Inertial-Hall effect: the influence of rotation on the Hall conductivity

Inertial effects play an important role in classical mechanics but have been largely overlooked in quantum mechanics. Nevertheless, the analogy between inertial forces on mass particles and electromagnetic forces on charged particles is not new. In this paper, we consider a rotating non-interacting planar two-dimensional electron gas with a perpendicular uniform magnetic field and investigate the effects of the rotation in the Hall conductiv

Transdisciplinary insight of digital architecture

The research outlines a historic perspective of transdisciplinary digital architecture through the work of key personalities by establishing links between them. Researches on digital architecture history are generally grounded on methods with limited sets of primary sources and data is lost. Following the increasing availability of digital data sources in the internet, which were not created and structured with research purposes in mind, new methods are required for mapping, analyzing and visualizing it. Data-driven and geospatial approaches can allow researchers to address multidimensional aspects and facts. This paper presents the first preliminary results of an ongoing research.info:eu-repo/semantics/publishedVersio

Measuring urban renewal: a dual kernel density estimation to assess the intensity of building renovation

In the cities of post-industrialized countries, building renovation is the main part of building construction activity. Measuring that ongoing phenomenon is a problem of visualization and representation at which traditional representation tools and processes have some limitations. Databases are resources open to architectural research that provide new possibilities to develop design practice and theory. Methods related to data-driven tools can improve the analysis of the urban renovation phenomena and its distribution throughout urban areas and be of great usefulness for urban planning and public policies. To support these processes, Kernel Density Estimation (KDE) is an efficient tool that overcomes incomplete data, as not all renovation is reported to city halls. This article aims to provide a vision of the possibilities of integrating dispersed datasets. Using the city of Lisbon building permit alphanumerical and spatial database as a case study, we present preliminary work on a method of measuring building renovation intensity. Using Dual KDE we determine the intensity of building renovation across the city and along the time period, comparing the density of two different variables, the density of building renovation and the density of the city. We further provide two implementations of this methodology, using a parametric modelling environment and a GIS software.info:eu-repo/semantics/publishedVersio

Schmidt balls around the identity

Robustness measures as introduced by Vidal and Tarrach [PRA, 59, 141-155] quantify the extent to which entangled states remain entangled under mixing. Analogously, we introduce here the Schmidt robustness and the random Schmidt robustness. The latter notion is closely related to the construction of Schmidt balls around the identity. We analyse the situation for pure states and provide non-trivial upper and lower bounds. Upper bounds to the random Schmidt-2 robustness allow us to construct a particularly simple distillability criterion. We present two conjectures, the first one is related to the radius of inner balls around the identity in the convex set of Schmidt number n-states. We also conjecture a class of optimal Schmidt witnesses for pure states.Comment: 7 pages, 1 figur

Transdisciplinary in Architecture as a digital change: back to the future

This paper outlines a historic perspective of transdisciplinarity in digital architecture through the work of several key figures (architects, computer scientists, mathematicians, engineers and artists) from the 20th century. Transdisciplinary Digital Architecture deals with digital means and science. The research methodology adopted in this study allows analyzing historic documentation available on the Internet (text, audio, picture, video) to establish the links between them and their relevance to present time digital architecture. This paper aims to describe the first preliminary results of the research to establish a new theory of the digital in architecture based on a body of theoretical foundations that link “first age” transdisciplinarity to Bauhaus teaching methods, and to the early use of computers in architecture.info:eu-repo/semantics/acceptedVersio

Mosaico de imagens de satélite do Pantanal no ano 2000.

O Pantanal devido a sua extensão e dificuldade de acesso representa um desafio para o desenvolvimento de atividades de produção e conservação da natureza. Nesse sentido as tecnologias de Sensoriamento Remoto podem contribuir muito para o conhecimento e manejo desse ecossistema. O presente trabalho apresenta o mosaico de imagens Landsat 7 ETM do ano 2000 do Pantanal, onde ao contrário dos demais produtos dessa natureza, apresenta uma maior precisão de posicionamento em função de um extenso trabalho de campo realizado para o georreferenciamento das imagens. Esse trabalho é o resultado da parceria entre a Embrapa Pantanal e a WWF Brasil e está disponível também na homepage da Embrapa Pantanal. Esperamos com essa iniciativa estar cumprindo com nosso objetivo de levar à comunidade informações sobre o Pantanal.bitstream/item/81191/1/DOC43.pd

Controle cultural da mela do feijoeiro na região de Altamira-PA.

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Faithful Squashed Entanglement

Squashed entanglement is a measure for the entanglement of bipartite quantum states. In this paper we present a lower bound for squashed entanglement in terms of a distance to the set of separable states. This implies that squashed entanglement is faithful, that is, strictly positive if and only if the state is entangled. We derive the bound on squashed entanglement from a bound on quantum conditional mutual information, which is used to define squashed entanglement and corresponds to the amount by which strong subadditivity of von Neumann entropy fails to be saturated. Our result therefore sheds light on the structure of states that almost satisfy strong subadditivity with equality. The proof is based on two recent results from quantum information theory: the operational interpretation of the quantum mutual information as the optimal rate for state redistribution and the interpretation of the regularised relative entropy of entanglement as an error exponent in hypothesis testing. The distance to the set of separable states is measured by the one-way LOCC norm, an operationally-motivated norm giving the optimal probability of distinguishing two bipartite quantum states, each shared by two parties, using any protocol formed by local quantum operations and one-directional classical communication between the parties. A similar result for the Frobenius or Euclidean norm follows immediately. The result has two applications in complexity theory. The first is a quasipolynomial-time algorithm solving the weak membership problem for the set of separable states in one-way LOCC or Euclidean norm. The second concerns quantum Merlin-Arthur games. Here we show that multiple provers are not more powerful than a single prover when the verifier is restricted to one-way LOCC operations thereby providing a new characterisation of the complexity class QMA.Comment: 24 pages, 1 figure, 1 table. Due to an error in the published version, claims have been weakened from the LOCC norm to the one-way LOCC nor