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This is to certify that your paper entitled «Nonlinear Eigenvalue Methods for Quantifying Quantum Entanglement» was indexed with 14 pages, in the CIVILICA citation database, code COI:JR_GADM-10-2_012, after evaluation and approval of the referees of the "Analytical and Numerical Solutions for Nonlinear Equations Vol 10, Issue 2 , Year 2026.

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