Results 71 to 80 of about 2,358,486 (249)
Oscillation criteria for second order sublinear dynamic equations with oscillating coefficients
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Hong-Wu Wu +3 more
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New Interval Oscillation Criteria for Certain Linear Hamiltonian Systems [PDF]
Using a generalized Riccati transformation and the general integral means technique, some new interval oscillation criteria for the linear matrix Hamiltonian system U'=(A(t)-λ(t)I)U+B(t)V, V'=C(t)U+(μ(t)I-A*(t))V, t≥t0 are obtained.
Fanwei Meng, Jing Shao
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The mantis shrimp telson reveals how ridged biological shields control deformation under impact. Inspired by this architecture, telson‐inspired ridged curved shells transform ridge geometry and macroscopic curvature into bidirectional snap‐through, tunable stiffness, and enhanced hysteretic energy dissipation for multifunctional architected materials ...
Phani Saketh Dasika +5 more
wiley +1 more source
Kamenev-type oscillation criteria for delay difference equations
Some oscillation criteria are established by Raccati transformation techniques for the following second-order nonlinear neutral difference equation [GRAPHICS] which extend and include several oscillation criteria in [11], and also correct a theorem and ...
程金发, Cheng, Jinfa
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A geometry‐reconfigured additive manufacturing strategy converts planar printed soft materials into soft compact neural probes with integrated hydrogel electrodes and microfluidic channels. The resulting NeuroMAP platform enables scalable multichannel recording, localized chemical delivery, stable in vivo electrophysiological recording, and reduced ...
Hyunjin Lee +15 more
wiley +1 more source
Further oscillation criteria for partial difference equations with variable coefficients [PDF]
In this paper, some new oscillation criteria on the oscillation of first-order partial delay difference equations with non negative variable coefficients, which improve the recent ones under some additional conditions, are given.
ÖCALAN, ÖZKAN, KARPUZ, BAŞAK
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Oscillation Criteria for a Class of Functional Parabolic Equations [PDF]
The authors obtain sufficient conditions for oscillation of solutions of functional parabolic equations \[ \begin{multlined} {\partial\over\partial t}\Biggl(U(x, t)+ \sum^l_{i= 1} h_i(t)U(x,\rho_i(t))\Biggr)- a(t)\Delta U(x,t)- \sum^k_{i=1} b_i(t)\Delta U(x, \tau_i(t))-\\ c(x,t,(z_i[U](x,t))^M_{i= 1})= f(x,t),\quad (x,t)\in G\times (0,\infty),\end ...
Kusano, T., Yoshida, N.
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Oscillation of certain difference equations [PDF]
summary:Some new criteria for the oscillation of difference equations of the form \[ \Delta ^2 x_n - p_n \Delta x_{n-h} + q_n |x_{g_n}|^c \mathop {\mathrm sgn}x_{g_n} = 0 \] and \[ \Delta ^i x_n + p_n \Delta ^{i-1} x_{n-h} + q_n |x_{g_n}|^c \mathop ...
Grace, S. R., S. R. Grace
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XTRUDE: A Process‐Informed Framework for High‐Fidelity Analysis of Hydrogel Extrusion
Extrusion performance emerges from the interplay between material properties and processing conditions. XTRUDE (eXTrusion Rheology for Understanding and Defining Extrudability) recreates the extrusion environment with in situ pressure and temperature sensing, enabling characteristic pressure signatures to quantify extrusion‐specific phenomena and ...
Farhad Sanaei +4 more
wiley +1 more source
Kamenev-type oscillation criteria for second-order matrix differential systems
By employing the generalized Riccati technique and the integral averaging technique, new Kamenev-type oscillation criteria are established for a class of second-order matrix differential systems.
Wang, Qi-Ru, Zhu, Si-Ming, Wu, Xiao-Ming
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