41. Freedom in constructing quasi-copulas vs. copulasMatjaž Omladič, Nik Stopar, 2025, original scientific article Abstract: The main goal of this paper is to study the extent of freedom one has in constructing quasi-copulas vs. copulas. Specifically, it exhibits three construction methods for quasi-copulas based on recent developments: a representation of multivariate quasi-copulas by means of infima and suprema of copulas, an extension of a classical result on shuffles of min to the setting of quasi-copulas, and a construction method for quasi-copulas obeying a given signed mass pattern on a patch.
Keywords: copulas, quasi-copulas, shuffles of min, patch, lattices
Published in DiRROS: 09.04.2025; Views: 37; Downloads: 17
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46. New records and noteworthy data of plants, algae and fungi in SE Europe and adjacent regions, 21Marko S. Sabovljević, Gordana Tomović, Aneta D. Sabovljević, Georgi Kunev, Salza Palpurina, Lado Kutnar, Ivilin Ilchev, Boris Assyov, Vladan Djordjević, Beata Papp, Snežana Dragičević, Péter Szűcs, Sara Stanković, Anna Mežaka, Veselin V. Shivarov, Miruna-Maria Ștefănuț, 2025, original scientific article Abstract: This paper presents new records and noteworthy data on the following taxa in SE Europe and adjacent regions: lichenised fungus Solorina bispora var. subspongiosa, saprotrophic fungi Geastrum berkeleyi and Marasmius epiphylloides, liverworts Bazzania trilobata and Cephaloziella hampeana, mosses Grimmia meridionalis, Neckera pennata, Rhodobryum ontariense, Sphagnum affine, and Sphagnum papillosum, and monocots Carex elata, Epipactis microphylla, and Ophrys apifera
Keywords: new report, Bazzania trilobata, Carex elata, Cephaloziella hampeana, Epipactis microphylla, Geastrum berkeleyi, Grimmia meridionalis, Marasmius epiphylloides, Neckera pennata, Ophrys apifera, Rhodobryum ontariense, Sphagnum affine, Solorina bispora var. subspongiosa, Sphagnum papillosum, Europe
Published in DiRROS: 08.04.2025; Views: 73; Downloads: 24
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48. Calorimetric and optical investigation of the nematic, splay-nematic, and ferroelectric nematic phases of RM734 liquid crystalMarta Lavrič, Nerea Sebastián Ugarteche, Calum Jordan Gibb, Richard J. Mandle, Alenka Mertelj, Nikola Novak, George Cordoyiannis, 2025, original scientific article Abstract: RM734 is one of the first two liquid crystal compounds reported to exhibit the ferroelectric nematic phase. At the early stage of its characterisation, a direct nematic – to – ferroelectric nematic phase transition was reported for this compound. However, subsequent studies revealed the presence of an intermediate phase between the nematic and ferroelectric nematic ones. Here, we provide additional evidence on the calorimetric signature and the optical texture of this intermediate phase, referred to as the splay-nematic phase. Next, we briefly comment on the nature of the transitions between the nematic, splay-nematic, and ferroelectric nematic phases, and the substantially different transition temperatures reported in the literature for RM734.
Published in DiRROS: 08.04.2025; Views: 74; Downloads: 17
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49. The European Fault-Source Model 2020 (EFSM20) : geologic input data for the European Seismic Hazard Model 2020Roberto Basili, Laurentiu Danciu, Céline Beauval, Karin Sesetyan, Susana Vilanova, Shota Adamia, Jure Atanackov, Petra Jamšek Rupnik, Barbara Šket Motnikar, Polona Zupančič, 2024, original scientific article Abstract: Earthquake hazard analyses rely on seismogenic source models. These are designed in various fashions, such as point sources or area sources, but the most effective is the three-dimensional representation of geological faults. We here refer to such models as fault sources. This study presents the European Fault-Source Model 2020 (EFSM20), which was one of the primary input datasets of the recently released European Seismic Hazard Model 2020. The EFSM20 compilation was entirely based on reusable data from existing active fault regional compilations that were first blended and harmonized and then augmented by a set of derived parameters. These additional parameters were devised to enable users to formulate earthquake rate forecasts based on a seismic-moment balancing approach. EFSM20 considers two main categories of seismogenic faults: crustal faults and subduction systems, which include the subduction interface and intraslab faults. The compiled dataset covers an area from the Mid-Atlantic Ridge to the Caucasus and from northern Africa to Iceland. It includes 1248 crustal faults spanning a total length of ∼95 100 km and four subduction systems, namely the Gibraltar, Calabrian, Hellenic, and Cyprus arcs, for a total length of ∼2120 km. The model focuses on an area encompassing a buffer of 300 km around all European countries (except for Overseas Countries and Territories) and a maximum of 300 km depth for the subducting slabs. All the parameters required to develop a seismic source model for earthquake hazard analysis were determined for crustal faults and subduction systems. A statistical distribution of relevant seismotectonic parameters, such as faulting mechanisms, slip rates, moment rates, and prospective maximum magnitudes, is presented and discussed to address unsettled points in view of future updates and improvements. The dataset, identified by the DOI https://doi.org/10.13127/efsm20 (Basili et al., 2022), is distributed as machine-readable files using open standards (Open Geospatial Consortium).
Keywords: earthquakes, hazard, European Fault-Source Model 2020 (EFSM20), Europe
Published in DiRROS: 08.04.2025; Views: 67; Downloads: 23
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