11,286 research outputs found

    PHENOMENOLOGY TODAY: A GOOD TRAVEL MATE FOR ANALYTIC PHILOSOPHY?

    Get PDF
    On the basis of a short summary of phenomenological aims and methods, this essay describes the present state of relationships between phenomenology and analytic philosophy, pointing out the progress done in the last years on the way of their rapprochement, after a long time of reciprocal scorn and misunderstandings. In the way of a presentation of the Phenomenology Lab and Center’s present and future research program, it recalls some relevant chapters of past and present phenomenological research in Europe, and quite particularly in Italy. After discussing some aspects of contemporary debates in phenomenology and philosophy of mind, it attempts at establishing a convergent line of argument toward the assessment of an anti-reductive ontology of concreteness, or the life world

    Existence and Spectral Theory for Weak Solutions of Neumann and Dirichlet Problems for Linear Degenerate Elliptic Operators with Rough Coefficients

    Full text link
    In this paper we study existence and spectral properties for weak solutions of Neumann and Dirichlet problems associated to second order linear degenerate elliptic partial differential operators XX, with rough coefficients of the form X=div(P)+HR+SG+FX=-\text{div}(P\nabla )+{\bf HR}+{\bf S^\prime G} +F in a geometric homogeneous space setting where the n×nn\times n matrix function P=P(x)P=P(x) is allowed to degenerate. We give a maximum principle for weak solutions of Xu0Xu\leq 0 and follow this with a result describing a relationship between compact projection of the degenerate Sobolev space QH1,pQH^{1,p} into LqL^q and a Poincar\'e inequality with gain adapted to QQ

    Ultrasound-Guided Femoral and Sciatic Nerve Blocks for Repair of Tibia and Fibula Fractures in a Bennett's Wallaby (Macropus rufogriseus)

    Get PDF
    Locoregional anesthetic techniques may be a very useful tool for the anesthetic management of wallabies with injuries of the pelvic limbs and may help to prevent capture myopathies resulting from stress and systemic opioids’ administration. This report describes the use of ultrasound-guided femoral and sciatic nerve blocks in Bennett’s wallaby (Macropus rufogriseus) referred for orthopaedic surgery. Ultrasound-guided femoral and sciatic nerve blocks were attempted at the femoral triangle and proximal thigh level, respectively. Whilst the sciatic nerve could be easily visualised, the femoral nerve could not be readily identified. Only the sciatic nerve was therefore blocked with ropivacaine, and methadone was administered as rescue analgesic. The ultrasound images were stored and sent for external review. Anesthesia and recovery were uneventful and the wallaby was discharged two days postoperatively. At the time of writing, it is challenging to provide safe and effective analgesia to Macropods. Detailed knowledge of the anatomy of these species is at the basis of successful locoregional anesthesia. The development of novel analgesic techniques suitable for wallabies would represent an important step forward in this field and help the clinicians dealing with these species to improve their perianesthetic management

    Reaction-diffusion problems on time-dependent Riemannian manifolds: stability of periodic solutions

    Full text link
    We investigate the stability of time-periodic solutions of semilinear parabolic problems with Neumann boundary conditions. Such problems are posed on compact submanifolds evolving periodically in time. The discussion is based on the principal eigenvalue of periodic parabolic operators. The study is motivated by biological models on the effect of growth and curvature on patterns formation. The Ricci curvature plays an important role

    Nonexistence of stable solutions to quasilinear elliptic equations on Riemannian manifolds

    Full text link
    We prove nonexistence of nontrivial, possibly sign changing, stable solutions to a class of quasilinear elliptic equations with a potential on Riemannian manifolds, under suitable weighted volume growth conditions on geodesic balls
    corecore