An inverse spectral problem for Sturm–Liouville operators with a large constant delay
Sign Up to like & getrecommendations! Published in 2019 at "Analysis and Mathematical Physics"
DOI: 10.1007/s13324-017-0176-6
Abstract: We consider the Sturm–Liouville differential equation with a constant delay, which is not less than the half length of the interval. An inverse spectral problem is studied of recovering the potential from subspectra of two… read more here.
Keywords: spectral problem; problem; sturm liouville; inverse spectral ... See more keywords
Inverse spectral problems for the generalized Robin–Regge problem with complex coefficients
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DOI: 10.1016/j.geomphys.2020.103936
Abstract: Abstract In this work, the generalized Robin–Regge problem with complex coefficients is investigated. Two new uniqueness theorems are proved for the inverse spectral problems, and the corresponding algorithms are also provided. For one of the… read more here.
Keywords: generalized robin; regge problem; spectral problems; problem complex ... See more keywords
A note on the real inverse spectral problem for doubly stochastic matrices
Sign Up to like & getrecommendations! Published in 2019 at "Linear Algebra and its Applications"
DOI: 10.1016/j.laa.2019.01.017
Abstract: Abstract The real (resp. symmetric) doubly stochastic inverse spectral problem is the problem of determining necessary and sufficient conditions for a real n-tuple λ = ( 1 , λ 2 , . . . ,… read more here.
Keywords: doubly stochastic; spectral problem; problem; real inverse ... See more keywords
An inverse spectral analysis of transmission problem in thermo- and photo-acoustic tomography
Sign Up to like & getrecommendations! Published in 2019 at "Waves in Random and Complex Media"
DOI: 10.1080/17455030.2017.1422605
Abstract: ABSTRACT We study an inverse spectral theory in the thermo- and photo-acoustic tomography in imaging science. Under certain non-trapping hypothesis, we study the zero set of the Fourier transform of the observation data. The zero… read more here.
Keywords: acoustic tomography; photo acoustic; thermo photo; transmission problem ... See more keywords
On the inverse spectral stability for the transmission eigenvalue problem with finite data
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DOI: 10.1088/1361-6420/ab9590
Abstract: In this work, we study the inverse spectral stability for the transmission eigenvalue problem from finitely many data with errors. It is shown that when a≤1, all potentials, whose transmission eigenvalues are e -close in… read more here.
Keywords: transmission; transmission eigenvalue; eigenvalue problem; stability transmission ... See more keywords
A Potential-Based Inverse Spectral Method to Noninvasively Localize Discordant Distributions of Alternans on the Heart From the ECG
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Biomedical Engineering"
DOI: 10.1109/tbme.2017.2732159
Abstract: T-wave alternans (TWA), defined as the beat-to-beat alternation in amplitude of the T-waves, has been shown to be linked to ventricular fibrillation (VF). However, current TWA tests have high sensitivity but low specificity in determining… read more here.
Keywords: heart; method; spectral method; tex math ... See more keywords