All Employees

Reason for Policy 1.1 The purpose of this Policy is to define the responsibilities for the acquisition, preservation and disposal of capital equipment. Part II Policy Content 2.1 Equipment includes computers, furniture, vehicles, laboratory and other equipment that wa

The Perfect Binary One-Error-Correcting Codes of Length 15: Part I--Classification

A complete classification of the perfect binary one-error-correcting codes of length 15 as well as their extensions of length 16 is presented. There are 5983 such inequivalent perfect codes and 2165 extended perfect codes. Efficient generation of these codes relies on the recent classification of Steiner quadruple systems of order 16. Utilizing a result of Blackmore, the optimal binary one-error-correcting codes of length 14 and the (15, 1024, 4) codes are also classified; there are 38408 and 5983 such codes, respectively.Comment: 6 pages. v3: made the codes available in the source of this pape

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Continual Lifelong Learning with Neural Networks: A Review

Humans and animals have the ability to continually acquire, fine-tune, and transfer knowledge and skills throughout their lifespan. This ability, referred to as lifelong learning, is mediated by a rich set of neurocognitive mechanisms that together contribute to the development and specialization of our sensorimotor skills as well as to long-term memory consolidation and retrieval. Consequently, lifelong learning capabilities are crucial for autonomous agents interacting in the real world and processing continuous streams of information. However, lifelong learning remains a long-standing challenge for machine learning and neural network models since the continual acquisition of incrementally available information from non-stationary data distributions generally leads to catastrophic forgetting or interference. This limitation represents a major drawback for state-of-the-art deep neural network models that typically learn representations from stationary batches of training data, thus without accounting for situations in which information becomes incrementally available over time. In this review, we critically summarize the main challenges linked to lifelong learning for artificial learning systems and compare existing neural network approaches that alleviate, to different extents, catastrophic forgetting. We discuss well-established and emerging research motivated by lifelong learning factors in biological systems such as structural plasticity, memory replay, curriculum and transfer learning, intrinsic motivation, and multisensory integration

The long-term and interannual variability of summer fresh water storage over the eastern Siberian shelf: Implication for climatic change

A time series of summer fresh water content anomalies (FWCA) over the Laptev and East Siberian sea shelves was constructed from historical hydrographic records for the period from 1920 to 2005. Results from a multiple regression between FCWA and various atmospheric and oceanic indices show that the fresh water content on the shelves is mainly controlled by atmospheric vorticity on quasi-decadal timescales. When the vorticity of the atmosphere on the shelves is antycyclonic, approximately 500 km3 of fresh water migrates from the eastern Siberian shelf to the Arctic Ocean through the northeastern Laptev Sea. When the vorticity of the atmosphere is cyclonic, this fresh water remains on the southern Laptev and East Siberian sea shelves. This FWCA represents approximately 35% of the total fresh water inflow provided by river discharge and local sea-ice melt, and is about ten times larger than the standard deviation of the Lena River summer long-term mean discharge. However, the large interannual and spatial variability in the fresh water content of the shelves, as well as the spatial coverage of the hydrographic data, makes it difficult to detect the long-term tendency of fresh water storage associated with climate change

Actualització i adaptació a Catalunya de la guia de pràctica clínica del Sistema Nacional de Salut sobre l’atenció al part normal

Part natural; Guia de pràctica clínica; Natural Childbirth; Practice Guideline; Parto Natural; Guía de práctica clínicaEl part és un esdeveniment transcendental en la vida de les dones i el tipus d’atenció que rebin té importants efectes en elles i en els seus infants, tant físics com emocionals, a curt i a llarg termini, en particular en el cas d’aquelles que consideren fonamental ser protagonistes del seu propi part. Els objectius d’aquesta guia són actualitzar els nivells d’evidència i adaptar les pràctiques més comunes relacionades amb l’atenció al part normal a Catalunya. S’ha elaborat amb el propòsit d’orientar sobre les millors atencions a proporcionar a les dones sanes i els seus nadons durant el part, establint recomanacions basades en l’evidència i la seva avaluació raonada. L’estratègia d’atenció al part normal en el Sistema Nacional de Salut, consensuada per totes les comunitats autònomes, està impulsant una profunda transformació en el model d’atenció al part

Improving the public house in Britain, 1920-40: Sir Sydney Nevile and 'social work'

The ‘improved public house’ movement in the inter-war years was a central part of the shift towards retailing by the brewing industry. An important part of the reform movement was the alliance between certain brewers, notably Whitbread, and ‘social workers’, particularly those associated with the University settlement movement in London. Using the papers of Sydney Nevile, the importance of a particular social milieu is outlined, calling into question attempts to align the movement to improve public houses with transatlantic Progressivism. Rather, this alliance drew upon longstanding English traditions of public service and religious affiliation amongst a fraction of the gentry

COL4A3 is degraded in allergic asthma and degradation predicts response to anti-IgE therapy.

BACKGROUND: Asthma is a heterogeneous syndrome substantiating the urgent requirement for endotype-specific biomarkers. Dysbalance of fibrosis and fibrolysis in asthmatic lung tissue leads to reduced levels of the inflammation-protective collagen 4 (COL4A3). OBJECTIVE: To delineate the degradation of COL4A3 in allergic airway inflammation and evaluate the resultant product as a biomarker for anti-IgE therapy response. METHODS: The serological COL4A3 degradation marker C4Ma3 (Nordic Bioscience, Denmark) and serum cytokines were measured in the ALLIANCE cohort (paediatric cases/controls: n=134/n=35; adult cases/controls: n=149/n=31). Exacerbation of allergic airway disease in mice was induced by sensitising to ovalbumin (OVA), challenge with OVA aerosol and instillation of poly(cytidylic-inosinic). Fulacimstat (chymase inhibitor; Bayer) was used to determine the role of mast cell chymase in COL4A3 degradation. Patients with cystic fibrosis (n=14) and cystic fibrosis with allergic bronchopulmonary aspergillosis (ABPA; n=9) as well as patients with severe allergic uncontrolled asthma (n=19) were tested for COL4A3 degradation. Omalizumab (anti-IgE) treatment was assessed using the Asthma Control Test. RESULTS: Serum levels of C4Ma3 were increased in asthma in adults and children alike and linked to a more severe, exacerbating allergic asthma phenotype. In an experimental asthma mouse model, C4Ma3 was dependent on mast cell chymase. Serum C4Ma3 was significantly elevated in cystic fibrosis plus ABPA and at baseline predicted the success of the anti-IgE therapy in allergic, uncontrolled asthmatics (diagnostic OR 31.5). CONCLUSION: C4Ma3 levels depend on lung mast cell chymase and are increased in a severe, exacerbating allergic asthma phenotype. C4Ma3 may serve as a novel biomarker to predict anti-IgE therapy response