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Search Results: 1 - 10 of 10546 matches for " Carmen Muro "
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Country-Specific Dynamic Optimal Capital Income Tax Rate  [PDF]
Kazunobu Muro
Theoretical Economics Letters (TEL) , 2012, DOI: 10.4236/tel.2012.23045
Abstract: The empirical tax rate on capital income ranges between 0.4 and 0.6 in OECD countries. This paper presents the optimal taxation problem in an one-sector dynamic general equilibrium model where the government is confronted with fiscal constraint (the ratio of government expenditure to GDP is exogenously given) while households and firms do not recognize the fiscal constraint. We derive analytically the positive optimal tax rates on capital income. Under the fiscal constraint, the optimal tax rate on capital income depends on the discount rate, the rate of capital depreciation, and the ratio of government spending to GDP. Our model can generate the country-specific optimal tax rate on capital income (0.2 to 0.4). Thus, this paper insists that the empirical data of tax rates in OECD countries are higher than the results predicted by our model.
Alcances de la teoría de Vergnaud en la representación de un problema complejo de ingeniería
Muro, Claudia Rosario;Camarena, Patricia;Flores, Rosa del Carmen;
Revista latinoamericana de investigación en matemática educativa , 2007,
Abstract: with the aim of implementing tasks to help a group of students to construct the meaning of the convergence of the fourier series, this research studies its relationship with a problem concerning situations that describe a mass transfer phenomenon until equilibrium is reached. as they performed the tasks, an analysis was made of the group's representations on how they understand and solve problems which touch on this mathematical object, recalling aspects mentioned by vergnaud in studies on basic operations in primary education. the results bring to light isolated conceptions in both contexts and difficulties in knowledge of differential equations which govern the phenomenon, as well as the consequence of the fourier series.
Integración social del anciano institucionalizado Social integration of institutionalized elderly
Rebeca Osta Samanes,Antonio García Tejedor,Carmen Muro
Gerokomos , 2012,
Abstract: El objetivo es describir las características clínicas y de dependencia de un grupo de ancianos con enfermedad mental, institucionalizados con el fin de conocer la posibilidad de integrarse en residencias de ancianos de la comunidad. Es un estudio descriptivo, transversal y cuantitativo llevado a cabo en el Centro Psiquiátrico de Rehabilitación (CPR) de Sádaba, con personas mayores de 65 de edad. Los datos recogidos fueron: historias clínicas, entrevista que valora el comportamiento actual, índice de Barthel y escalas de evolución HoNOS y criterios de cronicidad. Según este estudio, hay un perfil clínico y de rendimiento en AVD que permite a pacientes con enfermedad mental grave y crónica el que sean derivados a recursos normalizados comunitarios. Objetive is to describe the clinical and dependency characteristics of a group of institutionalised elderly persons suffering from mental diseases, in order to determine the feasibility of their integration into local residential homes. A descriptive, transversal and quantitative study conducted at the Centro Psiquiátrico de Rehabilitación de Sádaba (Psychiatric Rehabilitation Centre of Sádaba) with people aged 65 years or over. Data was collected through medical records, interviews which assessed the current behaviour of the person, the Barthel Index, and the Evolution Scales HoNOS and Chronicity. According to this study, there is a clinical and performance profile in ADL that allows for patients with serious and chronic mental illness to be referred to standard resources within the local community.
On the proper homotopy type of locally compact A^2_n-polyhedra
Fernando Muro
Mathematics , 2006,
Abstract: In this paper we address the classification problem for locally compact (n-1)-connected CW-complexes with dimension less or equal than n+2 up to proper homotopy type. We obtain complete classification theorems in terms of purely algebraic data in those cases where the representation type of the involved algebra is finite. For this we define new quadratic functors in controlled algebra and new homotopy and cohomology invariants in proper homotopy theory.
Maltsiniotis's first conjecture for K_1
Fernando Muro
Mathematics , 2007, DOI: 10.1093/imrn/rnm153
Abstract: We show that K_1 of an exact category agrees with K_1 of the associated triangulated derivator. More generally we show that K_1 of a Waldhausen category with cylinders and a saturated class of weak equivalences coincides with K_1 of the associated right pointed derivator.
Homotopy theory of non-symmetric operads
Fernando Muro
Mathematics , 2011, DOI: 10.2140/agt.2011.11.1541
Abstract: We endow categories of non-symmetric operads with natural model structures. We work with no restriction on our operads and only assume the usual hypotheses for model categories with a symmetric monoidal structure. We also study categories of algebras over these operads in enriched non-symmetric monoidal model categories.
On algebras of holomorphic functions of a given type
Santiago Muro
Mathematics , 2011,
Abstract: We show that several spaces of holomorphic functions on a Riemann domain over a Banach space, including the nuclear and Hilbert-Schmidt bounded type, are locally $m$-convex Fr\'echet algebras. We prove that the spectrum of these algebras has a natural analytic structure, which we use to characterize the envelope of holomorphy. We also show a Cartan-Thullen type theorem.
Homotopy theory of non-symmetric operads II: change of base category and left properness
Fernando Muro
Mathematics , 2013, DOI: 10.2140/agt.2014.14.1489
Abstract: We prove, under mild assumptions, that a Quillen equivalence between symmetric monoidal model categories gives rise to a Quillen equivalence between their model categories of (non-symmetric) operads, and also between model categories of algebras over operads. We also show left properness results on model categories of operads and algebras over operads. As an application, we prove homotopy invariance for (unital) associative operads.
Enhanced $A$-infinity obstruction theory
Fernando Muro
Mathematics , 2015,
Abstract: We define a new obstruction theory for the extension of truncated A-infinity algebra structures. Obstructions lie in the new terms of a spectral sequence which extends Bousfield-Kan's fringed spectral sequence of a certain tower of fibrations. The obstructions living in the first and second pages are classical. We compute the second page of our spectral sequence, including the differentials, in terms of Hochschild cohomology and universal Massey products. We put into practice our theory by showing with an example that obstructions can be explicitly computed beyond the second page.
On the unit of a monoidal model category
Fernando Muro
Mathematics , 2014,
Abstract: In this paper we show how to modify cofibrations in a monoidal model category so that the tensor unit becomes cofibrant while keeping the same weak equivalences. We obtain aplications to enriched categories and coloured operads in stable homotopy theory.
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