Search
Search Funnelback University
51 -
100 of
679
search results for `some B B` |u:www.dpmms.cam.ac.uk
Fully-matching results
-
ANALYSIS II (Michaelmas 2009): EXAMPLES 4 The questions are ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2009-2010/anII-09-4.pdf8 Dec 2009: 5. (i) Suppose that f : R2 R is such that D1f = f/x is continuous in some open ball around(a,b), and D2f = f/y exists at (a,b). ... 11. Show that there is a continuous square-root function on some neighbourhood of I in Mn;that is, show that there is an -
Why do we need the real numbers?
https://www.dpmms.cam.ac.uk/~wtg10/reals.html3 Sep 2003: What does that mean? Well, if f(x)=u and f(y)=v and z=axby for some a,b> 0 with ab=1 then f(z) ought to be close ... there must be some c between a and b such that f(c)=w. -
STATISTICAL MODELLING Part IIC / Michaelmas 2023Example Sheet 4 ...
https://www.dpmms.cam.ac.uk/study/II/StatisticalModelling/2023-2024/ExampleSheet4.pdf27 Nov 2023: ni=1. µ̂i =. ni=1. Yi. 2. Suppose that for some strictly increasing function f, we have. ... for some β that you should specify. (b) How can we estimate β from the data (Yi, xi)ni=1? -
ANALYSIS II—EXAMPLES 1 Mich. 2014 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2014-2015/14sheet1.pdf20 Oct 2014: 4. Let (fn) be a sequence of real-valued continuous functions on a closed, bounded interval [a,b], and. ... a) If Dn is the set of discontinuities of fn and D is the set of discontinuities of f, show that D n=1j=nDj.(b) Suppose that for some finite -
GEOMETRY AND GROUPS – Example Sheet 2TKC Lent 2010 ...
https://www.dpmms.cam.ac.uk/study/II/Geometry%2BGroups/2009-2010/Exercise2.pdf4 Feb 2010: J : z 7 az bcz d. for some complex numbers a, b, c, d with ad bc = 1. ... For which choices of a, b, c, d is this map J aninvolution, that is J 2 = I? -
GEOMETRY AND GROUPS – Example Sheet 2TKC Michaelmas 2006 ...
https://www.dpmms.cam.ac.uk/study/II/Geometry%2BGroups/2006-2007/Exercise2.pdf8 Nov 2006: J : z 7 az bcz d. for some complex numbers a, b, c, d with ad bc = 1. ... For which choices of a, b, c, d is this map J aninvolution, that is J 2 = I? -
ANALYSIS II—EXAMPLES 4 Mich. 2015 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2015-2016/15sheet4.pdf30 Nov 2015: for some constant Kand an open subset U of Rm containing a, |F(t,x) F(t,y)| K‖xy‖ for all t [0, 1],x,y U. ... for some K and all t [a,b], x,y BR(x0).We showed in lecture that for each t0 [a,b], there is a unique f C([a,b]; -
Geometric group theoryExample sheet 1 Lent 2023 Questions marked ...
https://www.dpmms.cam.ac.uk/files/study/III/GeometricGroupTheory/2022-2023/2023%20GGT%20Sheet%201.pdf16 Feb 2023: 5. Consider the (2,3)-Baumslag–Solitar group BS(2, 3) = 〈a,b | ba2b1a3〉. ... You may use the simplicial approximation theoremwithout proof.]. (b) By considering the preimage of the midpoint of I in the disc, provethat some term ai or bi of g is -
GEOMETRY AND GROUPS – Example Sheet 1TKC Lent 2010 ...
https://www.dpmms.cam.ac.uk/study/II/Geometry%2BGroups/2009-2010/Exercise1.pdf4 Feb 2010: Let u =(. ac. ), v =. (bd. )for some integers a, b, c, d with ad bc = 1. ... Show that every vector. v Z Z can be written as mu nv for some integers m and n. -
ANALYSIS II (Michaelmas 2010): EXAMPLES 3 The questions are ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2010-2011/anII_ex_2010_3.pdf19 Nov 2010: 5. (i) Suppose that f : R2 R is such that f/x is continuous in some open ball around (a,b),and f/y exists at (a,b). ... 11. Show that there is a continuous square-root function on some neighbourhood of I in Mn;that is, show that there is an open ball B(I; -
GEOMETRY AND GROUPS — Example Sheet 1TKC Michaelmas 2006 ...
https://www.dpmms.cam.ac.uk/study/II/Geometry%2BGroups/2006-2007/Exercise1.pdf8 Nov 2006: Let u =(. ac. ), v =. (bd. )for some integers a, b, c, d with ad bc = 1. ... Show that every vector. v Z Z can be written as mu nv for some integers m and n. -
ANALYSIS II—EXAMPLES 1 Mich. 2015 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2015-2016/15sheet1.pdf16 Oct 2015: 5. Let (fn) be a sequence of real-valued continuous functions on a closed, bounded interval [a,b], and. ... a) If Dn is the set of discontinuities of fn and D is the set of discontinuities of f, show that D n=1j=nDj.(b) Suppose that for some finite -
ANALYSIS II—EXAMPLES 3 Mich. 2018 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2018-2019/18sheet3.pdf13 Nov 2018: Eo = {x X : B(x) E for some > 0}. ... 8. Use the Contraction Mapping Theorem to show that the equation cos x = x has a unique real solution.Find this solution to some reasonable accuracy using a calculator (remember to -
ANALYSIS II—EXAMPLES 4 Mich. 2018 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2018-2019/18sheet4.pdf23 Nov 2018: Suppose thatsup. [a,b]BR(x0)‖F‖ R(b a)1 and that ‖F(t,x) F(t,y)‖ K‖x y‖ for some. ... 9. (Some useful properties of the operator norm). Recall that the operator norm on the. -
ANALYSIS II—EXAMPLES 3 Mich. 2015 Please email comments, corrections…
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2015-2016/15sheet3.pdf13 Nov 2015: Eo = {x X : B(x) E for some > 0}. ... 8. Use the Contraction Mapping Theorem to show that the equation cos x = x has a unique real solution.Find this solution to some reasonable accuracy using a calculator (remember to -
ANALYSIS II—EXAMPLES 3 Mich. 2014 The questions marked with ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2014-2015/14sheet3.pdf21 Nov 2014: Eo = {x X : B(x) E for some > 0}. ... and that. E = {x X : xn x for some sequence (xn) in E}. -
Metric and Topological Spaces Easter 2016 Example Sheet 2 ...
https://www.dpmms.cam.ac.uk/study/IB/MetricTopologicalSpaces/2015-2016/MetTop_2016_Ex2.pdf16 May 2016: 7. (a) If f : [0, 1] [0, 1] is continuous, show there is some x [0, 1] withf(x) = x. ... For eachinteger n > 1, show that there is some x [0, 1] with f(x) = f(x 1. -
1 Metric & Topological Spaces, sheet 2: (2006) 1. ...
https://www.dpmms.cam.ac.uk/study/IB/MetricTopologicalSpaces/2005-2006/2006sheet2.pdf4 May 2006: Prove in this case thata map f from the unit interval [0, 1] to B may be “lifted” to E: there is some g : [0, 1] Esuch that p g = f. ... c) From above, we know (x, P ) Cl(Γ) for some x X. -
Oscar Randal-Williams DPMMSCentre for Mathematical…
https://www.dpmms.cam.ac.uk/~or257/CV.pdf15 May 2024: O. Randal-Williams, Some phenomena in tautological rings of manifolds.Selecta Mathematica 24 (4) (2018) 3835-3873. ... Abelianisations of the mapping class groups of some highly-connected manifolds – Rice,Houston, 17th February 2014. -
ANALYSIS II—EXAMPLES 4 Mich. 2014 The questions marked with ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2014-2015/14sheet4revised.pdf27 Feb 2015: for some constant Kand an open subset U of Rm containing a, |F(t,x) F(t,y)| K‖xy‖ for all t [0, 1],x,y U. ... E is of the form (a,b), [a,b), (a,b] or [a,b] for some a,b with a b. -
Metric and Topological Spaces Easter 2015 Example Sheet 2 ...
https://www.dpmms.cam.ac.uk/study/IB/MetricTopologicalSpaces/2014-2015/MetTop_2015_Ex2.pdf31 Aug 2015: 7. (a) If f : [0, 1] [0, 1] is continuous, show there is some x [0, 1] withf(x) = x. ... For eachinteger n > 1, show that there is some x [0, 1] with f(x) = f(x 1. -
GEOMETRY AND GROUPS These notes are to remind you ...
https://www.dpmms.cam.ac.uk/~tkc10/GeometryandGroups/Appendix.pdf8 Oct 2006: GEOMETRY AND GROUPS. These notes are to remind you of the results from earlier courses that we will need at some pointin this course. ... d(xn, ) 0 as n. A subsequence of the sequence (xn) is given by taking only some of the terms in the sequence. -
1 Geometry & Groups, 2014 – Sheet 3 1. ...
https://www.dpmms.cam.ac.uk/study/II/Geometry%2BGroups/2013-2014/G+G-2014-Sheet3.pdf17 Feb 2014: iv) Identify the quotient space H2/〈A,B〉. [If you know some algebraictopology, prove directly that the quotient space has fundamental group afree group of rank 2.] If G′ is the ... Deduce that traces of all words in A and B and theirinverses (i.e. -
Ordinals and Ordinal Hierarchies
https://www.dpmms.cam.ac.uk/~wtg10/ordinals.html10 Sep 2002: It has complexity w. 2. if after the first move the game has complexity awb for some a,b. ... x. for some x in X, and the map x goes to t. -
Tensor products
https://www.dpmms.cam.ac.uk/~wtg10/tensors3.html14 May 2003: Just so that we don't have to keep writing the phrase considered as a function on B', let us invent some notation. ... i. ,w. i. ), for some unknown bilinear function f, determined the value of f(v,w). -
Percolation Abstracts
https://www.dpmms.cam.ac.uk/~rb812/abstracts.pdf23 Jul 2023: In this talk, we will discuss some prospecting on how to userotation invariance to obtain new information on the critical random cluster models on Z2. ... Howdoes the answer depend on A,B,C? What if there are more than two species, with some -
ON MODULAR UNITS A. J. Scholl Introduction. In [6], ...
https://www.dpmms.cam.ac.uk/~ajs1005/preprints/u.pdf29 Jan 2010: It isthen clear that for some non-zero invariant v Vq the mapping Φq,1 is given by. ... may be represented by some k GẐ, and then. σ : ZQDf Nf k 7 ZQDẐNf k. -
ANALYSIS II EXAMPLES 4 Michaelmas 2005 J. M. E. ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2005-2006/an05-4.pdf22 Nov 2005: only if U = Y V for some V open in (X,dX).(ii Show that A is closed in (Y,dY ) if and only if A = Y B for some B ... dy. dx= 2xy , with y = 1 when x = 0 ,. has a unique solution in some interval containing 0. In what interval can the differential -
ANALYSIS II EXAMPLES 4 Michaelmas 2004 J. M. E. ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2004-2005/an04-4.pdf21 May 2005: only if U = Y V for some V open in (X,dX).(ii Show that A is closed in (Y,dY ) if and only if A = Y B for some B ... dy. dx= 2xy , with y = 1 when x = 0 ,. has a unique solution in some interval containing 0. In what interval can the differential -
ANALYSIS II (Michaelmas 2010): EXAMPLES 4 The questions are ...
https://www.dpmms.cam.ac.uk/study/IB/AnalysisII/2010-2011/anII_ex_2010_4.pdf29 Nov 2010: Find this solution to some reasonable accuracy using a pocket calculator or thecalculator on your computer (remember to work in radians!), and justify the claimed accuracy ofyour approximation. ... norm. Show, however, that T is a contraction under the -
Extensions of motives and higher Chow groups A. J. ...
https://www.dpmms.cam.ac.uk/~ajs1005/preprints/chow.pdf29 Jan 2010: The second is to. construct some extensions of motives related to elements of higher Chow groups and to. ... as in 1 is probably known to some experts (see for example the penultimate paragraph of. -
ON SOME `-ADIC REPRESENTATIONS OF Gal(Q/Q)ATTACHED TO NONCONGRUENCE…
https://www.dpmms.cam.ac.uk/~ajs1005/preprints/galois-pre.pdf13 Oct 2006: ON SOME -ADIC REPRESENTATIONS OF Gal(Q/Q)ATTACHED TO NONCONGRUENCE SUBGROUPS. A. J. ... Therefore for some a, b Z, azHT b is asemisimple element of g with exactly 2 eigenvalues. -
TOPICS IN SET THEORY: Example Sheet 1 1 Department ...
https://www.dpmms.cam.ac.uk/study/III/2014-15/TopicsinSetTheory/TST%20Example%20Sheet%201%202014.pdf19 Dec 2014: by some real r ;(b) 20 < ω. ... Let a = min{| A |: A is an infinite maximalalmost disjoint family of subsets of ω}, b = min{| B |: B is unbounded in (ωω,)},and d = min{| D |: D is dominating in ( -
The Pleasures of Counting
https://www.dpmms.cam.ac.uk/~twk10/my-book.html17 Aug 1998: 10. Some classic algorithms 11. Some modern algorithms 12. Deeper matters. ... Sources, Appendix C. Some notations. 540 pp., 67 line diagrams, 170 exercises. -
The fundamental theorem of arithmetic not always true.
https://www.dpmms.cam.ac.uk/~wtg10/meta.fta.html11 May 2001: If, however, I can construct some other mathematical object (the model) with those properties for which the theorem is false, then it is clear that my proof cannot work. ... However, in any context in which the lemma applies there has to be some notion -
TOPICS IN SET THEORY: Example Sheet 3 1 Department ...
https://www.dpmms.cam.ac.uk/study/III/2014-15/TopicsinSetTheory/TST%20Example%20Sheet%203%202014.pdf19 Dec 2014: P(I) : Y X} for some Y P(I) ; otherwise F isnon-principal. ... Prove thatthe following are equivalent:. 5. (a) h is one-to-one on some club C of δ ;(b) h is strictly increasing on some club D of δ ;(c) -
Continuity and sequences I
https://www.dpmms.cam.ac.uk/~wtg10/easyanalysis3.html7 Aug 2002: some consequence of (ii) and (iii) without really knowing where it was going. ... Earlier we promised to choose b at some point. Clearly it should be chosen to be a. -
Families Intersecting on an Interval
https://www.dpmms.cam.ac.uk/~par31/preprints/intersections-abs.html23 Mar 2007: Fix some subset B of [n]. How large a family A of subsets of [n] can we find such that the intersection of any two sets in A contains a cyclic ... Chung, Graham, Frankl and Shearer have proved that, in the case where B is a block of length t, we can do -
Mich. 2023 ANALYSIS AND TOPOLOGY—EXAMPLES 4 PAR 1. Let ...
https://www.dpmms.cam.ac.uk/~par31/at/4.pdf21 Nov 2023: 10. Let f: R2 R and (a,b) R2. (a) Suppose that D1f exists and is continuous in some open ball around (a,b), and that. ... b) Suppose instead that D1f exists and is bounded on some open ball around (a,b), and. -
NUMBER FIELDS, LENT 2024 PÉTER P. VARJÚ Disclaimer,…
https://www.dpmms.cam.ac.uk/~pv270/NumberFields.pdf8 Mar 2024: a1α1. adαdq. for some a1,. ,ad Z. Proof. We take. q =(disc(α1,. , ... In what follows, we will exhibit asuitable α, but this requires some preparations. -
Mirror symmetry and the SYZ conjecture
https://www.dpmms.cam.ac.uk/~mg475/current.pdf16 Jul 2014: that the transition functions ψi ψ1j are in factaffine linear transformations v 7 Tv v0 for some T GL(Λ) andv0 V. ... This conjecture remains unproven other than some verystraightforward cases (abelian varieties, K3 surfaces).However, it has led to a -
Mich. 2023 ANALYSIS AND TOPOLOGY—EXAMPLES 1 PAR 1. Let ...
https://www.dpmms.cam.ac.uk/~par31/at/1.pdf12 Oct 2023: a, b], and suppose that fn converges pointwise to a continuous function f. ... Show that there is some subinterval [a, b] of [0, 1] with a < b on which (fn) is uniformly. -
Principal Ideal Domains and Factorization A principal ideal domain ...
https://www.dpmms.cam.ac.uk/~par31/notes/pid.pdf23 Mar 2009: As R is a PID we have (a, b) = d for some d R. ... So. i=1. (ai) = (b). 1. for some b R. So b (ak) for some k, and then. -
Integral elements in K-theory and products ofmodular curves A ...
https://www.dpmms.cam.ac.uk/~ajs1005/preprints/k1.pdf29 Jan 2010: Proof. We can assume that c = [Z′/k] for some integral closed subscheme Z′/k. ... 2.1.1. We recall some basic facts about modular curves (see [4] or [9]). -
Curriculum Vitae Ioannis KontoyiannisChurchill Professor of…
https://www.dpmms.cam.ac.uk/~ik355/cv.pdf17 May 2024: C93. “Combining information from different sources: Some surprising phenomena,” with B. ... C95. “Mutual information, synergy and some curious phenomena for simple channels,” with B. -
The Proof of the Subdivision Lemma Recall that if ...
https://www.dpmms.cam.ac.uk/~jar60/Subdivision.pdf21 Oct 2022: Using this, we complete the proof. Preliminaries. We start by fixing some notation. ... Thus, any simplexappearing in Br(Fn) is contained in some Vi. Since B. -
STABILIZERS OF IRREDUCIBLE COMPONENTS OF AFFINEDELIGNE–LUSZTIG…
https://www.dpmms.cam.ac.uk/~rz240/stabilizer.pdf25 Aug 2021: We refer to [VW11], [HP17], and[LT20] for some special cases of this result. ... If α = αv′ for some v′ {v}, then we define d(α,v) = d(v′). -
ON THE CONNECTED COMPONENTS OF AFFINE DELIGNE-LUSZTIG VARIETIES XUHUA …
https://www.dpmms.cam.ac.uk/~rz240/ADLV7.pdf22 Oct 2020: 2) If µ is noncentral, then. π0(X({µ},b)K) = π1(G)σΓ0. 0.3. Now we discuss some applications. ... Our first major step is to show that every point in X({µ},b) is connected to a point in Xw(b)for some σ-straight element w Adm({µ}). -
Ioannis KontoyiannisChurchill Professor of Mathematics of Information …
https://www.dpmms.cam.ac.uk/~ik355/web-list.pdf17 May 2024: C93. “Combining information from different sources: Some surprising phenomena,” with B. ... C95. “Mutual information, synergy and some curious phenomena for simple channels,” with B. -
Michaelmas Term 2023 T.A. Fisher Galois Theory: Example Sheet ...
https://www.dpmms.cam.ac.uk/~taf1000/galois_theory-23-4.pdf21 Nov 2023: 4. Let K be a field containing a primitive mth root of unity for some m > 1. ... Showthat f and g have the same splitting field if and only if b = cmar for some c Kand r N with gcd(r,m) = 1.
Refine your results
Date
- 78 2021
- 57 2020
- 47 Past year
- 40 2023
- 37 2008
- 36 2016
- 35 2019
- 33 2010
- 31 2014
- 28 2015
- 28 2012
- 27 2009
- 27 2007
- 27 2022
- 26 2018
- 24 2017
- 24 2013
- 23 Past 6 months
- 23 2024
- 22 2011
- 22 2005
- 22 2006
- 9 Past 3 months
- 9 2002
- 8 2003
- 7 2001
- 6 2004
- 2 Past week
- 2 Yesterday
- 2 Past fortnight
- 2 Past month
- 1 1998
- 1 2000
Search history
Recently clicked results
Recently clicked results
Your click history is empty.
Recent searches
Recent searches
Your search history is empty.