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Published in 2018 at "Transactions of the American Mathematical Society"
DOI: 10.1090/tran/7185
Abstract: We prove that on a closed surface, a Lagrangian system defined by a Tonelli Lagrangian L L possesses a periodic orbit that is a local minimizer of the free-period action functional on every energy level…
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Keywords:
mml stretchy;
false mml;
stretchy false;
mml ... See more keywords
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Published in 2018 at "Journal of Function Spaces"
DOI: 10.1155/2018/6037615
Abstract: In this paper, it is shown that if T=Tri(A,M,B) is a triangular algebra and ϕ is an additive operator on T such that (m+n+k+l)ϕ(T2)-(mϕ(T)T+nTϕ(T)+kϕ(I)T2+lT2ϕ(I))∈FI for any T∈T, then ϕ is a centralizer. It follows that…
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mml stretchy;
math;
false mml;
stretchy false ... See more keywords
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2
Published in 2023 at "Electronic Journal of Qualitative Theory of Differential Equations"
DOI: 10.14232/ejqtde.2023.1.19
Abstract: In this paper, we study the existence and multiplicity solutions for the following Klein–Gordon–Maxwell system { − Δ u + V ( x ) u − ( 2 ω + ϕ ) ϕ u =…
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Keywords:
stretchy;
mml math;
mml mml;
mml ... See more keywords