19.06.2026
Wiley
The L2‐norm of the Cauchy transform on circular annuli
Abstract
We compute the exact operator norm of the Cauchy transform
on a circular annulus . Exploiting rotational symmetry and a Fourier mode decomposition, we reduce the problem to a one‐dimensional weighted Hardy operator and obtain
where is the first eigenvalue of the Laplacian on with Neumann condition on the inner boundary and Dirichlet condition on the outer boundary....
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18.06.2026
Sveuciliste u Mostaru
Reversing DAMNATIO MEMORIAE: Reconstructing urban memory in the Palilula center of Niš
The historical center of Palilula in Niš experienced profound spatial and symbolic change after World War II. Socialist-era policies led to the removal or alteration of much of the pre-war urban fabric, erasing historical layers and severing connections between built and natural environments.
This research analyzes post-war redevelopment through historical records, urban morphology, and planning documents, assessing its long-term effects on the area and residents’ perception. A contemporary architectural-urban...
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16.06.2026
Wiley
First record of
Eretmocerus iulii
Laudonia et Melone (Hymenoptera: Aphelinidae), parasitoid of
Aleurocanthus spiniferus
Quaintance (Hemiptera: Aleyrodidae) in Montenegro
Abstract
Following its initial detection in Europe (Italy, 2008), the orange spiny whitefly
Aleurocanthus spiniferus
has spread to Croatia, Montenegro, Greece, Albania and France. Since its first record in Montenegro in 2013, this highly invasive, polyphagous pest has spread throughout the entire coastal region and, since 2023, has further extended its range northwards. From...
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15.06.2026
MDPI AG
On (m¯, m)-Conformal (F¯, F)-Mappings
This paper investigates novel transformations of affine connections and the derivation of their corresponding invariants within the framework of differential geometry. Drawing inspiration from previously established (m¯,m)-conformal mappings, we introduce a generalized class of these transformations. We successfully derive three fundamental invariants for this class. To demonstrate the geometric significance of these structures, we examine their implications within the calculus of variations. Finally,...
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