Mihailo Krsti'c

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math.FA2026

Pettis integrability of functions with values in separable symmetrically-normed ideals and related norm estimates

Mihailo Krstić, Matija Milović, Stefan Milošević

In this paper we will investigate Pettis integrability of $C_{Φ}^{\circ} (H)$ -valued functions. We will study weakly $^{*}$ integrable $B (H)$ -valu…

math.FA2026

Strongly Integrable Operator-Valued Functions, Generated Vector Measures and Compactness of Integrals

Miloš Arsenović, Mihailo Krstić, Matija Milović +1

Gel'fand integral of a family of compact operators on a Hilbert space is not always compact, even with additional property of positivity and commutativity. We prove that integrals…

math.FA2025

Extended Cauchy-Schwarz inequalities for $σ$ -elementary transformers in Schatten-von Neumann norm ideals

Danko R. Jocić, Mihailo Krstić, Milan Lazarević +1

Let $q, r, s ⩾ 1$ satisfy $\frac{1}{2 q} + \frac{1}{2 r} = \frac{1}{s}$ and $X \in C_{s} (H)$ . If $(λ_{n})_{n = 1}^{\infty}, (w_{n})_{n = 1}^{\infty}$ are sequences…

math.FA2025

$q$ -numerical radius of rank-one operators and the generalized Buzano inequality

Dušan Denčić, Hranislav Stanković, Mihailo Krstić +1

Here, we study the $q$ -numerical radius of rank-one operators on a Hilbert space $H$ . More precisely, for $q \in [0, 1]$ and $a, b \in H$ , we establish the formu…

Pettis integrability of functions with values in separable symmetrically-normed ideals and related norm estimates

Strongly Integrable Operator-Valued Functions, Generated Vector Measures and Compactness of Integrals

Extended Cauchy-Schwarz inequalities for σ-elementary transformers in Schatten-von Neumann norm ideals

q-numerical radius of rank-one operators and the generalized Buzano inequality

Extended Cauchy-Schwarz inequalities for $σ$ -elementary transformers in Schatten-von Neumann norm ideals

$q$ -numerical radius of rank-one operators and the generalized Buzano inequality