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The Field of a Point Source Located Outside a Convex Curve,The present paper is devoted to constructing the high-frequency asymptotics of the solution of the problem in the plane of a point source located on the side of a curvilinear boundary S where the shadow zone appears.incision 发表于 2025-3-29 00:29:02
Criteria for the Boundedness and Complete Continuity of Certain Imbedding Operators,The question of boundedness (compactness) of the imbedding of classes of smooth functions in a space of functions integrable with respect to some measure arises in many problems of spectral theory.印第安人 发表于 2025-3-29 03:31:46
Application of the Method of Standard Comparison Problems to Perturbations of the Coulomb Field. ThThe present paper is devoted to obtaining asymptotic expansions for ε → 0 for the eigen-fiinctions Ψ. and eigenvalues E. of Sturm-Liouville problems related to the radial Schrödinger equation . where the potential V(r, ε) is composed of the Coulomb potential and a small perturbation ..SLAY 发表于 2025-3-29 08:31:23
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Ebola Virus Disease and Pregnancy: Perinatal Transmission and Epidemiology2%) pregnancies ended in miscarriage, 4 (6%) in stillbirth, and 2 (3%) in elective pregnancy terminations. Overall, 28% of women had an adverse pregnancy outcome, suggesting a long-lasting negative impact of prior EVD on future pregnancies. More research is needed to confirm these findings.Aggressive 发表于 2025-3-29 16:33:33
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"AI machine learning" = "new practical control methods"..This book can give my helps to undergradate or graduate students, institute researchers and senior engineers whose scientific background are engineering, mathematics, physics and other natural sciences.. .978-981-19-4596-0978-981-19-4594-6FLUSH 发表于 2025-3-30 00:07:42
Textbook 2018nd helps to create a conceptual approach, which is especially important in educational contexts. This clearly written book includes problems and solutions for each chapter, which can be used for seminars and homework, as well as qualitative models that are helpful to students.