Opuscula Mathematica - vol. 35, no. 3 (2015)

Opuscula Mathematica - cover

Janko Bračič, Cristina Diogo

Hildebrandt's theorem for the essential spectrum

Mukhiddin I. Muminov, Tulkin H. Rasulov

On the eigenvalues of a 2×2 block operator matrix

Josip Pečarić, Marjan Praljak, Alfred Witkowski

Generalized Levinson's inequality and exponential convexity

Opuscula Mathematica - cover

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