Linear operators form the cornerstone of analysis in Banach spaces, offering a framework in which one can rigorously study continuity, spectral properties and stability. Banach space theory, with its ...

Linear operators form the backbone of modern mathematical analysis and have become indispensable in characterising the behaviour of dynamical systems. At their core, these operators are functions that ...

Filomat, Vol. 30, No. 7, The 22nd International Conference on Finite and Infinite Dimensional Complex Analysis and Applications (2016), pp. 1853-1868 (16 pages) N. L. Braha, H. M. Srivastava and S. A.

Let H be a Hilbert space with inner-product (x, y), and let R be a bounded positive operator on H which determines an inner-product, $\langle x,y\rangle $ = (Rx, y), x, y ∈ H. Denote by H- the ...