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The relation between the parity-check matrices of quasi-cyclic (QC) low-density parity-check (LDPC) codes and the biadjacency matrices of bipartite graphs supports searching for powerful LDPC block codes. Algorithms for searching iteratively for LDPC block codes with large girth are presented and constructions based on Steiner Triple Systems and short QC block codes are introduced, leading to new
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Här möts pedagogiken och psykiatrin genom att en pedagog utvidgat sitt verksamhetsområde till vuxenpsykiatrin. Eve Mandre försöker synliggöra den så kallade tysta kunskapen inom specialpedagogisk verksamhet genom att ta fram dess enskilda delar och sätta ord på dem. Hon ser observationer som grund för all individualiserad pedagogik och förmågan att göra bra observationer som ett av lärarens viktig
This presentation discusses how perception of pictures, of foremost faces, might be processed in the brain. Research in cognitive psychology suggests that pictures of faces are processed in to some extent specific areas of the brain (fusiform gyrus), than those showing other objects. Pictures of faces seem to be perceived in a holistic way, that is, dealt with in parallel (several features are pro
