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Simulation modeling and analysis with Arena
Simulation Modeling and Analysis with Arena is a highly readable textbook which treats the essentials of the Monte Carlo discrete-event simulation methodology, and does so in the context of a popular Arena simulation environment.\" It treats simulation modeling as an in-vitro laboratory that facilitates the understanding of complex systems and experimentation with what-if scenarios in order to estimate their performance metrics. The book contains chapters on the simulation modeling methodology and the underpinnings of discrete-event systems, as well as the relevant underlying probability, statistics, stochastic processes, input analysis, model validation and output analysis. All simulation-related concepts are illustrated in numerous Arena examples, encompassing production lines, manufacturing and inventory systems, transportation systems, and computer information systems in networked settings. · Introduces the concept of discrete event Monte Carlo simulation, the most commonly used methodology for modeling and analysis of complex systems· Covers essential workings of the popular animated simulation language, ARENA, including set-up, design parameters, input data, and output analysis, along with a wide variety of sample model applications from production lines to transportation systems· Reviews elements of statistics, probability, and stochastic processes relevant to simulation modeling* Ample end-of-chapter problems and full Solutions Manual* Includes CD with sample ARENA modeling programs
eBook
Security and sport mega events : a complex relation
Sport competitions at the national, European and global levels have evolved in terms of economic investment, social importance and media coverage. However, this evolution has brought with it major political concerns. There is a need of construction of an environment of life where sport events and the multiple activities and interests related to them can be kept safe from any risk and potentially harmful occurrence. The aim of this volume is to highlight the complex set of legal provisions, surveillance and policing practices, discourses, bureaucratic procedures and spatial and architectural forms underpin the security governance of sport events and their effects in the contemporary era of widespread uncertainty.
BOOK
Players and Arenas
Players and Arenas brings together a diverse group of experts to examine the interactions between political protestors and the many strategic players they encounter, such as cultural institutions, religious organizations, and the mass mediaas well as potential allies, competitors, recruits, and funders. Discussing protestors and players as they interact within the arenas of specific social contexts, the essays show that the main constraints on what protestors can accomplish come not from social and political structures, but from other players with different goals and interests. Through a careful treatment of these situations, this volume offers a new way to approach the role of social protest in national and international politics.
eBook
Color reconnection at future e...e... colliders
The effects of color reconnection (CR) at ... colliders are revisited, with focus on recently developed CR models. The new models are compared with the LEP2 measurements for ... and found to lie within their limits. Prospects for constraints from new high-luminosity ... colliders are discussed. The novel arena of CR in Higgs decays is introduced, and it is illustrated by shifts in angular correlations that would be used to set limits on a potential CP-odd admixture of the 125 GeV Higgs state.
Journal Article
Correction: Modeling Drosophila Positional Preferences in Open Field Arenas with Directional Persistence and Wall Attraction
There were errors in the placement of Figures 2-6.
(2012) Correction: Modeling Drosophila Positional Preferences in Open Field Arenas with Directional Persistence and Wall Attraction.
Journal Article
The Dissidence of Reinaldo Arenas
Focusing on the didactic nature of the work of Reinaldo Arenas,
this book demonstrates the Cuban writer's influence as public
pedagogue, mentor, and social activist whose teaching on resistance
to normative ideologies resonates in societies past, present, and
future.
Through a multidisciplinary approach bridging educational,
historiographic, and literary perspectives, The Dissidence of
Reinaldo Arenas illuminates how Arenas's work remains a
cutting-edge source of inspiration for today's audiences,
particularly LGBTQI readers. It shows how Arenas's aesthetics
contain powerful insights for exploring dissensus whether in the
context of Cuba, broader Pan-American and Latinx-U.S. queer
movements of social justice, or transnational citizenship
politics.
Carefully dissecting Arenas's themes against the backdrop of his
political activity, this book presents the writer's poetry, novels,
and plays as a curriculum of dissidence that provides models for
socially engaged intellectual activism.
Publication of this work made possible by a Sustaining the
Humanities through the American Rescue Plan grant from the National
Endowment for the Humanities.
eBook
The flickering connectivity system of the north Andean páramos
Aim: To quantify the effect of Pleistocene climate fluctuations on habitat connectivity across páramos in the Northern Andes. Location: Northern Andes. Methods: The unique páramos habitat underwent dynamic shifts in elevation in response to changing climate conditions during the Pleistocene. The lower boundary of the páramos is defined by the upper forest line, which is known to be highly responsive to temperature. Here, we reconstruct the extent and connectivity of páramos over the last 1 million years (Myr) by reconstructing the upper forest line from the long fossil pollen record of Funza09, Colombia, and applying it to spatial mapping on modern topographies across the Northern Andes for 752 time slices. Data provide an estimate of how often and for how long different elevations were occupied by páramos and estimate their connectivity to provide insights into the role of topography in biogeographical patterns of páramos. Results: Our findings show that connectivity amongst páramos of the Northern Andes was highly dynamic, both within and across mountain ranges. Connectivity amongst páramos peaked during extreme glacial periods but intermediate cool stadials and mild interstadials dominated the climate system. These variable degrees of connectivity through time result in what we term the ‘flickering connectivity system’. We provide a visualization (video) to showcase this phenomenon. Patterns of connectivity in the Northern Andes contradict patterns observed in other mountain ranges of differing topographies. Main conclusions: Pleistocene climate change was the driver of significant elevational and spatial shifts in páramos causing dynamic changes in habitat connectivity across and within all mountain ranges. Some generalities emerge, including the fact that connectivity was greatest during the most ephemeral of times. However, the timing, duration and degree of connectivity varied substantially among mountain ranges depending on their topographical configuration. The flickering connectivity system of the páramos uncovers the dynamic settings in which evolutionary radiations shaped the most diverse alpine biome on Earth.
Journal Article
Smoke of extreme Australian bushfires observed in the stratosphere over Punta Arenas, Chile, in January 2020: optical thickness, lidar ratios, and depolarization ratios at 355 and 532 nm
We present particle optical properties of stratospheric smoke layers observed with multiwavelength polarization Raman lidar over Punta Arenas (53.2∘ S, 70.9∘ W), Chile, at the southernmost tip of South America in January 2020. The smoke originated from the record-breaking bushfires in Australia. The stratospheric aerosol optical thickness reached values up to 0.85 at 532 nm in mid-January 2020. The main goal of this rapid communication letter is to provide first stratospheric measurements of smoke extinction-to-backscatter ratios (lidar ratios) and particle linear depolarization ratios at 355 and 532 nm wavelengths. These aerosol parameters are important input parameters in the analysis of spaceborne CALIPSO and Aeolus lidar observations of the Australian smoke spreading over large parts of the Southern Hemisphere in January and February 2020 up to heights of around 30 km. Lidar and depolarization ratios, simultaneously measured at 355 and 532 nm, are of key importance regarding the homogenization of the overall Aeolus (355 nm wavelength) and CALIPSO (532 nm wavelength) lidar data sets documenting the spread of the smoke and the decay of the stratospheric perturbation, which will be observable over the entire year of 2020. We found typical values and spectral dependencies of the lidar ratio and linear depolarization ratio for aged stratospheric smoke. At 355 nm, the lidar ratio and depolarization ratio ranged from 53 to 97 sr (mean 71 sr) and 0.2 to 0.26 (mean 0.23), respectively. At 532 nm, the lidar ratios were higher (75–112 sr, mean 97 sr) and the depolarization ratios were lower with values of 0.14–0.22 (mean 0.18). The determined depolarization ratios for aged Australian smoke are in very good agreement with respective ones for aged Canadian smoke, observed with lidar in stratospheric smoke layers over central Europe in the summer of 2017. The much higher 532 nm lidar ratios, however, indicate stronger absorption by the Australian smoke particles.
Journal Article