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math.SP2021
Stability in Non-Normal Periodic Jacobi Operators: Advancing Börg's Theorem
Krishna Kumar G., V. B. Kiran Kumar
Periodic Jacobi operators naturally arise in numerous applications, forming a cornerstone in various fields. The spectral theory associated with these operators boasts an extensive…
math.SP2016★ 1 cited
A note on discrete Borg-type theorems
V. B. Kiran Kumar, G. Krishna Kumar
We consider the discrete versions of the well known Borg theorem and use simple linear algebraic techniques to obtain new versions of the discrete Borg type theorems. To be precise…