3,815 research outputs found

    The lattice point counting problem on the Heisenberg groups

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    We consider the radial and Heisenberg-homogeneous norms on the Heisenberg groups given by Nα,A((z,t))=(∣z∣α+A∣t∣α/2)1/αN_{\alpha,A}((z,t)) = \left(|z|^\alpha + A |t|^{\alpha/2}\right)^{1/\alpha}, for α≄2\alpha \ge 2 and A>0A>0. This natural family includes the canonical Cygan-Kor\'anyi norm, corresponding to α=4\alpha =4. We study the lattice points counting problem on the Heisenberg groups, namely establish an error estimate for the number of points that the lattice of integral points has in a ball of large radius RR. The exponent we establish for the error in the case α=2\alpha=2 is the best possible, in all dimensions

    Scenario Adaptation for Creative and Transformative Innovation

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    In these times of crisis, it has been proposed that we need to consider wider more radical and even transformative innovation potentials to meet future challenges. Considering this, also futures scenarios should include more diverse interpretations within its work to aid in this endeavour. In this thesis, this challenge is explored by combining two innovation-rich arenas of the Creative and the Transformative that are represented by the Creative Economy and Green Growth, in order to widen the innovation potential. These constantly developing policy and rich discourse areas, are seen as a drivers and engines of growth. Combined these offer broader tools and perspectives in which to widen an understanding of future structural transformation. This type of transformed regime is explored through a proposed method scenario adaptation, that intertextually reads futures workshop and scenario results as text. that are read through innovation styles from creative economy and green growth literature (via a method of style matrix). Specifically, combined it is proposed that these flesh-out an alternative scene of a future sustainable system. This produces an adapted scenario in the form of a vignette. The results of the workshop, focused on one set scenario that was based on a future peer to peer energy setting. Beyond the successful renewable energy implications already expertly analysed in a wider Neo-Carbon Energy research project. One specific chosen scenario in its own right gives a glimpse into a future preferable sustainable regime. The research results highlighted themes of crisis and recovery, and important role of knowledge spillovers. The traits and characteristics of transformative agency reveal changes in values required to achieve an advanced future system, but also the challenges and their essential support systems. The desire of this study is to propose and demonstrate the method of scenario adaptation, that can envisage alternative future transformations

    Economic Sanctions and International Security

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    Leveraging Thousands of Contrail Observations from GLOBE Citizen Scientists

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    The GLOBE (Global Learning and Observations to Benefit the Environment) Program is NASA's largest and longest-operating citizen science program contributing Earth observations. Over 800,000 cloud observations have been reported worldwide since YEAR that include reports of short-lived, persistent, and persistent-spreading contrails. While contrails can be challenging to observe with space-borne platforms, humans are adept at spotting contrails from the ground. The NASA GLOBE Clouds team at NASA Langley Research Center in Hampton, Virginia matches cloud observations to multiple satellite platforms for comparison, including: NASA's CERES (Clouds and Earth's Radiant Energy System) instrument onboard Terra and Aqua, CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation), and geostationary satellites. A pilot project was started with select students in the United States to track airplanes above 25,000 ft and report airplane type, altitude, and report if a contrail was being or was not being produced. The objective of the pilot project was to establish if this is a scalable approach for building an international observational dataset documenting what types of airplanes are creating what types of contrails (short-lived, persistent, spreading) under what atmospheric conditions. Preliminary results of this pilot project will be presented

    Predicting narrow states in the spectrum of a nucleus beyond the proton drip line

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    Properties of particle-unstable nuclei lying beyond the proton drip line can be ascertained by considering those (usually known) properties of its mirror neutron-rich system. We have used a multi-channel algebraic scattering theory to map the known properties of the neutron-14{}^{14}C system to those of the proton-14{}^{14}O one from which we deduce that the particle-unstable 15{}^{15}F will have a spectrum of two low lying broad resonances of positive parity and, at higher excitation, three narrow negative parity ones. A key feature is to use coupling to Pauli-hindered states in the target.Comment: 5 pages, 3 figure

    Scenario Adaptation for Creative and Transformative Innovation

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    In these times of crisis, it has been proposed that we need to consider wider more radical and even transformative innovation potentials to meet future challenges. Considering this, also futures scenarios should include more diverse interpretations within its work to aid in this endeavour. In this thesis, this challenge is explored by combining two innovation-rich arenas of the Creative and the Transformative that are represented by the Creative Economy and Green Growth, in order to widen the innovation potential. These constantly developing policy and rich discourse areas, are seen as a drivers and engines of growth. Combined these offer broader tools and perspectives in which to widen an understanding of future structural transformation. This type of transformed regime is explored through a proposed method scenario adaptation, that intertextually reads futures workshop and scenario results as text. that are read through innovation styles from creative economy and green growth literature (via a method of style matrix). Specifically, combined it is proposed that these flesh-out an alternative scene of a future sustainable system. This produces an adapted scenario in the form of a vignette. The results of the workshop, focused on one set scenario that was based on a future peer to peer energy setting. Beyond the successful renewable energy implications already expertly analysed in a wider Neo-Carbon Energy research project. One specific chosen scenario in its own right gives a glimpse into a future preferable sustainable regime. The research results highlighted themes of crisis and recovery, and important role of knowledge spillovers. The traits and characteristics of transformative agency reveal changes in values required to achieve an advanced future system, but also the challenges and their essential support systems. The desire of this study is to propose and demonstrate the method of scenario adaptation, that can envisage alternative future transformations.</p

    Climate change and Pacific Island food systems

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    Climate change in Pacific Island countries and territories (PICTs) is projected to have significant impacts, including rising sea-levels, more violent tropical cyclones and droughts. Fish stocks in the tropical regions of the Pacific are expected to be directly affected by any changes that may occur in the ocean’s ecosystem. The four alternative scenarios of the future of the Pacific food systems that are reported in this booklet provide important insights into the different dimensions of the food system, including fisheries and forests, trade, affordability and consumption, and public health. The scenarios offer essential information for policy-makers, in order for them to be able to test and take steps toward developing policies that enhance resilience and strengthen adaptation to climate change among fishers and farmers in the Pacific region

    Highlighting Media & Journalism Futures 2030 : Survey on Weak Signals and Emerging Issues

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    In 2030 Media is undergoing a state of change becoming more customized toward individual, massive data driven and more intertwined within society. An emerging cross-cutting platform of diverse actors, with global access to media and information implies a much more complicated media culture. The meaning of a certain line of new journalism is enhanced. It is becoming more ethical, independent, collaborative, and networked, with better quality and better informed premises. Further, journalism riding in the same arena as gossip and automated information publication has to enhance its journalistic quality in order to differentiate itself and underline its authenticity. Individual authentic voice resonates while the journalistic ability is combined with editorial and production skills. Respondents’ answers in the survey cover many categories foreseeing the roles and functions of media and journalism where a democratic distribution of media content and access leads to a customised individualised media, “from 'us', to 'I'”. Moreover, new journalism is foreseen to emerge amidst a complex global networked culture. The MEDEIA research project anticipated new roles and functions for media in the emerging societal structure we call the Digital Meanings Society. It was carried out at Finland Futures Research Centre (FFRC), University of Turku during 2013–2015, and funded by the Media Industry Research Foundation of Finland, the Building Information Foundation, e21 Solutions, Teknologiainfo Teknova, Ministry of Transport and Communications and TeliaSonera

    Rethinking Smart City Futures Through Greensight

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    Decoding The Smart City, NordiCHI 2020 workshop Position paper:With this paper,we propose the use of the concept of Greensightas a futures studies approach to explore the broader,more philosophical understanding of the smart city and its impact. With this,explored are different types of “data” sets that are guided by the relationships:human, tangible, and intangible. Ultimately, in ”decoding the smart city,” we are explore more deeply into the methods for assessment from a more humanistic view and looking at how that relates to its transformation, and relationship inside the built environment and in connection with its natural enabling systems.</p

    Constructive conversations on resilient urban futures

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    This publication is a co-created compilation of various conversations concerning our possibilities and pathways towards resilient urban futures. A series of interviews conducted so far within the Real Estate and Sustainable Crisis Management in Urban Environments (RESCUE) project on several occasions – such as conferences, research visit – have been documented here to give food for thinking and discussions concerning resilience. The questions of the interviews have been tailor-made to address the expertise of each interviewee, while the core of interviews touches upon the topic of urban resilience in its all dimensions as well as the issues of forward-looking thinking and action. Another type of anticipatory method, as a conversational tool we wish to experiment with, is a narrative. The researchers of the RESCUE project chose an actual case area for reviewing its crisis resilience as well as potential for wellbeing of its residents and the preservation of the environment. The related conversations were used to construct a narrative of the area in 2050 and test an imagined pathway towards resilience. The narrative is a work in progress – meant to be used for reflections, elaborations, discussions and further narratives among its readers, stakeholders to the area and the topic at hand as well those interested in designing and constructing resilient urban futures
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