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Applied Mathematics (AM) is an international journal dedicated to the latest advancements in applied mathematics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of applied mathema…
Jingkun Liu, Qi Fan
The purpose of this paper is to study a semilinear Schr ö dinger equation with constraint in H 1 ( R N ), and prove the existence of sign changing solution. Under suitable conditions, we obtain a negative solution, a positive solution and a sign changing…
Brice M. Yambiyo, A. Manirakiza, Gaston M. N’Guérékata
In this paper, we propose a susceptible-exposed-infection-asymptomatic-hospitalized-recovered (SEIAHR) model with parameters on retrospective social distancing and masking. We estimated the model parameters from information published on the World Health Organ…
Xiaoling Wang
For two graphs G and H , if G and H have the same matching polynomial, then G and H are said to be matching equivalent. We denote by δ ( G ), the number of the matching equivalent graphs of G . In this paper, we give δ ( sK 1 ∪ t 1 C 9 ∪ t 2 C 15 ), which is…
Samaneh Gholami, Silvana Ilie
Biochemical systems have numerous practical applications, in particular to the study of critical intracellular processes. Frequently, biochemical kinetic models depict cellular processes as systems of chemical reactions. Many biological processes in a cell ar…
Omer Khalil, Shuangping Tao, Bechir Mahamat
In this paper, our aim is to prove the boundedness of commutators generated by the Marcinkiewicz integrals operator [ b , μ Ω ] and obtain the result with Lipschitz function and BMO function f on the Herz-Morrey-Hardy spaces with variable exponents .
Rosa Ferrentino, Luca Vota
In this paper, the authors study the effectiveness of the Japanese monetary policy set by the Bank of Japan (BOJ) to contrast the three major crises that the country has experienced since the second half of the 90s: that of the lost decade, that of 2008 and t…
Motohisa Osaka
The purpose of this study is to develop a mathematical model of the spiral basilar membrane in the center of the cochlea, which plays an important role in the mammalian auditory system. The basilar membrane transmits sound vibrations, which are converted into…
Tingwei Huang, Shan Zhang
We prove the uniform Lipschitz bound of solutions for a nonlinear elliptic system modeling the steady state of populations that compete in a heterogeneous environment. This extends known quasi-optimal regularity results and covers the optimal case for this pr…
Hongjian Lai, Omaema Lasfar, Juan Liu
A vertex cycle cover of a digraph H is a collection C = { C 1 , C 2 , …, C k } of directed cycles in H such that these directed cycles together cover all vertices in H and such that the arc sets of these directed cycles induce a connected subdigraph of H . A…
Huimiao Dong, Tiansi Zhang
In this paper, external bifurcations of heterodimensional cycles connecting three saddle points with one orbit flip, in the shape of “∞”, are studied in three-dimensional vector field. We construct a poincaré return map between returning points in a transvers…
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Applied Mathematics (AM) is an international journal dedicated to the latest advancements in applied mathematics. The goal of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of applied mathema… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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