Results 121 to 130 of about 11,196 (309)
Nonexistence of solutions to systems of higher-order semilinear inequalities in cone-like domains
Electronic Journal of Differential Equations, 2002 In this paper, we obtain nonexistence results for global solutions to the system of higher-order semilinear partial differential inequalities $$displaylines{ frac{partial^k u_i}{partial t^k}-Delta (a_i (x,t) u_i (x,t)) geq t^{gamma_{i+1}}|x|^{sigma_{i+1}}
Abdallah El Hamidi, Gennady G. Laptev
doaj
FinTech and Environmental Sustainability: Evidence From Brazil
Sustainable Development, EarlyView.ABSTRACT This study explores the dynamic interplay between economic growth and environmental sustainability from a FinTech perspective, using Brazil as a case study. While FinTech's contribution to green transformation, sustainable finance, and resource efficiency has gained increasing attention, a notable lack of empirical research remains to assess ...
Kemal Eyuboglu, Umut Uzar
wiley +1 more source
Sustainable Development, EarlyView.ABSTRACT Although significant efforts have been made to prevent environmental degradation, the success of these initiatives has remained limited. The primary reason for this is environmental issues' complex and multidimensional nature. Economic, political, and social dynamics play a central role in shaping environmental problems, necessitating a ...
Umut Uzar
wiley +1 more source
Nonexistence of global solutions for fractional temporal Schrodinger equations and systems
Electronic Journal of Differential Equations, 2017 We, first, consider the nonlinear Schrodinger equation $$ i^\alpha {}_0^C D_t^\alpha u+\Delta u= \lambda |u|^p+\mu a(x)\cdot\nabla |u|^q, \quad t>0,\; x\in \mathbb{R}^N, $$ where 0q>1$, $u(t,x)$ is a complex-valued function, and $a: \mathbb{R}^N\to ...
Ibtehal Azman +3 more
doaj
Advanced Nonlinear StudiesWe consider nonlocal differential equations with convolution coefficients of the form−M(a*|u|q)(1)μ(t)u″(t)=λft,u(t), t∈(0,1), $$-M\left(\left(a {\ast} \vert u{\vert }^{q}\right)\left(1\right)\mu \left(t\right)\right){u}^{{\prime\prime}}\left(t\right ...
Goodrich Christopher S.
doaj +1 more source
Small Methods, EarlyView.Dilution‐controlled AF4 coupled with SAXS and, for the first time, SANS enables high‐resolution characterization of non‐spherical lipid nanoparticles. Enhanced scattering contrast and D2O‐based measurements resolve particle features down to ∼5 nm and reveal shape distributions.
Eva Bittrich +12 more
wiley +1 more source
Non-existence of solutions for a Timoshenko equations with weak dissipation [PDF]
Mathematica Moravica, 2018 In this paper, we consider the following Timoshenko equation utt + ( 2u ( M ((( ( u (( 2( ( u + ut = (u( q-1 u associated with initial and Dirichlet boundary conditions. We prove the non-existence of solutions with positive and negative initial energy.
Pişkin Erhan, Yüksekkaya Hazal
doaj
Nonexistence of self-similar singularities in ideal viscoelastic flows
, 2012 We prove the nonexistence of finite time self-similar singularities in an ideal viscoelastic flow in R^3. We exclude the occurrence of Leray-type self-similar singularities under suitable integrability conditions on velocity and deformation tensor ...
Anthony Suen
core
The Hénon-Lane-Emden system: a sharp nonexistence result
, 2017 We deal with very weak positive supersolutions to the Hénon-Lane-Emden system on neighborhoods of the origin.
Carioli, Andrea, MUSINA, Roberta
core +1 more source
steel research international, EarlyView.The high‐strain‐rate behavior of resistance spot‐welded DP800–DP1000 joints is investigated. Results show that microstructural gradients across BM–HAZ–FZ govern hardness, strain rate sensitivity, and failure modes. While strength increases with strain rate, energy absorption is controlled by ductility, with DP800–DP800 joints showing superior ...
Pankaj Shrivastava, Velaphi Msomi
wiley +1 more source