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Th e performance of a mean field th eory (MFT) neu ralnetwork technique for finding approximate solutions to optimi zationproblems is invest igat ed for the case of th e minimum cut graph bisection problem, which is NP- complete. We address the issues of solut ionquality, programming complexity, convergence tim es and scala bility.Both standard random gr aphs an d mor e st ruct ured geomet ric gra
Based on t he Boltzmann Machine concept, we derive alear ning algorithm in which time-consuming stochastic measurementsof correlations a re replaced by solutions to dete rminist ic mean fieldtheory equ ations. T he method is applied to t he XOR (exclusive-or ),encoder, and line sym metry problems with substantial success. Weobserve speedup facto rs ranging from 10 to 30 for these ap plicat ionsand
We propose a simple architecture for implementing supervised neural network models optically with photorefractive technology. The architecture is very versatile: a wide range of supervised learning algorithms can be implemented including mean-field-theory, backpropagation, and Kanerva-style networks. Our architecture is based on a single crystal with spatial multiplexing rather than the more commo
Many studies have underscored the impacts of drought on ecosystems, and some researchers reported the effects of accumulated soil moisture deficit (ASMD) on light use efficiency (LUE) in grassland. However, the potential effects of ASMD on gross primary productivity (GPP) and LUE for both cropland and forest ecosystems are still not understood. This study elucidated the effects of accumulated and
BACKGROUND: Patients undergoing hepato-pancreato-biliary surgery are typically preoperatively assessed using the American Society of Anesthesiologists (ASA) classification, which is also used for case-mix adjustment when comparing centre outcomes. Studies determining the inter-rater variability of the ASA classification within hepato-pancreato-biliary surgery are currently lacking.METHODS: An inte
OBJECTIVES: We sought to explore 25-year trends of gender disparity in the prevalence of obesity and overweight both in urban and rural areas among Chinese children from 1985 to 2010.METHODS: Data included 1 280 239 children aged 7-18 years enrolled in the Chinese National Survey on Students's Constitution and Health (CNSSCH), which is the largest nationally representative sample of school-aged ch
BACKGROUND: Medication discrepancies in care transitions and medication non-adherence are problematic. Few interventions consider the entire process, from the hospital to the patient's medication use at home.AIM: In preparation for randomised controlled trials (RCTs), this study aimed (1) to investigate the feasibility of recruitment and retention of patients, and data collection to reduce medicat
Space activity is rapidly developing, increasing globally in public and private sectors, and subject to competition amongst dominant spacefaring actors. Global space governance is discordant with the contemporary environment motivating international efforts to develop it. Since 2021 the European Union (EU) is intensively developing space policy and strategies. This dissertation contributes to stud
The advent of new technologies for single-cell RNA sequencing analyses has resulted in the discovery that the myeloid compartment in the tumor microenvironment (TME) is far more complex than previously appreciated, and that intrinsic and extrinsic factors in the TME highly influence the immunosuppressive or active states of these cell types. There is now a need to develop multiplex assays to ident
Tentamen 2007-03-09 Uppgift 1 En patient har ordinerats strålbehandling med två motstående fält för en metastas i en ryggkota, se figur nedan. I punkt A (som också är isocenter) önskas 30 Gy, uppdelat på 10 fraktioner. För att åstadkomma en homogen dos i target vill man ha så lika vikt som möjligt för de båda fälten. I punkt B, som representerar tarmarna, vill man emellertid inte överstiga 2.5 Gy
https://www.msf.lu.se/sites/msf.lu.se/files/7._ovningsuppgifter.pdf - 2026-07-04
Generating regionalized neuronal cells from pluripotency, a step-by-step protocol METHODS ARTICLE published: 03 January 2013 doi: 10.3389/fncel.2012.00064 Generating regionalized neuronal cells from pluripotency, a step-by-step protocol Agnete Kirkeby*, Jenny Nelander and Malin Parmar Department of Experimental Medical Science and Lund Stem Cell Center, Lund University, Lund, Sweden Edited by: Cla
Sida 1 av 4 Fakultetsstyrelsen PROTOKOLL Datum 2026-02-11 STYR 2026/348 Fakultetsstyrelsens protokoll Närvarande Ledamöter Per Persson, professor, dekan, ordförande Peter Samuelsson, professor Philipp Birken, professor Susanna Horsefield, professor Carina Rasmussen, forskningsingenjör Camilla Christensson, allmänrepresentant Lars-Johan Lyttkens Lindén, bibliotekarie Karin Rengefors, professor, pro
Environmental factors in the etiology of type 1 diabetes, celiac disease, and narcolepsy Pediatric Diabetes 2016: 17(Suppl. 22): 65–72 doi: 10.1111/pedi.12390 All rights reserved © 2016 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd. Pediatric Diabetes Review Article Environmental factors in the etiology of type 1 diabetes, celiac disease, and narcolepsy Lernmark Å. Environmental facto
https://www.teddy.lu.se/sites/teddy.lu.se/files/2021-11/59%2011042016_679_59_REVIEW_Lernmark_PedDiab_2016.pdf - 2026-07-04
Painful Pasts and U seful M em ories R em em bering and Forgetting in Europe Lund 2012 Edited by: Barbara Törnquist-Plewa & Niklas Bernsand CENTRE FOR EUROPEAN STUDIES AT LUND UNIVERSITY Painful Pasts and Useful Memories Remembering and Forgetting in Europe CFE Conference Papers Series No. 5 | Lund 2012 In order to bring research in Memory Studies conducted in the Nordic countries together, to con
https://www.cfe.lu.se/en/sites/cfe.lu.se.en/files/2020-12/cfecp5.pdf - 2026-07-04
untitled BEYOND TRANSITION? MEMORY AND IDENTITY NARRATIVES IN EASTERN AND CENTRAL EUROPE EDITED BY: BARBARA TÖRNQUIST-PLEWA, NIKLAS BERNSAND & ELEONORA NARVSELIUS CENTRE FOR EUROPEAN STUDIES AT LUND UNIVERSITY 2015 1 BEYOND TRANSITION? MEMORY AND IDENTITY NARRATIVES IN EASTERN AND CENTRAL EUROPE 2 3 BEYOND TRANSITION? MEMORY AND IDENTITY NARRATIVES IN EASTERN AND CENTRAL EUROPE Edited by: Barbara
https://www.cfe.lu.se/en/sites/cfe.lu.se.en/files/2020-12/cfecp7.pdf - 2026-07-04
Kursanalys för GEOB21, Livets utveckling och jordens klimat HT-1 2022 Sammanfattande omdöme och jämförelse med tidigare kursanalyser Liksom de senaste fyra åren baseras denna kursanalys främst på den webbaserade enkät med frågor av generell karaktär om hela GEO821 som studenterna hade möjlighet att besvara under två veckor efter kursens slut. Därutöver beaktas relevanta delar av de separata delkur
https://www.geologi.lu.se/sites/geologi.lu.se/files/2023-02/GEOB21%202023-02-14_kursanalys_signerad.pdf - 2026-07-04
