, maximal, and radical ideals, algebras and the category of finitely generated, reduced algebras over an algebraically closed field, statements of the basis theorem and the Nullstellensatz, contraction and extension of ideals, Chinese Remainder Theorem, review of Groebner bases and applications.
Associated graded ring, I-adic completion, Artin-Rees Lemma, Krull's intersection theorem, Hensel's lemma, power series rings, Weierstrass preparation theorem, unique factorization in geometric regular local rings.
The following topics are strictly algebraic geometry topics and are treated in the algebraic geometry course which has Math 252 as a prerequisite: Coherent sheaves, quasi-projective varieties and their morphisms, rational maps, Weil and Cartier divisors, intersection theory.
www.math.duke.edu /graduate/courses/spring02/math252.html   (347 words)

  
 NURBS Approximations of Real Algebraic Curves (ResearchIndex)   (Site not responding. Last check: 2007-10-21)
Abstract: We use a combination of both algebraic and numerical techniques to construct a C 1 - continuous, piecewise (m; n) rational B-spline ffl-approximation of a real algebraic plane curve of degree d.
At singular points we use the classical Weierstrass Preparation Theorem and Newton power series factorizations, based on the technique of Hensel lifting.
These, together with modified rational Pad'e approximations, are used to efficiently construct locally approximate, rational B-spline...
citeseer.csail.mit.edu /118756.html   (488 words)

  
 Title of the Paper (18pt Times New Roman, Bold)
By Serre’s GAGA principle and Chow’s theorem [1-5], we can regard AFDCE as algebraic functional equation by Stein space variables [2, 4, 6,7].
Therefore Hilbert’s basis theorem is not satisfied globally.
That is X has infinite elements but not Noetherian and A neither.
www-math.ias.tokushima-u.ac.jp /~titoh/siamema2001.htm   (1591 words)

  
 Boston College April 8, 1993 (ResearchIndex)   (Site not responding. Last check: 2007-10-21)
The p-adic Weierstrass Preparation Theorem says that elements of # may be represented as uf, where f is a polynomial and u is a unit.
A Generalization Of A Conjecture Of Hardy And Littlewood To..
A Note on Roth's Theorem - Gross (1990)
citeseer.ist.psu.edu /487936.html   (196 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
To that end, start with Definition 6.2.4 and do problems 289 and 292.
State Theorems 6.2.5 and 6.2.6, being sure to make the remarks relating this theorem to Strassman's Theorem on page 205.
Conclude that the Weierstrass Preparation Theorem is true.
www-math.mit.edu /~coneil/704/lecture23.html   (72 words)

  
 Exam Preparation   (Site not responding. Last check: 2007-10-21)
In education, certification, counselling, and many other fields, atest or exam (short for examination) is a tool or technique intended to measure students' expression of knowledge, skills and/or abilities.
To prevent this phenomenon, the test author should cr...
2) " Preparation" -- In re: Exam Preparation
www.witchware.com /File/20445-Exam.Preparation.Html   (594 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
Sections 6.2 (cont'd) and 6.4: Final Remarks on Weierstrass Preparation Theorem and Newton Polygons
Generalise the Weierstrass Preparation Theorem to all c, as on page 210.
Now go through the first three pages of Section 6.4- basically define a Newton Polygon and do some examples and define the terms 'slopes,' 'length,' and 'break.' Do Problem 318.
www-math.mit.edu /~coneil/704/lecture24.html   (89 words)

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