Giles Smith, Andrew Robson, Carol Lewis, Leo Lewis Asia Correspondent, Jerry Beere, Liz Ralph, Neelam Verjee, David Brown, Alexander Shilling, Alexandra Frean, Andrew Edmond, Tim Albone, Martin Birchall, Frances Gibb Legal Editor, Gary Duncan, Nigel Harper, Paul Hoggart, James Rossiter Property Correspondent, Mark Souster, David Rose, Carla Ferstman, Ivo Tennant, Alexandra Frean Education Editor, Michael Evans Defence Editor, Philip Howard, Katie Scott, Hilary Finch, Camilla Cavendish, Christine Seib, James Bone, Clive Davis, Elizabeth Judge, Patrick Kidd, Will Pavia, David Charter Europe Correspondent, Wendy Ide, James Hider, Kevin Eason, Geoff Brown, Joe Joseph, Andrew Norfolk, Robin Pagnamenta, Leanne Macmillan, Roger Smith, William Hague, MP, Ben Webster Transport Correspondent, Pat Gibson, Valerie Elliott Countryside Editor, David McVay, W. Sowerby, Jane MacArtney, Valerie Elliott, Siobhan Kennedy, Deborah Haynes, Dominic Walsh, Steve Bird, Ruth Gledhill, Dan Sabbagh Media Editor, Tom Bawden, Debra Craine, Rory Watson, Gary Jacob, Ken Russell, Pat Stanley-Jones, Tim Reid, Rosemary Bennett, Jennifer Taylor, Ruth Gledhill Religion Correspondent, Dalya Alberge Arts Correspondent, Dan Sabbagh, Chris Riley, Tom Gatti, Richard Ford Home Correspondent, Stephen Farrell, David Sharrock Ireland Correspondent, John Mercer, James Delingpole, Carl Lewis, (AP), Charles Bremner, Ron Lewis, Helen Rumbelow, Tim Teeman, David Charter, Hugo Rifkind, Derwent May, James Mottram, Judy Moorhouse, Russell Kempson, Oliver Kay, Quentin Howard, Sarah Vine, Mark Henderson Science Editor, Michael Theodoulou, James Harding Business Editor, Patrick Hosking Banking and Finance Editor, John Westerby, Paul Martin, James Rossiter, Professor Karol Sikora, Ann Treneman, Simon de Bruxelles, John Hopkins Golf Correspondent, Rob Wright, Mark Hunter, Edward Gorman Motor Racing Correspondent, Gabriel Rozenberg, Neil Harman Tennis Correspondent, Raymond Keene, Luke Leitch, Adam Sage, Katie Jones, Christine Buckley, Matthew Pryor, Matt Hughes, Francis Elliott Chief Political Correspondent, Nigel Hawkes, Neville Scott, Burhan Wazir, Michael S. Bruce, Chris Campling, Richard Owen, Damian Whitworth, Fran Yeoman Political Reporter, Francesca Steele, Peter Dixon, Gabriel Rozenberg Economics Reporter, Nick Hasell, Tony Knifton, Shami Chakrabarti, Kevin Maher, Rosemary Bennett Social Affairs Correspondent, Julian Muscat, Paul Simons, Nick Szczepanik, Alan Dershowitz, Mary Ann Sieghart, Jonathan Clayton, Philip Webster Political Editor, Anthony Julius, Jane Shilling, Thomas Catán, Emily Ford, Matthew Parris, Graham Searjeant Financial Editor, Fay Weldon, George Caulkin, Sonia Verma, Michael Austin, Alan Lee, Peter Riddell, Tony Dawe, Carly Chynoweth, Philip Webster, David Sinclair, John Naish, Jamie Whyte, Martin Waller, Patrick Foster, Sarah Butler, Dr Thomas Stuttaford, Stephen Dalton, Nicola Woolcock, Neville Peel, Frances Gibb, Kate Allen, Clare Dight, Tom Porteous, Olav Bjortomt, Fiona Hamilton, Jan Raath, Nicola Copping, Fay Schopen, David Robertson, Bryce Elder,
... get Mischa Barton to jump into bed with t. A. t. u? The sequel part two Ignoring the movie-going ...
2007 - Gale Group | TDA
... that the success of the Russian pop duo, t.A.T.u., and in particular their participation in the 2003 ... national and the international. Specifically, the essay considers t.A.T.u.’s performance of faux-lesbian pop eroticism as ... West. The controversies and inconsistencies that have followed t.A.T.u are located in the larger context of ongoing ... stage. From this perspective, it is argued, the t.A.T.u. phenomenon interfaces with aspects of both post-Soviet ...
Tópico(s): Soviet and Russian History
2007 - Cambridge University Press | Popular Music
Hui-Sheng Ding, Wei Long, Gaston M. N’Guérékata,
... almost automorphic solutions to nonautonomous evolution equations u′(t)=A(t)u(t)+f(t) and u′(t)=A(t)u(t)+f(t,u(t)) in Banach spaces. ... the existence of almost automorphic solutions to u′(t)=A(t)u(t)+f(t) even if the evolution family ...
Tópico(s): Numerical methods for differential equations
2008 - Elsevier BV | Nonlinear Analysis
... 1 ( t ) d u / d t + c 2 ( t ) A ( t ) u = f ( t ) {c_1}(t)du/dt + {c_2}(t)A(t)u = f(t) in Hilbert space, where c 1 ≧ ... solution for the Cauchy problem d u / d t + A ( t ) u = f ( t ) i n ( 0 , T ] , u ( 0 ) = ...
Tópico(s): Differential Equations and Boundary Problems
1971 - American Mathematical Society | Transactions of the American Mathematical Society
... A similar analysis is carried out for $u''(t) = A(t)u(t)$. A number of examples from partial differential ...
Tópico(s): Differential Equations and Boundary Problems
1973 - Society for Industrial and Applied Mathematics | SIAM Journal on Mathematical Analysis
Nguyen Dang Minh, Khanh To Duc, Nguyen Huy Tuan, Dang Duc Trong,
... y)=u(x,y,0)} such that { u t - a ( t ) ( u x x + u y y ) = f ( x , y , ... x , y ) ∈ Ω ¯ , \left\{\begin{aligned} \displaystyle u_{t}-a(t)(u_{xx}+u_{yy})&\displaystyle=f% (x,y,t),&\ ...
Tópico(s): Nonlinear Partial Differential Equations
2017 - De Gruyter | Journal of Inverse and Ill-Posed Problems
... evolution equations ddt[u(t)+f(t,u(t))]=A(t)[u(t)+f(t,u(t))]+g(t,u( ... t∈R,ddt[u(t)+f(t,Bu(t))]=A(t)[u(t)+f(t,Bu(t))]+g(t,Cu( ...
Tópico(s): Differential Equations and Numerical Methods
2011 - Elsevier BV | Nonlinear Analysis
... evolution inclusions with the boundary multivalued term u″(t)+A(t,u′(t))+Bu(t)+γ̄∗∂J(t,γ̄u′(t))∋0 and u″(t)+A(t,u′(t))+Bu(t)+γ̄∗∂J(t,γ̄u(t))∋ ...
Tópico(s): Advanced Mathematical Modeling in Engineering
2010 - Elsevier BV | Nonlinear Analysis
... almost periodic mild solutions to evolution equations u′(t)=A(t)u(t)+h(t) and u′(t)=A(t)u(t)+f(t,Bu(t))+∫−∞tC(t,s) ...
Tópico(s): Advanced Mathematical Modeling in Engineering
2009 - Elsevier BV | Nonlinear Analysis
Xian Wu, Shaoxiong Chen, Kaimin Teng,
... problems: (1.1){ü(t)+q(t)u̇(t)=A(t)u(t)+∇F(t,u(t)),a.e. t∈[ ... and (1.1λ){ü(t)+q(t)u̇(t)=A(t)u(t)+λ∇F(t,u(t)),a.e. ...
Tópico(s): Nonlinear Differential Equations Analysis
2007 - Elsevier BV | Nonlinear Analysis
... evolution operator of hyperbolic type for the equationu′(t)=A(t)u(t)+f(t),t∈[0,T],u(0)= ... find the uniqueness and existence of solution tou′(t)=A(t)u(t)+∫0tK(t,θ,u(θ))dθ+L( ...
Tópico(s): Stability and Controllability of Differential Equations
2006 - Elsevier BV | Journal of Mathematical Analysis and Applications
... for a well-posed linear differential equation $u'(t)=A(t)u(t)$ with, generally, unbounded operators $A(t)$; in ... the operator $G$ given by $(Gu)(t)=-u'(t)+A(t)u(t)$.
Tópico(s): Nonlinear Differential Equations Analysis
2004 - Duke University Press | Illinois Journal of Mathematics
... solution of the linear boundary value problem u″(t)+a(t)u′(t)+b(t)u(t)=0,t∈(0, ... solutions to the nonlinear boundary-value problem u″(t)+a(t)u′(t)+b(t)u(t)+h(t)f( ...
Tópico(s): Differential Equations and Numerical Methods
2003 - Elsevier BV | Journal of Mathematical Analysis and Applications
Matthias Hieber, Sylvie Monniaux,
... regularity for the non-autonomous parabolic equation u ′ ( t ) + A ( t ) u ( t ) = f ( t ) , u ( 0 ) = 0 u’(t) + A(t)u(t) = f(t), u(0)=0 is independent ...
Tópico(s): Differential Equations and Boundary Problems
1999 - American Mathematical Society | Proceedings of the American Mathematical Society
... an abstract time-dependent, linear parabolic problem \[ u ′ ( t ) = A ( t ) u ( t ) , u ( t 0 ) = u 0 , u’(t) = A(t)u(t), \qquad u(t_0) = u_0, \] where ...
Tópico(s): Advanced Numerical Methods in Computational Mathematics
1999 - American Mathematical Society | Mathematics of Computation
... and uniqueness of classical solutions of (SE) { u ( t ) = A ( t ) u ′ ( t ) + B ( t ) u ( t ) + f ( t ) for ... y . \begin{equation}\tag {SE} \begin {cases} u(t) = A(t)u’(t) + B(t)u(t) + f(t) \text { ...
Tópico(s): Stability and Controllability of Differential Equations
1996 - American Mathematical Society | Proceedings of the American Mathematical Society
Athanassios G. Kartsatos, M.E. Parrott,
... developed for the abstract functional problem (E) \[ u ′ ( t ) + A ( t ) u ( t ) = G ( t , u t ) , u 0 = ϕ , t ∈ [ 0 , T ] . u\prime (t) + A(t)u(t) = G(t,{u_t}), \quad {u_0} = \ ...
Tópico(s): Advanced Mathematical Modeling in Engineering
1984 - American Mathematical Society | Transactions of the American Mathematical Society
... concerned with the quasi-linear evolution equation u ′ ( t ) + A ( t , u ( t ) ) u ( t ) = 0 u’(t)\, + \,A(t,\,u(t))u(t)\, = \,0 in [ 0 , T ] , u ( ...
Tópico(s): Stability and Controllability of Differential Equations
1980 - American Mathematical Society | Transactions of the American Mathematical Society
... of solutions to the initial value problem u ′ ( t ) = A ( t , u ( t ) ) , u ( a ) = z u’(t) = A(t,u(t)),u(a) = z , is considered where A : [ ...
Tópico(s): Nonlinear Differential Equations Analysis
1973 - American Mathematical Society | Transactions of the American Mathematical Society
David Lowell Lovelady, Robert H. Martin,
... u ( 0 ) = z u(0) = z and u ′ ( t ) = A ( t , u ( t ) ) u’(t) = A(t,u(t)) for all t in [ 0 , ∞ ) [0,\infty ) . ...
Tópico(s): Nonlinear Differential Equations Analysis
1972 - American Mathematical Society | Proceedings of the American Mathematical Society
... differential equation of the form u ′ ( t ) = f ( t ) + A ( t , u ( t ) ) + G [ u ] ( t ) ; u ( 0 ) = p u’(t) = f(t) + A(t,u(t)) + G[u](t);u(0) = p , and, ...
Tópico(s): Fixed Point Theorems Analysis
1973 - American Mathematical Society | Transactions of the American Mathematical Society
... of linear SPDEs $$\begin{aligned} \,\mathrm{d} u_t = A(t)u_t\,\mathrm{d} t + g_t\,\mathrm{d} ... quad u_0 = 0, \end{aligned}$$ d u t = A ( t ) u t d t + g t d W t , ...
Tópico(s): Advanced Harmonic Analysis Research
2021 - Springer Science+Business Media | Stochastic Partial Differential Equations Analysis and Computations
... of the form $$^C\!D^\alpha _t u(t)+A(t)u(t)=f(t)$$ in the sense of Caputo' ...
Tópico(s): Differential Equations and Boundary Problems
2022 - Springer Science+Business Media | Fractional Calculus and Applied Analysis
Wei Liu, Michael Röckner, José Luίs da Silva,
... derivatives. These equations are of typeddt(k⁎u)(t)+A(t,u(t))=f(t),0<t<T, with (in ...
Tópico(s): Differential Equations and Numerical Methods
2021 - Elsevier BV | Journal of Functional Analysis
... for a second order parabolic equation ∂tu(x, t) + A(t)u(x, t) = h(t)f (x) with time ...
Tópico(s): Stability and Controllability of Differential Equations
2020 - Elsevier BV | Applied Mathematics Letters
Fatiha Selamnia, Dalila Azzam-Laouir, Manuel D. P. Monteiro Marques,
... Hilbert space H, of the form −(du/dt)(t)∈A(t,u(t))u(t) where, for each (t,x)∈[ ...
Tópico(s): Advanced Mathematical Modeling in Engineering
2020 - Taylor & Francis | Applicable Analysis
Mahdi Achache, El Maati Ouhabaz,
... for non-autonomous Cauchy problems $$ u'(t) + B(t) A(t) u(t) + P(t) u(t) = f(t), \ \hskip ...
Tópico(s): Spectral Theory in Mathematical Physics
2018 - Polish Academy of Sciences | Studia Mathematica
Mahdi Achache, El Maati Ouhabaz,
... maximal regularity for non-autonomous Cauchy problems{u′(t)+A(t)u(t)=f(t),t∈(0,τ]u(0)= ...
Tópico(s): Holomorphic and Operator Theory
2018 - Elsevier BV | Journal of Differential Equations
... the equation |$\textrm{d}u(t)/\textrm{d}t=A(t)u(t)$| with an unbounded operator |$A(t)$| in ...
Tópico(s): Numerical methods in inverse problems
2018 - Oxford University Press | IMA Journal of Mathematical Control and Information
... T}^{\alpha}({ }_{0}^{c} D_{t}^{\alpha}u(t))+a(t)u(t)=f(t,u(t),{ }_{0}^{c} D_{ ...
Tópico(s): Fractional Differential Equations Solutions
2017 - Springer Nature | Boundary Value Problems