Academic literature on the topic 'P-concavità'

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Journal articles on the topic "P-concavità"

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Gallo, Marco, and Marco Squassina. "Concavity and perturbed concavity for p-Laplace equations." Journal of Differential Equations 440 (September 2025): 113452. https://doi.org/10.1016/j.jde.2025.113452.

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Hou, Qing-hu, and Guojie Li. "Log-concavity of P-recursive sequences." Journal of Symbolic Computation 107 (November 2021): 251–68. http://dx.doi.org/10.1016/j.jsc.2021.03.004.

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Ahmia, Moussa, and Hacène Belbachir. "Preserving log-concavity for p,q-binomial coefficient." Discrete Mathematics, Algorithms and Applications 11, no. 02 (2019): 1950017. http://dx.doi.org/10.1142/s1793830919500174.

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We study the log-concavity of a sequence of [Formula: see text]-binomial coefficients located on a ray of the [Formula: see text]-Pascal triangle for certain directions, and we establish the preserving log-concavity of linear transformations associated to [Formula: see text]-Pascal triangle.
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Souleiman, F., I. Zderic, T. Pastor, et al. "INFLUENCE OF CARTILAGE LOSS ON SHOULDER INSTABILITY: A BIOMECHANICAL STUDY." Orthopaedic Proceedings 105-B, SUPP_8 (2023): 82. http://dx.doi.org/10.1302/1358-992x.2023.8.082.

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Glenohumeral joint injuries frequently result in shoulder instability. However, the biomechanical effect of cartilage loss on shoulder stability remains unknown. The aim of the current study was to investigate biomechanically the effect of two severity stages of cartilage loss in different dislocation directions on shoulder stability. Joint dislocation was provoked for 11 human cadaveric glenoids in seven different dislocation directions between 3 o'clock (anterior) to 9 o'clock (posterior) dislocation. Shoulder stability ratio (SSR) and concavity gradient were assessed in intact condition, an
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Arazy, Jonathan, and Pei-Kee Lin. "On p-convexity and q-concavity of unitary matrix spaces." Integral Equations and Operator Theory 8, no. 3 (1985): 295–313. http://dx.doi.org/10.1007/bf01202902.

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Ranieri, V. Marco, Haibo Zhang, Luciana Mascia, et al. "Pressure–Time Curve Predicts Minimally Injurious Ventilatory Strategy in an Isolated Rat Lung Model." Anesthesiology 93, no. 5 (2000): 1320–28. http://dx.doi.org/10.1097/00000542-200011000-00027.

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Background We tested the hypothesis that the pressure-time (P-t) curve during constant flow ventilation can be used to set a noninjurious ventilatory strategy. Methods In an isolated, nonperfused, lavaged model of acute lung injury, tidal volume and positive end-expiratory pressure were set to obtain: (1) a straight P-t curve (constant compliance, minimal stress); (2) a downward concavity in the P-t curve (increasing compliance, low volume stress); and (3) an upward concavity in the P-t curve (decreasing compliance, high volume stress). The P-t curve was fitted to: P = a. tb +c, where b descri
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Dodds, P. G., T. K. Dodds, and F. A. Sukochev. "On p-Convexity and q-Concavity in Non-Commutative Symmetric Spaces." Integral Equations and Operator Theory 78, no. 1 (2013): 91–114. http://dx.doi.org/10.1007/s00020-013-2082-0.

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Schmid, Annina B., Linda Dyer, Thomas Böni, Ulrike Held, and Florian Brunner. "Paraspinal Muscle Activity During Symmetrical and Asymmetrical Weight Training in Idiopathic Scoliosis." Journal of Sport Rehabilitation 19, no. 3 (2010): 315–27. http://dx.doi.org/10.1123/jsr.19.3.315.

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Context:Various studies report decreased muscle activation in the concavity of the curve in patients with scoliosis. Such decreased muscle-performance capacity could lead to sustained postural deficits.Objective:To investigate whether specific asymmetrical sports therapy exercises rather than symmetrical back strengthening can increase EMG amplitudes of paraspinal muscles in the concavity of the curve.Design:Cross-sectional.Setting:Laboratory.Participants:16 patients with idiopathic scoliosis.Interventions:Patients performed 4 back-strengthening exercises (front press, lat pull-down, roman cha
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Schliemann, Benedikt, Michael Raschke, Philipp Michel, et al. "It’s more than size that matters: The role of glenoid concavity in shoulder instability with anterior bone loss." Orthopaedic Journal of Sports Medicine 9, no. 7_suppl4 (2021): 2325967121S0019. http://dx.doi.org/10.1177/2325967121s00198.

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Objectives: The mechanism of concavity-compression is known to be a key factor for glenohumeral stability in the mid-range of motion. This stabilizing effect is impaired by traumatic bone loss at the anterior glenoid rim. Currently, a critical threshold based on the defect size is used as a decisive criterion for surgical treatment. However, recent studies using finite element method (FEM)-simulations indicate that glenoid concavity is essential for an assessment of remaining glenohumeral stability. To date, there is no biomechanical investigation involving glenoid concavity in combination wit
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Brzozowski, Michał. "Weighted exponential inequality for differentially subordinate martingales." Archiv der Mathematik 116, no. 6 (2021): 707–20. http://dx.doi.org/10.1007/s00013-021-01600-5.

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AbstractThe paper contains a study of weighted exponential inequalities for differentially subordinate martingales, under the assumption that the underlying weight satisfies Muckenhoupt’s condition $$A_{\infty }$$ A ∞ . The proof exploits certain functions enjoying appropriate size conditions and concavity. The martingales are adapted, uniformly integrable, and càdlàg - we do not assume any path-continuity restrictions. Because of this generality, we need to handle jump parts of processes which forces us to construct a Bellman function satisfying a stronger condition than local concavity. As a
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Dissertations / Theses on the topic "P-concavità"

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Rossi, Andrea. "Borell-Brascamp-Lieb inequalities: rigidity and stability." Doctoral thesis, 2018. http://hdl.handle.net/2158/1125503.

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La tesi è dedicata allo studio delle cosiddette disuguaglianze di Borell-Brascamp-Lieb, note in letteratura come forme funzionali della disuguaglianza di Brunn-Minkowski. L'intento della tesi è duplice: da una parte si prefigge come manuale dettagliato delle disuguaglianze di Borell-Brascamp-Lieb, affrontando varie estensioni e proprietà più o meno note in letteratura; in secondo luogo si concentra sulla questione della stabilità di tali disuguaglianze, cita
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Book chapters on the topic "P-concavità"

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Tararykova, T. V. "Inequalities with Sharp Constants for Operators Satisfying the Conditions of p-Convexity or p-Concavity Type." In Proceedings of the Second ISAAC Congress. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4613-0271-1_43.

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Conference papers on the topic "P-concavità"

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Tateno, Masayoshi, and Hiroki Morikawa. "Relationship Between Singularity Strength Factors and Practical Bonding Strength of Ceramic to Metal Joint." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25431.

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This study correlates the stress intensity factors (Kii, Kpaii), the order of the stress singularity p-1, and the practical bonding strength of ceramic to metal joints with arbitrary interface geometry. First, in order to describe the stress behavior of TiB2 to Ni joints bonded at 1173K, the stress singularity factors (Kii, Kpaii, p-1) were theoretically derived for wedge angles of φ1:30°<φ1<150°. Secondly, the dependences of the singularity factors on the wedge angle φ1 were compared with experimental results using the same wedge angles on TiB2 to Ni joints with interface convex
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Couton, D., M. Hoang-Hong, J. Robert, J. L. Tuhault, and S. Doan-Kim. "Experimental Study of Turbulent Local Enhanced Heat Transfer in Wavy-Wall Channel." In ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ht2007-32825.

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The aim of this study is to analyze the phenomena of heat transfer enhancement between two periodic sinusoidal walls for a single gas flow. The experimental set-up is characterized by a few geometrical parameters: amplitude of wall waviness (A); channel height (H); fin wavy-channel width (ω); fin period (l) and total wavy length (L). Combination of these ones is reduced to: the wall aspect ratio γ, the cross-section aspect ratio α and the channel spacing ratio ε. The Reynolds number defined on the hydraulic diameter and the bulk velocity is greater than 4000. A constant heat flux is maintained
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