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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
T-cell development provides an excellent model system for studying lineage commitment from a multipotent progenitor. The intrathymic development process has been thoroughly studied. The molecular circuitry controlling it has been dissected and the necessary steps like programmed shut off of progenitor genes and T-cell genes upregulation have been revealed. However, the exact timing between decisio
BACKGROUND: In the European Union alone, more than 100 million people present to the emergency department (ED) each year, and this has increased steadily year-on-year by 2-3%. Better patient management decisions have the potential to reduce ED crowding, the number of diagnostic tests, the use of inpatient beds, and healthcare costs.METHODS: We have established the Skåne Emergency Medicine (SEM) co
This article explores the more-than-human characterization of the Theotokos in the famous Akathistos Hymn. The Mother of God emerged as an intercessional figure in the Christian imagination during late antiquity, but the formative period of mariology is still partly uncharted territory to modern scholarship. Reflecting on its rich landscape imagery and chora language, the article argues that the A
Anterior cruciate ligament (ACL) injury is associated with mechanical instability and defective neuromuscular function, and can lead to further injury, increased joint loading and osteoarthritis. Patients with ACL injury demonstrate altered postural orientation, manifested as observable "substitution patterns" (SPs) but no one has applied a clinically useful method to systematically study postural
PURPOSE: This study aimed to evaluate patient-reported outcomes as well as lower extremity and trunk muscle function in patients with long-standing hip and groin pain, in comparison with matched, healthy controls. It was hypothesized that patients with long-standing hip and groin pain would report more deficiency on the Copenhagen Hip and Groin Outcome Score (HAGOS) and have worse outcomes on perf
Accurate and reliable evaluation of muscle strength in para-athletes is essential for monitoring the effectiveness of strength training and/or rehabilitation programmes, and sport classification. Our aim is to synthesise evidence related to assessing muscle strength in para-athletes. Four databases were searched from January 1990 to July 2021 for observational studies focusing on strength assessme
Local blood flow in the thigh was measured with 133Xe clearance technique in eight male distance runners after compression with a foam rubber compress and a standard elastic bandage. Two degrees of compression were tested, and an initial experiment with rested subjects was followed by a similar experiment immediately after running. Maximum compression exerted a cutaneous pressure of 85 (+/- 8) mm
Syftet med uppsatsen är att undersöka på vilket sätt könsroller och könsnormer tar sig uttryck i realityserien Love is Blind Sverige säsong 2. För att möjliggöra detta har en kvalitativ tematisk innehållsanalys av utvalda avsnitt och händelser utförts. Uppsatsens teoretiska ramverk innefattar teorier kring reality-tv, genus och könets performativitet i reality-tv. Baserat på studiens analys kunde
This study aimed to examine how interrogation techniques in the form of alpha and omega strategies, as well as a rapport-based approach by the interviewer, were related to engagement and information disclosure in intelligence interviews. The study was conducted through observation and coding of 66 interviews involving a total of 19 interviewees and 6 interviewers in a training-based and realistica
Cortical interneuron deficiencies, particularly involving the somatostatin (SST) subtypes, contribute to neurological and neuropsychiatric disorders. These interneurons are difficult to derive in vitro from human embryonic stem cells (hESCs) due to their late embryonic development and dependence on glial interaction. To this end, we developed a three-dimensional co-culture model of hESC-derived ne
Denna artikel undersöker hur innebörden av ekonomisk ersättning kan omdefinieras över tid i svenska familjehemsföräldrars liv. Med utgångspunkt i fyrtio kvalitativa intervjuer visar jag att familjehemsföräldrar initialt kan tona ned eller bortse från de ekonomiska aspekterna av uppdraget, men senare komma att vara beroende av denna inkomst – inte nödvändigtvis av egenintresse, utan som ett sätt atThis article examines how the meaning of financial compensation may be redefined over time in the lives of Swedish foster parents. Drawing on forty qualitative interviews, I demonstrate that while foster parents may initially downplay or disregard the monetary aspects of fostering, they can later come to depend on this income, not necessarily out of self-interest, but as a means of deepening their
Covid-19 En streamad föreläsning om vaccination, med anledning av den pågående pandemin med covid-19. Vaccinationstemat kommer att belysas ur flera olika perspektiv. Introduktion av kvällens moderator (17.30) Joakim Esbjörnsson-Klemendz, docent, Systemvirologi, Lunds universitet Bakgrund om vaccin. Vad kan det skydda mot? (17.40) Kristian Riesbeck, professor och överläkare, Lunds universitet och
https://www.virology.lu.se/sites/virology.lu.se/files/2021-04/210422_vaccination_program%20(002)_0.pdf - 2026-07-18
Board decision on merger of Geology, INES and CEC Page 1 of 10 INFORMATION Reg nr. STYR 2023/166 Date 2023-02-01 Postal address Kansli N, Box 118, 221 00 Lund Visiting address Astronomihuset, Sölvegatan 27 Telephone 046-222 7182, (vxl) 046-222 00 00 E-mail: Tobias.Nilsson@science.lu.se Decision of the Science Faculty Board on the continuation of work towards a merger of CEC, INES and the Departmen
