Search Results - "Salas, Hèctor"
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Dual disjoint hypercyclic operators
Published in Journal of mathematical analysis and applications (01-02-2011)“…Let E be a separable Fréchet space. The operators T 1 , … , T m are disjoint hypercyclic if there exists x ∈ E such that the orbit of ( x , … , x ) under ( T 1…”
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VLT-MUSE spectroscopy of AGNs misclassified by BPT diagnostic or with weak emission lines
Published in Monthly notices of the Royal Astronomical Society (10-10-2023)“…ABSTRACT Despite powerful X-ray emission, some active galactic nuclei (AGNs) are known to either lack optical emission lines (so-called ‘optically dull’ AGNs)…”
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Respirometric Study of Optical Brighteners in Textile Wastewater
Published in Materials (07-03-2019)“…Optical brighteners (OBs) are colorless fluorescent dyes, widely used in industry to improve whiteness in materials. Nearly 80% of all OBs in the market are…”
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4
The pharyngeal taste organ of a blood-feeding insect functions in food recognition
Published in BMC biology (13-03-2024)“…Obligate blood-feeding insects obtain the nutrients and water necessary to ensure survival from the vertebrate blood. The internal taste sensilla, situated in…”
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5
Sampling completeness changes perceptions of continental scale climate–species richness relationships in odonates
Published in Journal of biogeography (01-07-2024)“…Aim Insects are one of the least studied taxa, with most species lacking basic ecological and biogeographical information. This problem is particularly acute…”
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Use of an Argentinean Wildlife Tissue Collection for Epidemiological Studies of Histoplasmosis
Published in Mycopathologia (1975) (01-10-2020)“…Histoplasmosis is a worldwide systemic endemic mycosis caused by several cryptic species included within the Histoplasma capsulatum complex. Domestic and wild…”
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Effects of replacing canola meal with camelina expeller on intake, total tract digestibility, and feeding behavior of beef heifers fed high-concentrate diets
Published in Translational animal science (01-04-2020)“…Abstract To assess the effect of inclusion of camelina expeller in beef cattle diets, 24 Simmental heifers were used. Two experiments were carried out. In the…”
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In Vitro Digestibility, In Situ Degradability, Rumen Fermentation and N Metabolism of Camelina Co-Products for Beef Cattle Studied with a Dual Flow Continuous Culture System
Published in Animals (Basel) (01-12-2019)“…Camelina meal (CM) and camelina expeller (CE) were compared with soybean meal (SM) and rapeseed meal (RM). Trial 1 consisted of a modified Tilley and Terry in…”
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The use of highly diverse clades as a surrogate for habitat integrity analysis: Argia damselflies as a practical tool for rapid assessments
Published in Environmental science and pollution research international (01-04-2022)“…Human activities have impacted many environments on earth, and thus several species are facing an increased risk of extinction. The environmental crisis…”
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The Strong Disjoint Blow-Up/Collapse Property
Published in Journal of function spaces (01-01-2013)“…Let X be a topological vector space, and let ℬ(X) be the algebra of continuous linear operators on X. The operators T1,…,TN∈ℬ(X) are disjoint hypercyclic if…”
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A new species of Libellula Linnaeus, 1758, from the Cuatro Ciénegas basin, Coahuila, México (Anisoptera: Libellulidae)
Published in Zootaxa (12-10-2015)“…A new species of Libellula is described from specimens collected in the most interesting area of Cuatro Ciénegas, Coahuila, México. Libellula coahuiltecana sp…”
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Sensitivity and Specificity of a Screening Test for the Detection of Deficiencies in Visuo-Perceptual Skills
Published in Brain sciences (14-07-2024)“…This study determines the sensitivity and specificity of a screening test to detect perceptual abnormalities and whether there are differences between gender…”
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Reducing environmental impact of textile wastewater by natural coagulants and reuse of effluents
Published in Desalination and water treatment (01-01-2018)“…Water scarcity is a global problem, therefore the reuse and recycling of water is promoted in all sectors and it is a real alternative for the conservation of…”
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In vitro Digestibility, In situ Degradability, Rumen Fermentation and N Metabolism of Camelina Co-Products for Beef Cattle Studied with A Dual Flow Continuous Culture System of Camelina Co-Products for Beef Cattle
Published in Animals (Basel) (03-12-2019)“…Camelina meal (CM) and camelina expeller (CE) were compared with soybean meal (SM) and rapeseed meal (RM). Trial 1 consisted of a modified Tilley and Terry…”
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15
Eigenvalues and hypercyclicity in omega
Published in Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A, Matemáticas (01-09-2011)“…We define the class of upper staircase matrices on ω . Such matrices have a plethora of eigenvalues and eigenvectors, and they are hypercylic. We show that…”
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Investigación Cuantitativa (Monismo Metodológico) y Cualitativa (Dualismo Metodológico): El status epistémico de los resultados de la investigación en las disciplinas sociales
Published in Cinta de moebio (01-03-2011)“…Este ensayo analiza las posturas asociadas con los modelos cuantitativo y cualitativo de investigación en las disciplinas sociales; examina la universalidad e…”
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Supercyclic Subspaces: Spectral Theory and Weighted Shifts
Published in Advances in mathematics (New York. 1965) (15-10-2001)“…A vector x in a Banach space B is called hypercyclic for a bounded operator T if the orbit {Tnx:n⩾0} is dense in B. If the scalar multiples of the elements in…”
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Refractive status of patients attending eye clinics of the Public Health System from Aguascalientes, Mexico
Published in Journal of optometry (01-10-2021)“…This paper aims to evaluate the prevalence of REs in a clinic from Aguascalientes, Mexico by analysing clinical records from the local public health system…”
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Pathological hypercyclic operators
Published in Archiv der Mathematik (01-03-2006)“…We exhibit a hypercyclic operator whose square is not hypercyclic. Our operator is necessarily unbounded since a result of S. Ansari asserts that powers of a…”
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Untangling the waterfall damsels: a review of the Mesoamerican genus Paraphlebia Selys in Hagen, 1861 (Odonata: Thaumatoneuridae) with descriptions of 11 new species
Published in Zootaxa (11-01-2022)“…A review of the Mesoamerican genus Paraphlebia Selys in Hagen, 1861 is presented, including diagnoses, illustrations of diagnostic characters, and distribution…”
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