18,522 research outputs found

    Ernesto Galarza: Mentor and Friend

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    Presentation to the SJSU CLFSA\u27s 14th Annual Dr. Galarza Scholarship Symposium, September 16, 1998.https://scholarworks.sjsu.edu/josevilla_archive/1000/thumbnail.jp

    Lasting Legacy: Local activist Jose Villa was a driver for positive, lasting change

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    Published for local Metro Silicon Valley newspaper; authored by Gary Singh. August 1-7, 2018. Vol. 34 (21): 12.https://scholarworks.sjsu.edu/josevilla_archive/1001/thumbnail.jp

    The genus of the configuration spaces for Artin groups of affine type

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    Let (W,S)(W,S) be a Coxeter system, SS finite, and let GWG_{W} be the associated Artin group. One has configuration spaces Y, YW,Y,\ Y_{W}, where GW=π1(YW),G_{W}=\pi_1(Y_{W}), and a natural WW-covering fW: YYW.f_{W}:\ Y\to Y_{W}. The Schwarz genus g(fW)g(f_{W}) is a natural topological invariant to consider. In this paper we generalize this result by computing the Schwarz genus for a class of Artin groups, which includes the affine-type Artin groups. Let K=K(W,S)K=K(W,S) be the simplicial scheme of all subsets JSJ\subset S such that the parabolic group WJ W_J is finite. We introduce the class of groups for which dim(K)dim(K) equals the homological dimension of K,K, and we show that g(fW)g(f_{W}) is always the maximum possible for such class of groups. For affine Artin groups, such maximum reduces to the rank of the group. In general, it is given by dim(XW)+1,dim(X_{W})+1, where XWYW X_{ W}\subset Y_{ W} is a well-known CWCW-complex which has the same homotopy type as YW. Y_{ W}.Comment: To appear in Atti Accad. Naz. Lincei Rend. Lincei Mat. App

    Access to diagnosis and treatment of Chagas disease/infection in endemic and non-endemic countries in the XXI century.

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    In this article, Médicos Sin Fronteras (MSF) Spain faces the challenge of selecting, piecing together, and conveying in the clearest possible way, the main lessons learnt over the course of the last seven years in the world of medical care for Chagas disease. More than two thousand children under the age of 14 have been treated; the majority of whom come from rural Latin American areas with difficult access. It is based on these lessons learnt, through mistakes and successes, that MSF advocates that medical care for patients with Chagas disease be a reality, in a manner which is inclusive (not exclusive), integrated (with medical, psychological, social, and educational components), and in which the patient is actively followed. This must be a multi-disease approach with permanent quality controls in place based on primary health care (PHC). Rapid diagnostic tests and new medications should be available, as well as therapeutic plans and patient management (including side effects) with standardised flows for medical care for patients within PHC in relation to secondary and tertiary level, inclusive of epidemiological surveillance systems
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