Nonconstant Periodic Solutions of Discrete p-Laplacian System via Clark Duality and Computations of the Critical Groups by Bo Zheng

“…By using the Clark duality method and computing the critical groups, we find a simple condition that is sufficient to ensure the existence of nonconstant periodic solutions to the system.…”
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Multiplicity of Solutions for Gradient Systems Using Landesman-Lazer Conditions by Edcarlos D. da Silva

“…In all results, we use Variational Methods, Morse Theory and Critical Groups.…”
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Hubungan Kadar Enzim Transaminase Pasien COVID-19 dengan Derajat Keparahan Penyakit di RSUP Dr. M. Djamil Padang by Rahmadina Rahmadina, Deddy Herman, Efrida Efrida, Almurdi Almurdi, Russilawati Russilawati, Dwitya Elvira

“…The median AST was highest in the critical group, while the median ALT was highest in the severe group. …”
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