Lung-Hui Chen

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math-ph2026

Topology in One Point Interaction Problem on Extended Non-Local Star Graphs and its Eigenvalues

Lung-Hui Chen

The author studies the inverse spectral problem of Sturm-Liouville operator on a star-like metric graph. At the vertex of this star-like graph, there are attached $m$ edges that im…

math-ph2025

Plancherel-PÃ³lya's Type of Instability in Vibration System with Multiple Frozen Arguments

Lung-Hui Chen, Chung-Tsun Shieh

We discuss the problem of the inverse spectral problem of Sturm-Liouville operator with multiple frozen arguments at ${a_{1}, a_{2}, \dots, a_{N}}$ in $(0, I ¨ )$ . One may consider t…