37 research outputs found

    Encephalitis caused by a Lyssavirus in fruit bats in Australia.

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    This report describes the first pathologic and immunohistochemical recognition in Australia of a rabies-like disease in a native mammal, a fruit bat, the black flying fox (Pteropus alecto). A virus with close serologic and genetic relationships to members of the Lyssavirus genus of the family Rhabdoviridae was isolated in mice from the tissue homogenates of a sick juvenile animal

    Rich kids : a history of shopping malls in Tehran and the believers are but brothers - digital lack and excess in a postdigital age

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    This article addresses two recent performances by Javaad Alipoor and Kirsty Housley - Rich Kids: A History of Shopping Malls in Tehran (2019) and The Believers are but Brothers (2017). It argues that they represent a fresh, stripped back and interrogative mode of intermedial performance, marking a clear departure from practices that employ the digital as a spectacular scenographic tool - where the visual excesses of large scale mapped and projected images are there for us to enjoy - as well as from sited, active and playful uses of handheld devices and networked engagements in mixed reality performance. Particularly focusing on the use of audience members’ smartphones and platforms such as Whatsapp and Instagram, I contend that the prompting of these types of interactions in a theatre space generates a productive uneasiness at the intersection of human action and digital process. The article explores these qualities of unease and critical positionings that emerge within the contained spaces created in the performances and how they reveal and heighten the dual lack and excess of contemporary digital content and processes in our lives. In exploring these ideas, I make reference to postdigital theories, discourses of intermediality and critical writing around digital computation

    Value Iteration for Simple Stochastic Games: Stopping Criterion and Learning Algorithm

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    Simple stochastic games can be solved by value iteration (VI), which yields a sequence of under-approximations of the value of the game. This sequence is guaranteed to converge to the value only in the limit. Since no stopping criterion is known, this technique does not provide any guarantees on its results. We provide the first stopping criterion for VI on simple stochastic games. It is achieved by additionally computing a convergent sequence of over-approximations of the value, relying on an analysis of the game graph. Consequently, VI becomes an anytime algorithm returning the approximation of the value and the current error bound. As another consequence, we can provide a simulation-based asynchronous VI algorithm, which yields the same guarantees, but without necessarily exploring the whole game graph.Comment: CAV201

    Newcastle Disease Virus in Madagascar: Identification of an Original Genotype Possibly Deriving from a Died Out Ancestor of Genotype IV

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    In Madagascar, Newcastle disease (ND) has become enzootic after the first documented epizootics in 1946, with recurrent annual outbreaks causing mortality up to 40%. Four ND viruses recently isolated in Madagascar were genotypically and pathotypically characterised. By phylogenetic inference based on the F and HN genes, and also full-genome sequence analyses, the NDV Malagasy isolates form a cluster distant enough to constitute a new genotype hereby proposed as genotype XI. This new genotype is presumably deriving from an ancestor close to genotype IV introduced in the island probably more than 50 years ago. Our data show also that all the previously described neutralising epitopes are conserved between Malagasy and vaccine strains. However, the potential implication in vaccination failures of specific amino acid substitutions predominantly found on surface-exposed epitopes of F and HN proteins is discussed

    Improvisation as a creative dialogue

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    Our paper will describe the creative process of Zaum: Beyond Mind an interactive sound theater performance, and examine the role of improvisation in shaping the piece. Zaum is a modular performance for voice, bandoneon, piano and electronics- integrating both live interactive elements and fixed sounds – with lighting, and video projection. While the creative process included traditional modes of composition, a significant aspect in melding the contribution of two composers - each with a different approach to composition - shares important attributes with improvisation. It is to do with creative listening, adjusting our individual contribution in response to changing contexts, and developing a shared sense of musical pacing and narrative. Improvisation also played a significant role in developing the technological, interactive elements of the piece with a co-evolution of the programming and the performance over a lengthy process of exploration and adjustments. This process, therefore, entails multiple dialogues, musical as well as verbal, between us as a duo and between us and our instruments. On the way we discovered that analytical reflection, despite its connotations of cerebral processes popularly portrayed as in opposition to the spontaneity required in improvisation, played a crucial role in the shaping of the piece
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