article de presse anglais simple
Tài liệu Đề tài " Periodic simple groups of finitary linear transformations " doc
... classicalgroups of unbounded degree in which every nonidentity element has unbounded(natural) degree. The attendant stretching of elements and groups can be putto good use; see [30]. PERIODIC SIMPLE GROUPS ... G,the degrees of g in S are the degrees degQigNi, for those i ∈ I with g ∈ Gi.(2.11) Corollary ([13, Th. (3.3)]). A locally finite simple group G thathas a sectional cover in which the degrees ... sectional cover S the degree of every element g =1is unbounded. Inparticular, the degrees of S are unbounded.From the point of view of classification theory for locally finite simple groups, the...
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Etude des difficultés en expression orale des étudiants d’anglais apprenant le français comme deuxième langue étrangère à L’Institut Polytechnique de Hanoi
... faut, de toute faỗon, ộviter de corriger systộmatiquement lui-mờme des erreurs.- La dernière phase est destinée aux activités de prolongement pédagogiques selon des modalités diversifiées : des ... modalités diversifiées : des activités de pauses-grammaire, de rappel de la règle et d’élaboration de micro-dialogues de réemploi, des exercices de systématisation et de mémorisation dans le cas d’une ... d’application, de réemploi et de fixation des éléments nouveaux, exercices structuraux de substitution, de transformation, de complétion (production guidée)4. Exercices de transfert, d’exploitation, de...
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Tài liệu Đề tài " Two dimensional compact simple Riemannian manifolds are boundary distance rigid " doc
... state the de nition of vertical and horizontal derivatives forsemibasic tensor fields. We recommend Chapter 3 of [Sh] for more details.Let Trs(M) denote the bundle of tensor fields of degree ... distancerigid; that is, dgdetermines g uniquely up to an isometry which is the identityon the boundary. This is known for simple subspaces of Euclidean space (see[Gr]), simple subspaces of an ... geodesic γ(x, ξ, t), (x, ξ) ∈Ω(˙N) intersects the boundary ∂N transversally. Then the map φ, de ned by(4.1) is a fold with fold ∂0Ω(M).First we recall the de nition of a Whitney fold. De nition...
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Đề tài " Growth of the number of simple closed geodesics on hyperbolic surfaces " docx
... The type of a simple closed geodesic γ isdetermined by the topology of Sg,n(γ), the surface that we get by cutting Sg,nalong γ. We fix a simple closed geodesic γ on X and consider more generallythe ... geodesic laminationis a geodesic lamination that carries a transverse invariant measure. Namely,a compactly supported measured geodesic lamination λ ∈MLg,nconsists of a SIMPLE CLOSED GEODESICS ... number c()isindependent of the metric (Đ6).The frequency c() Q of a given simple closed curve can be described ina purely topological way as follows ([Mirz1]). For any connected simple closedcurve...
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Đề tài " Automorphism groups of finite dimensional simple algebras " pptx
... of G called the normalizer of S in G.ã Ideal means ‘two-sided ideal’. Simple algebra’ means algebra witha nonzero multiplication and without proper ideals. ‘Algebraic group’ means‘linear algebraic ... SL(U)-module de nedover k and let L be a nonzero trivial SL(U )-module de ned over k. Then(i) T(U )+contains a submodule de ned over k and k-isomorphic to M; 1046 NIKOLAI L. GORDEEV AND VLADIMIR ... DIMENSIONAL SIMPLE ALGEBRAS 1063 de ned over k.Now we remark that, according to what is already proved, as Nis a submodule of T(U )+ de ned over k, there is an injection N⊕m→ T(U)+ de ned over...
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Đề tài " Unique decomposition of tensor products of irreducible representations of simple algebraic groups " pot
... of two determinants,χλ(x)=|xai+r−ij||xr−ij|=SλD,where Sλdenotes the determinant appearing in the numerator and D thestandard Vandermonde determinant appearing in the denominator. ... zi. For any index i, letE(i)={j | λj= λi}.To show the linear independence, we have to show that for any index i,wehavej∈E(i)zj=0.Dividing bynl=1Sλlon both sides and equating, ... the characters can be expanded asVandermonde determinants and we have,Sà=i<j(xa+1i xa+1j)and S=i<j(xb+1i xb+1j).Thus we see that Sàdivides Sif (a +1)|(b + 1).It...
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Đề tài " (log t)2/3 law of the two dimensional asymmetric simple exclusion process " pdf
... ηx(t); η0(0)ρdenote the time dependent correlation functions in equilibrium with density ρ.The compressibilityχ = χ(ρ)=xηx; η0ρ=xSρ(x, t)is time independent and χ(ρ)=ρ(1 ... thesystem. The simplicity of the model has made it the default stochastic modelfor transport phenomena. Furthermore, it is also a basic component for models[5], [12] with incompressible Navier-Stokes ... the hard core conditionDenote by C = C(ρ) the space of νρ-mean-zero-cylinder functions. For afinite subset Λ of Zd, denote by ξΛthe mean zero cylinder function de ned byξΛ=x∈Λξx,ξx=ηx−...
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Đề tài " Isometric actions of simple Lie groups on pseudoRiemannian manifolds " potx
... generally needed to provide ergodic actions.In the work of [Joh] one can find a complete characterization of the semisimple 946 RAUL QUIROGA-BARRANCOThe following result can be considered as an ... satisfied and such result implies that H is semisimple, and so L = G ì His semisimple as well.In what follows, for every connected semisimple Lie group F we denotewith Fisthe minimal connected closed ... transforms the curvature and its covariant derivatives (up to a fixedorder) at x into those at y. Under our assumptions, this condition is satisfiedonly on a dense subset S of X. However, for an arbitrary...
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ÉTAT DES LIEUX DE L’APPRENTISSAGE DU FRANÇAIS EN EXPRESSION ORALE CHEZ LES ÉTUDIANTS D’ANGLAIS
... niveau des types de discours, de l’articulation des phrases, de l’organisation des idées et des stratégies). Les objectifs de l’enseignement de la compétence d’expression orale en classe de langue ... effet, lire et écrire demandent de recourir aux trois types de connaissances: des savoirs, des savoir-faire et des reconnaissances de situations ou de conditions. 42 texte de leurs prêches. Les ... l’appropriation de différents types de discours et de leur organisation en fonction des paramètres de la situation de communication. Les discours dépendent des relations entre les interlocuteurs, de leur...
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Báo cáo hóa học: " Research Article Some New Double Sequence Spaces Defined by Orlicz Function in n-Normed Space" docx
... ApplicationsVolume 2011, Article ID 592840, 9 pagesdoi:10.1155/2011/592840Research Article Some New Double Sequence Spaces De ned byOrlicz Function in n-Normed SpaceEkrem SavasáDepartment of Mathematics, ... ·, · denotes inner product. Let X, ·, ,· be an n-normed space of dimension d ≥n and {a1,a2, ,an} a linearly independent set in X. Then, the function ·, ·∞on Xn−1is de ned byx1,x2, ... coordinate vectors is bounded,” Canadian Journalof Mathematics. Journal Canadien de Math´ematiques, vol. 25, pp. 973–978, 1973.14 I. J. Maddox, “Sequence spaces de ned by a modulus,” Mathematical...
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Báo cáo hóa học: " Research Article Simple Statistical Analysis of the Impact of Some Nonidealities in Downstream VDSL with Linear Precoding" doc
... σ2N,(1)where σ2Nis the variance of the thermal noise (independentof k and n): a constant noise power spectral density equal to−140 dBm/Hz will be considered in the numerical examplesthroughout the ... in Signal ProcessingVolume 2010, Article ID 454871, 14 pagesdoi:10.1155/2010/454871Research Article Simple Statistical Analysis of the Impact of Some Nonidealities inDownstream VDSL with ... implementation [12]. However, simple analyticalexpressions would be very useful for design engineers tohave a first idea of the achievable performance and correctlyaddress the design without resorting...
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báo cáo hóa học:" Research Article Fixed Simplex Property for Retractable Complexes" ppt
... everysimplex of Knis mapped onto some simplex of Lm.For a simplex S {p0, ,pn}∈Knby ∂S : {{p0, ,pi, ,pn} : i ∈ In}⊂Knwe denote the boundary of a simplex S and denotation ... Knbe an i-simplex of a complex Kn. Then the i-simplex S is a single i-simplex if there exists exactly one i 1-simplex T ∈ Knsuch that S ⊂ T, i ∈ In−1; compare4, De nition 2.60 ... called an n-simplex de ned on the set V , and a nonempty familyKn⊂ PnV of n-simplices de ned on V is called an n-complex de ned on the set V .A complex generated by an n-simplex S is...
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Báo cáo hóa học: " Research Article A Simple Scheme for Constructing Fault-Tolerant Passwords from Biometric Data" doc
... 1–9, Philadelphia, Pa, USA,2001.[10] D. R. Stinson, “Universal hashing and authentication codes,”Designs, Codes and Cryptography, vol. 4, no. 3, pp. 369–380,1994.[11] H. L. Van Trees, Detection, ... block-by-block transformations. The key ideais the translation of the statistical dependence between thevectors of the same user into the statistical dependencebetween passwords assigned to the ... has tomake only the rejection decision for the vectors bthat de nitely cannot be considered as corrupted versions of theoriginal biometrical vector. The final decision for the vectorsthat...
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