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Publicacions matemàtiques 14 registres trobats  La cerca s'ha fet en 0.00 segons. 
1.
65 p, 334.2 KB Some topics concerning homeomorphic parameterizations / Semmes, Stephen
In this survey, we consider several questions pertaining to homeomorphisms, including criteria for their existence in certain circumstances, and obstructions to their existence.
2001 - 10.5565/PUBLMAT_45101_01
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 3-67  
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2.
9 p, 131.8 KB Proper holomorphic mappings between rigid polynomial domains in Cn+1 / Coupet, Bernard ; Ourimi, Nabil
We describe the branch locus of proper holomorphic mappings between rigid polynomial domains in Cn+1. It appears, in particular, that it is controlled only by the first domain. As an application, we prove that proper holomorphic self-mappings between such domains are biholomorphic.
2001 - 10.5565/PUBLMAT_45101_02
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 69-77  
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3.
16 p, 191.2 KB Smoothness of Cauchy Riemann maps for a class of real hypersurfaces / Gaussier, Hervé
We study the regularity problem for Cauchy Riemann maps between hypersurfaces in Cn. We prove that a continuous Cauchy Riemann map between two smooth C[infinity] pseudoconvex decoupled hypersurfaces of finite D'Angelo type is of class C[infinity].
2001 - 10.5565/PUBLMAT_45101_03
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 79-94  
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4.
29 p, 233.7 KB Nondegenerate linearizable centres of complex planar quadratic and symmetric cubic systems in C2 / Christopher, C. ; Rousseau, C.
In this paper we consider complex differential systems in the plane, which are linearizable in the neighborhood of a nondegenerate centre. We find necessary and sufficient conditions for linearizability for the class of complex quadratic systems and for the class of complex cubic systems symmetric with respect to a centre. [...]
2001 - 10.5565/PUBLMAT_45101_04
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 95-123  
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5.
24 p, 212.0 KB Spectre negatif d'un operateur elliptique avec des conditions au bords de Robin / Egorov, Yu. V. ; El Aidi, M.
In this article we discuss some estimates of the number of the negative eigenvalues and their moments of energy for an elliptic operator L = L0 - V(x) defined in Hm(Rn+) with the Robin boundary conditions containing a potential W(x), in terms of some integrals of V and W.
2001 - 10.5565/PUBLMAT_45101_05
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 125-148  
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6.
14 p, 193.7 KB Hausdorff measures and the Morse-Sard theorem / Moreira, Carlos Gustavo T. de A.
Let F : U [contained in] Rn --> Rm be a differentiable function and p < m an integer. If k [greater than or equal] 1 is an integer, [alpha] [member of] [0, 1] and F [member of] Ck+([alpha]), if we set Cp(F) = {x [member of] U $r ank(Df(x)) [less than or equal] p} then the Hausdorff measure of dimension [formula] of F(Cp(F)) is zero.
2001 - 10.5565/PUBLMAT_45101_06
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 149-162  
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7.
12 p, 147.7 KB A proof of the weak (1,1) inequality for singular integrals with non doubling measures based on a Calderón-Zygmund decomposition / Tolsa Domènech, Xavier (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
Given a doubling measure µ on Rd, it is a classical result of harmonic analysis that Calderón-Zygmund operators which are bounded in L2(µ) are also of weak type (1, 1). Recently it has been shown that the same result holds if one substitutes the doubling condition on µ by a mild growth condition on µ. [...]
2001 - 10.5565/PUBLMAT_45101_07
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 163-174  
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8.
24 p, 203.5 KB The Level function in rearrangement invariant spaces / Sinnamon, Gord
An exact expression for the down norm is given in terms of the level function on all rearrangement invariant spaces and a useful approximate expression is given for the down norm on all rearrangement invariant spaces whose upper Boyd index is not one.
2001 - 10.5565/PUBLMAT_45101_08
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 175-198  
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9.
19 p, 187.9 KB The Dirichlet problem for elliptic equations with drift terms / Kenig, Carlos E. ; Pipher, Jill
We establish absolute continuity of the elliptic measure associated to certain second order elliptic equations in either divergence or nondivergence form, with drift terms, under minimal smoothness assumptions on the coefficients.
2001 - 10.5565/PUBLMAT_45101_09
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 199-217  
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10.
4 p, 79.0 KB Perfect rings for which the converse of Schur's lemma holds / Haily, A. (Faculté des Sciences (El Jadida, Marroc). Département de Mathématiques et Informatique) ; Alaoui, M. (Faculté des Sciences (El Jadida, Marroc). Département de Mathématiques et Informatique)
If M is a simple module over a ring R then, by the Schur's lemma, the endomorphism ring of M is a division ring. However, the converse of this result does not hold in general, even when R is artinian. [...]
2001 - 10.5565/PUBLMAT_45101_10
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 219-222  
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11.
11 p, 137.8 KB On canonical homotopy operators for [delta] in Fock type spaces in Cn / Boo, Jörgen (Mid-Sweden University (Suècia). Department of Physics and Mathematics)
2001 - 10.5565/PUBLMAT_45101_11
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 223-233  
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12.
23 p, 230.5 KB Generalized interpolation in the unit ball / Marco, Nicolas
We study a generalized interpolation problem for the space H[infinity](B2) of bounded homomorphic functions in the ball B2. A sequence Z = {zn} of B2 is an interpolating sequence of order 1 if for all sequence of values wn satisfying conditions of order 1 (that is discrete derivatives in the pseudohyperbolic metric are bounded) there exists a function f [member of] H[infinity](B2) such that f(zn) = wn. [...]
2001 - 10.5565/PUBLMAT_45101_12
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 235-257  
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13.
6 p, 108.9 KB Bounding the orders of finite subgroups / Leary, Ian J. ; Nucinkis, Brita E. A.
We give homological conditionson groups such that whenever the conditions hold for a group G, there is a bound on the orders of finite subgroups of G. This extends a result of P. H. Kropholler. We also suggest a weaker condition under which the same conclusion might hold.
2001 - 10.5565/PUBLMAT_45101_13
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 259-264  
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14.
1 p, 24.9 KB Sumari
2001
Publicacions matemàtiques, V. 45 N. 1 (2001) , p. 264-264265  
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