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Editorial: Mechanisms of cell death in acute liver diseases and the pathobiology of sterile inflammation: The double-edged sword problem. [PDF]
Cutrin JC, Uroz CP.
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Comprehensive cardiometabolic rehabilitation program for childhood obesity. [PDF]
González Concha N +4 more
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A Telehealth-Adapted Dementia Caregiver Skills Training Intervention (TeleCARE): Single-Arm Pre-Post Intervention Study. [PDF]
O'Connor MK +8 more
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Risk-Resilience Feedback to Assure Critical Societal Functions. [PDF]
Chatterjee S +3 more
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Intention/Reflection (I/R) Practice Creates a Deeper APPE Connection for Student Pharmacists After COVID-19. [PDF]
Fierke KK, Lepp GA, Cernasev A.
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Center-Focus Problem for Discontinuous Planar Differential Equations
International Journal of Bifurcation and Chaos, 2003We study the center-focus problem as well as the number of limit cycles which bifurcate from a weak focus for several families of planar discontinuous ordinary differential equations. Our computations of the return map near the critical point are performed with a new method based on a suitable decomposition of certain one-forms associated with the ...
Gasull, Armengol, Torregrosa, Joan
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Monodromy, center–focus and integrability problems for quasi-homogeneous polynomial systems
Nonlinear Analysis: Theory, Methods & Applications, 2010Among all quasi-homogeneous polynomial vector fields on the plane, the authors characterize which ones are monodromic (that is, admit a Poincaré first return map in a neighborhood of the origin). Among monodromic systems they give conditions that distinguish foci from centers. Finally, they characterize integrability of such systems.
Algaba, A. +3 more
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