Results 11 to 20 of about 918,355 (267)
Bi‐embeddability spectra and bases of spectra [PDF]
Mathematical Logic Quarterly, 2019 AbstractWe study degree spectra of structures with respect to the bi‐embeddability relation. The bi‐embeddability spectrum of a structure is the family of Turing degrees of its bi‐embeddable copies. To facilitate our study we introduce the notions of bi‐embeddable triviality and basis of a spectrum.
Ekaterina B. Fokina +2 more
openaire +6 more sources
Spectra, spectra, spectra – Tensor triangular spectra versus Zariski spectra of endomorphism rings [PDF]
Algebraic & Geometric Topology, 2010 The author [\textit{P. Balmer}, J. Reine Angew. Math. 588, 149--168 (2005; Zbl 1080.18007)] has introduced the notion of a triangular spectrum \(\text{Spc}(\mathcal{K})\) for a tensor triangulated category \(\mathcal{K}\). From the previous work of the author and others it is clear that \(\text{Spc}(\mathcal{K})\) is a natural home for triangular ...
openaire +3 more sources
Nuclear Motion Is Classical: Spectrum of a Magic Protonated Water Cluster
Molecules, 2023 The assumption that nuclear motion is classical explains many phenomena. The problems of Schrödinger’s cat and the EPR paradoxon do not exist in a perfectly deterministic theory.
Irmgard Frank
doaj +1 more source
High-Resolution Profiling of Atmospheric Turbulence Using UAV Autopilot Data
Drones, 2023 The capabilities of hovering unmanned aerial vehicles (UAVs) in low-altitude sensing of atmospheric turbulence with high spatial resolution are studied experimentally.
Alexander Shelekhov +6 more
doaj +1 more source
The Journal of Symbolic Logic, 2015 AbstractThe mad spectrum is the set of all cardinalities of infinite maximal almost disjoint families on ω. We treat the problem to characterize those sets ${\rm {\cal A}} $ which, in some forcing extension of the universe, can be the mad spectrum.
Saharon Shelah, Otmar Spinas
openaire +2 more sources
RESULTS OF THE STUDY OF HIGHLY EXCITED ATOMS OF THE UPPER ATMOSPHERE [PDF]
Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2013 The results of Ionosonde data over Kamchatka during the emergence of D-layer at night are discussed. At the same time, the spectra of the night sky are represented at this period using a spectrum analyzer installed on Lidar Station of IKIR FEB RAS.
Y.A. Nepomnyashchiy +2 more
doaj +1 more source
Algebras and Representation Theory, 2022 AbstractThe aim of this paper is to investigate the behaviour of prime and semiprime subgroups of groups, and their relation with the existence of abelian normal subgroups. In particular, we study the set Spec(G) of all prime subgroups of a group G endowed with the Zariski topology and, among other examples, we construct an infinite group whose proper ...
Facchini A. +2 more
openaire +3 more sources
Discrete G-spectra and embeddings of module spectra [PDF]
Journal of Homotopy and Related Structures, 2017 In this paper we study the category of discrete G-spectra for a profinite group G. We consider an embedding of module objects in spectra into a category of module objects in discrete G-spectra, and study the relationship between the embedding and the homotopy fixed points functor.
openaire +3 more sources
Short‐duration post CT‐guided thoracic biopsy monitoring‐ clinical experience with 440 patients
Journal of Medical Radiation Sciences, 2019 Purpose With several studies recording a higher percentage of complications in the first hour of post‐biopsy, this study sought to evaluate the safety in the reduction in post‐biopsy patient monitoring time after computed tomography (CT)‐guided thoracic ...
George Asafu Adjaye Frimpong +4 more
doaj +1 more source
Molecules, 2021 Two light-activated NO donors [RuCl(qn)(Lbpy)(NO)]X with 8-hydroxyquinoline (qn) and 2,2′-bipyridine derivatives (Lbpy) as co-ligands were synthesized (Lbpy1 = 4,4′-dicarboxyl-2,2′-dipyridine, X = Cl− and Lbpy2 = 4,4′-dimethoxycarbonyl-2,2′-dipyridine, X
Luna Song +8 more
doaj +1 more source