197,720 research outputs found

    Products of two sober dcpo\u27s need not be sober

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    We construct two dcpo\u27s whose Scott spaces are sober, but the Scott space of their order product is not sober. This answers an open problem on the sobriety of Scott spaces. Meantime, we show that if MM and NN are special type of sober complete lattices, then the Scott space of their order product M×NM\times N is sober.Typo correction

    Building a Cross-Chain Identity: A Self-Sovereign Identity-Based Framework

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    There is a lack of effort in standardizing how users can connect their identities belonging to different blockchains and how to transfer on-chain data associated with each identity between ledgers. The absence of a general solution for managing a cross-chain identity can cause fragmentation, leading to the possibility of realizing applications that are more prone to security bugs. In this paper, we propose a framework to build a cross-chain identity based on the principles and standards of a new identity management paradigm, i.e., Self-Sovereign Identity (SSI). Promoting the standardization of applications running on the blockchain enhances their security and encourages the adoption of this technology in an increasing number of application contexts. According to the SSI paradigm, users create and update their identities in a blockchain without intermediaries. Following this principle, our framework does not require intermediaries to transfer identity-associated data from a source blockchain to a target blockchain. We realize that using a blockchain relay, an interoperability solution for storing and validating the headers of the source blockchain on the target blockchain. In our paper, we provide a new relay, the StateRelay, reducing the final usage costs for users willing to realize a cross-chain identity. We will show this by comparing its costs, in terms of transaction fees, with the other relay solutions in the literature

    Building the “Mecca” of Recovery: The St. Paul Sober House Network

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    This research was supported by the Undergraduate Research Opportunities Program (UROP).Carufel, Jeanelle, M; Gowan, Teresa. (2020). Building the “Mecca” of Recovery: The St. Paul Sober House Network. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/212948

    Carrying Water: A M.F.A. Thesis Exhibition by Aaron Sober

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    For all of us, everyday life is punctuated by moments of victory, defeat, pride, and vulnerability. The process of welcoming gain and tolerating loss is a basic lesson in proportionality. My work is a personal reckoning with the contradictions that define this very human experience. Through animal imagery, symbol, and metaphor I explore the unpredictable circumstances that form a life lived. We engage with, and understand our own place in the world through stories. By doing so, the avatars we create reflect the scope of our experiences, both sublime and damaged. The animal protagonists who inhabit my work are placeholders in my own personal narrative. They act as I do: sometimes facing challenges with resolve, at other times disarmed by circumstance. In life, misfortune can strike with apparent randomness. Our strength is tested by loss, the failings of our own physical bodies, and the other countless demands of the day to day. Although the chains which bind us to the human condition are far different than the bridling of a mule, the will to shake free of the harness, either actual or metaphorical, is basic. Animals are used in my work to describe a human corollary and provoke feelings of vulnerability, powerlessness, and calamity. By placing them in impossible and dangerous situations, I avoid the trappings of sentimentality. My work describes an imperfect world. However, I allude to the hopeful: Flags and banners symbolize a pride and self-identification amidst the wreckage. There remains an admirable grace in tools that are broken, patched, and put to rest after their labor is complete. The contradictions found in both nature and the human experience guides my work. The symbols and images I select are meant to create a language that expresses a Rural Noir. An established genre in literature, Rural Noir describes the hardscrabble, gothic, and punishing environment that can occur far from the last stoplight or gas station. This place, of promises broken and the threat of violence, locates my work psychologically. Symbols such as the mule, axe, and tree stump describe a feral and basic existence: Hand tools are both implements of violence and also essential to constructing home and hearth. They symbolize both the urge to violently tear down obstacles and a willingness to build upon a foundation of strength. The imagery in my work is a personal vocabulary about the experience of surviving misfortune and finding grace within adversity. Related in tone, these images are abstracted, dark, and sometimes uncomfortable. As symbols, they often carry multiple meanings: The depiction of banners and flags represent both self-identification and the tearing of garments associated with funerals. This multiplicity of meaning is essential throughout the work by rendering the narrative opaque. Each piece is a personal parsing of ideas and symbols. The definitive meaning is an act of discovery, sometimes completed, but not obligatory. The forms I employ are intended to reference the visual language of basic physical labor. Although the implications of rural decay can be threatening, weathered tools, unused barns, or abandoned wells hold a narrative rich in associations. These forms not only provide context for the images on their surface, but also act a lure to draw the viewer in. I intend for my work to exist in the mind as both an object of use, and as a vehicle for content. With its long history of utility, clay is uniquely amenable to this goal. By using vessels as a vehicle for content, I provide a sense of familiarity and comfort to the viewer, while simultaneously creating unease through form and imagery. My work is an act of catharsis and communication. I labor to make tangible the experience of confusion, mystery, and difficulty that are an honest accounting of life. In doing so, I hope to communicate with the viewer at an emotional level, transcend a small measure of the seemingly senseless whims of circumstance, and embrace the contradictions that make each of us flawed and weak, but ultimately perfect. Advisor: Peter Pinnel

    Dr. Duane M. Jackson, Morehouse College, July 2011

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    This video is a conversation with Dr. Duane M. Jackson. Dr. Jackson talks about his paper, "Recall and the Serial Position Effect: The Role of Primacy and Recency on Accounting Students' Performance." Jackie Daniel, AUC Woodruff Library, is the interviewer

    ON SOBER PLATONISM: NEW PERSPECTIVES IN MATHEMATICAL PLATONISM BEYOND STRONG ONTOLOGICAL ASSUMPTIONS

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    This work aims at analyzing a trend which in recent years has been developed in mathematical Platonism. I have identified four theories which seem to me paradigmatic of this new trend: Full-Blooded Platonism by Mark Balaguer, ante rem Structuralism by Stewart Shapiro, Abstract Object Theory by Edward Zalta and Trivialism by Agustìn Rayo. These four theories share a platonist attitude towards mathematical objects, assuming that mathematical objects, as the reference of the terms in mathematical statements, actually exist. But contrary to classical mathematical Platonism, their ontological assumptions are so moderate, or sober, as to give the impression that these theories aren’t even genuinely platonist. I therefore propose to call ‘Sober Platonism' those approaches that support Platonism, without endorsing strong ontological commitment. The key feature of this trend is that the assumption of the existence of mathematical objects is no longer considered the starting-point of a theory of mathematical objects, but becomes a necessary condition to the occurrence of a fact: the human mind accesses to mathematical knowledge. Consequently, mathematical objects must exist and be such as to make possible a connection between mathematical objects and the human mind. Hence, the ultimate aim of Sober Platonism is to obtain a description of mathematics as practiced, which does not impose any philosophical constrain, but is able to answer philosophical questions. The first chapter of this work is devoted to the analysis of classical mathematical Platonism. I propose to consider this line of thought as the sum of three major theses: Independence (mathematical objects are independent of human thought and practices), Existence (mathematical objects exist) and Epistemology (mathematical objects are knowable). The latter thesis is further divided into three sub-theses: Theory of Knowledge, Reference and Truth. In the second, third, fourth and fifth chapter I discussed the proposals of the four aforementioned authors, matched together by their implicit, or sober, ontological commitment towards mathematical objects. These four theories take into account the existence of mathematical objects, the possibility to access to mathematical knowledge, the meaning of mathematical statements and the reference of their terms as philosophically relevant questions. Their main objective, however, is rather the development of an accurate description of mathematics in its autonomy. In the last chapter I have defined Sober Platonism through its adherence to the same theses to which classical Platonism adheres, Independence, Existence and Epistemology (again analyzed as Theory of Knowledge, Reference and Truth). After a comparative evaluation, it becomes clear that Sober Platonism assumes largely what is assumed by classical Platonism. The real element of distinction lies in the relationship between philosophy and mathematics, since in Sober Platonism the autonomy and dignity of mathematics are clearly established. The proper role of Philosophy is then to deliver a methodological description of how mathematics is performed, rather than a normative prescription of how mathematics should be performed. Beyond the results that may be achieved until today, Sober Platonism promises to have what it takes to reduce the importance of at least some of those issues that seems to be relevant to the philosophy of mathematics, but are not relevant for mathematics as practiced. In conclusion, Sober Platonism offers both an innovative approach in the philosophy of mathematics, and a fruitful contribution in providing both philosophy and mathematics with a genuine domain of inquiry

    "Reflections on the subject of Emigration from Europe with a view to Settlement in the United States" By M. Carey.

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    "Reflections on the subject of Emigration from Europe with a view to Settlement in the United States: containing bried sketches of the moral and political character of those states. By M. Carey, member of the American philosophical, and of the American Antiquarian Society, and author of The Olive Branch, Cindiciae Hibernicae, essays on banking, on political economy, and on internal improvement. To which are now added the English editor's comments on the subject; together with Important Advice to Emigrants, and Cautions Against Impositions Practiced in the Outports

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods

    Dr. Glendon Swarthout

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    Hosted by Roger M. Busfield, MSU Assistant Professor of Speech and Theater, Meet the Author is designed to introduce a general audience to a contemporary author and their work through in-depth interviews. This episode features a conversation between Dr. Glendon Swarthout, prolific author and English professor at MSU, and assistant professors Sam S. Baskett and Theodore B. Strandness

    The sober rave project: investigating the acceptability and personal experiences of alcohol-free dance events

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    Our research is an innovative, European-wide collaborative investigation into the benefits of alcohol-free events, otherwise known as ‘sober raves’. Much of the existing behaviour work which focuses on preventing and regulating maladaptive alcohol misuse suggests individuals act rationally in choosing to consume alcohol. However, intentions and other cognitive mediators often fail to map onto actual behaviour and do not explain why individuals continue to carry out risky health-risk behaviours, despite being aware of the associated risks. Substance use is also often driven by the pursuit of pleasure, rather than by the avoidance of harms. For example, many young people get social pleasures from drinking alcohol, but due to limited alcohol-free socialising opportunities non-drinkers can feel stigmatised. Our research is focusing on the perceived acceptability, attitudes and perceptions of a range of alcohol-free events for young people across Europe. Following the first stage of this research project, we hope to explore how these types of events could be used as a means of reducing alcohol consumption in young people
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