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Articles, 2 registres trobats
Articles 2 registres trobats  
1.
31 p, 475.4 KB Geometric characterizations of p-Poincaré inequalities in the metric setting / Durand-Cartagena, Estibalitz (Universidad Nacional de Educación a Distancia (Espanya). ETSI Industriales) ; Jaramillo, Jesús A (Universidad Complutense de Madrid. Departamento de Análisis Matemático y Matemática Aplicada) ; Shanmugalingam, Nageswari (University of Cincinnati. Department of Mathematical Sciences)
We prove that a locally complete metric space endowed with a doubling measure satisfies an ∞-Poincar'e inequality if and only if given a null set, every two points can be joined by a quasiconvex curve which "almost avoids" that set. [...]
2016 - 10.5565/PUBLMAT_60116_04
Publicacions matemàtiques, Vol. 60 Núm. 1 (2016) , p. 81-111 (Survey)  
2.
28 p, 1.1 MB Condition measures and properties of the central trajectory of a linear program / Nunez, Manuel A. (Chapman University (Orange, Estats Units d'Amèrica). School of Business and Economics) ; Freund, Robert M. (Sloan School of Management)
Given a data instance d = (A, b, c) of a linear program, we show that certain properties of solutions along the central trajectory of the linear program are inherently related to the condition number C(d) of the data instance d = (A, b, c), where C(d) is a scale-invariant reciprocal of a closely-related measure (rho)(d) called the "distance to ill-posedness". [...]
1998
Mathematical Programming, vol. 83 n. 1 (1998) p. 1-28  
 Accés restringit a la UAB

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