Helbing, Dirk, Johansson, Anders
Evolutionary game theory has been successfully used to investigate the dynamics of systems, in which many entities have competitive interactions. From a physics point of view, it is interesting to...
Constant net-time headway as key mechanism behind pedestrian flow dynamics (2009)
We show that keeping a constant lower limit on the net-time headway is the key mechanism behind the dynamics of pedestrian streams. There is a large variety in flow and speed as functions of density...
Experimental study of the behavioural mechanisms underlying self-organization in human crowds (2009)
Moussaid, Mehdi, Helbing, Dirk, Garnier, Simon, Johansson, Anders, Combe, Maud, Theraulaz, Guy
In animal societies as well as in human crowds, many observed collective behaviours result from self-organized processes based on local interactions among individuals. However, models of crowd...
Johansson, David, Kosovac, Eldina, Moharer, Jasmin, Ljuslinder, Ingrid, Brännström, Thomas, Johansson, Anders, ...
Abstract Background The prerequisite for the potential use of the bacterial toxin verotoxin-1 in the treatment of breast cancer was investigated by first determining the expression of its receptor...
Quality assurance means to systematically work for better understanding of the customers needs, demands and expectations. The goal for this study was to investigate how quality can be assured in the...
Biopolitics and Reflexivity : A Study of GMO Policymaking in the European Union (2009)
The political discourse that has emerged as a consequence of establishing a European regulatory framework for GMOs has not been without problems. This dissertation addresses the political and...
New biomarkers are needed to improve knowledge about pathophysiology, in order to provide earlier correct diagnosis and to follow disease progression of the neurodegenerative diseases amyotrophic...
Johansson, Anders, Stenlund, Erik
Omvårdnadsrelationen och omvårdnadsmötet är omvårdnadens livsrum. Ett vårdmöte med tolk inblandad borde ses som en interaktion mellan tre eller möjligen fler personer. Detta arbete syftar...
Bolagsvärdering enligt valuebased management : - tillämpning på Skistar (2009)
Myhr, Johan, Johansson, Anders
Level: Thesis in Business AdministrationDate: 20009-06-11Authors: Anders Johansson & Johan MyhrE-mail: anders@clubsilk.nu, johan@clubsilk.nuTutor: Mona AnderssonTitle: Company valuation...
New biomarkers are needed to improve knowledge about pathophysiology, in order to provide earlier correct diagnosis and to follow disease progression of the neurodegenerative diseases amyotrophic...
Biopolitics and Reflexivity : A Study of GMO Policymaking in the European Union (2009)
The political discourse that has emerged as a consequence of establishing a European regulatory framework for GMOs has not been without problems. This dissertation addresses the political and...
Johansson, Anders, Stenlund, Erik
Omvårdnadsrelationen och omvårdnadsmötet är omvårdnadens livsrum. Ett vårdmöte med tolk inblandad borde ses som en interaktion mellan tre eller möjligen fler personer. Detta arbete syftar...
Stereoscopy : Fooling the Brain into Believing There is Depth in a Flat Image (2009)
Stereoscopy is a technique that can create an illusion of depth in a flat image. There are many different methods to do this, and here is explained some of the most common and popular ways, with a...
Orsaken till att jag har valt just detta anfall som Rommel genomförde i det tolfte slaget är att det är fascinerande och banbrytande hur löjtnanten Rommel med sin lilla enhet utmanövrerar stora...
Analytical and Numerical Investigation of Ant Behavior Under Crowded Conditions (2008)
Peters, Karsten, Johansson, Anders, Dussutour, Audrey, Helbing, Dirk
Swarm intelligence is widely recognized as a powerful paradigm of self-organized optimization, with numerous examples of successful applications in distributed artificial intelligence. However, the...
Johansson, Anders, Helbing, Dirk, Shukla, Pradyumn
Based on suitable video recordings of interactive pedestrian motion and improved tracking software, we apply an evolutionary optimization algorithm to determine optimal parameter specifications for...
From Crowd Dynamics to Crowd Safety: A Video-Based Analysis (2008)
Johansson, Anders, Helbing, Dirk, Al-Abideen, Habib Z., Al-Bosta, Salim
The study of crowd dynamics is interesting because of the various self-organization phenomena resulting from the interactions of many pedestrians, which may improve or obstruct their flow. Besides...
SQUARE SUMMABILITY OF VARIATIONS AND CONVERGENCE OF THE TRANSFER OPERATOR (2008)
Anders Johansson, Anders Öberg, Anders Johansson, Anders Öberg
Abstract. In this paper we study the one-sided shift operator on a state space defined by a finite alphabet. Using a scheme developed by Walters [13], we prove that the sequence of iterates of the...
Multifractal analysis of non-uniformly hyperbolic systems (2008)
Johansson, Anders, Jordan, Thomas, Öberg, Anders, Pollicott, Mark
We prove a multifractal formalism for Birkhoff averages of continuous functions in the case of some non-uniformly hyperbolic maps, which includes interval examples such as the Manneville--Pomeau map.
Johansson, Anders, Unell, Lennart, Carlsson, Gunnar E., Söderfeldt, Björn, Halling, Arne
OBJECTIVE: To assess possible changes in the prevalence of four temporomandibular disorder (TMD) symptoms reported by subjects at age 50 and again 10 years later. MATERIAL AND METHODS: Identical...
Acoustic Sound Source Localisation and Tracking - in Indoor Environments (2008)
With advances in micro-electronic complexity and fabrication, sophisticated algorithms for source localisation and tracking can now be deployed in cost sensitive appliances for both consumer and...
Countable state shifts and uniqueness of g -measures (2007)
Johansson, Anders., Öberg, Anders., Pollicott, Mark.
American Journal of Mathematics - Volume 129, Number 6, December 2007
Modeling Crowd Turbulence by Many-Particle Simulations (2007)
Yu, Wenjian, Johansson, Anders
A recent study [D. Helbing, A. Johansson and H. Z. Al-Abideen, {\it Phys. Rev. E} 75, 046109 (2007)] has revealed a "turbulent" state of pedestrian flows, which is characterized by sudden...
Crowd turbulence: the physics of crowd disasters (2007)
Helbing, Dirk, Johansson, Anders, Al-Abideen, Habib Z.
The panic stampede is a serious concern during mass events like soccer championship games. Despite huge numbers of security forces and crowd control measures, hundreds of lives are lost in crowd...
Aid required to halving poverty in Tanzania until 2015 (2007)
Johansson, Anders, Lindberg, Joakim
Halving poverty until 2015 is something that all member states of United Nation have agreed up on by adopting the Millennium Development Goals MDG in 1991. The question asked in this paper is how...
Aid required to halving poverty in Tanzania until 2015 (2007)
Johansson, Anders, Lindberg, Joakim
Halving poverty until 2015 is something that all member states of United Nation have agreed up on by adopting the Millennium Development Goals MDG in 1991. The question asked in this paper is how...
The Dynamics of Crowd Disasters: An Empirical Study (2007)
Helbing, Dirk, Johansson, Anders, Al-Abideen, Habib Zein
Many observations in the dynamics of pedestrian crowds, including various self-organization phenomena, have been successfully described by simple many-particle models. For ethical reasons, however,...
Johansson, Anders, Chew, Michelle
Abstract is not available
Square summability of variations and convergence of the transfer operator (2006)
Johansson, Anders, Öberg, Anders
In this paper we study the one-sided shift operator on a state space defined by a finite alphabet. Using a scheme developed by Walters [13], we prove that the sequence of iterates of the transfer...
Template-Based fabrication of Nanostructured Materials (2006)
Materials prepared on the nanoscale often exhibit many different properties compared to the same materials in their bulk-state. Interest in nanostructured materials has increased because of these...
Template-Based fabrication of Nanostructured Materials (2006)
Materials prepared on the nanoscale often exhibit many different properties compared to the same materials in their bulk-state. Interest in nanostructured materials has increased because of these...
Water repellent agents, today mainly consisting of alkylalkoxysilanes, are often used on concrete to prolong the service life of the structure. This is accomplished by protecting the reinforcement...
Water repellent agents, today mainly consisting of alkylalkoxysilanes, are often used on concrete to prolong the service life of the structure. This is accomplished by protecting the reinforcement...
Analytical Approach to Continuous and Intermittent Bottleneck Flows (2006)
Helbing, Dirk, Johansson, Anders, Mathiesen, Joachim, Jensen, Mogens H., Hansen, Alex
We propose a many-particle-inspired theory for granular outflows from a hopper and for the escape dynamics through a bottleneck based on a continuity equation in polar coordinates. If the inflow is...
Johansson, Anders, Aspan, Anna, Bagge, Elisabeth, Båverud, Viveca, Engström, Björn E, Johansson, Karl-Erik
Abstract Background Clostridium perfringens , a serious pathogen, causes enteric diseases in domestic animals and food poisoning in humans. The epidemiological relationship between C. perfringens...
Förbättrad lager- och produktionsstyrning : vid tillverkning mot kundorder på Rimaster AB (2006)
Hägglund, Andreas, Johansson, Anders
This Master Thesis has been carried out at Rimaster AB in Rimforsa, a sub-contractor in electronics and mechatronics. Rimaster AB has 140 employees and an approximate annual turnover of 116 MSEK. The...
Förbättrad lager- och produktionsstyrning : vid tillverkning mot kundorder på Rimaster AB (2006)
Hägglund, Andreas, Johansson, Anders
This Master Thesis has been carried out at Rimaster AB in Rimforsa, a sub-contractor in electronics and mechatronics. Rimaster AB has 140 employees and an approximate annual turnover of 116 MSEK. The...
Clostridium perfringens the causal agent of necrotic enteritis in poultry (2006)
Clostridium perfringens, an anaerobic Gram-positive bacterium known to be a common pathogen in humans, domestic animals and in wildlife, is the primary cause of clostridial enteric disease in...
Template-based fabrication of nanostructured materials [electronic resource] / (2006)
System requirements: Adobe Reader.
Template-based fabrication of nanostructured materials (2006)
Thesis (Ph. D.)--Uppsala universitet, 2006.
Triangle factors in random graphs (2006)
A triangle factor of a graph G = (V, E) on n = |V | = 3k vertices, is a subgraph of G consisting of k vertex-disjoint triangles. A result by Krivelevich [9] states that a triangle factor exists in...
En studie kring drograttfylleribrott (2006)
Johansson, Anders, Zeljic, Dragan
Detta arbete handlar om rattfylleri med narkotikaklassat preparat i blodet. Polisen har den senaste femårsperioden fördubblat sina anmälningar med drograttfylleri. Vi har studerat polisen i...
No man is an island : Omvälvande livssituationer (2005)
Henriksson, Johanna, Westermark, Thomas, Alm Mäntyniemi, Lina, Sundén, Elin, Lehnbom, Carin, Johansson, Anders
This anthology covers subjects such as beeing involuntary sterile, adoption, coping with desease, death and anxiety. All chapters are based on observations and interviews analyzed with Grounded...
No man is an island : Omvälvande livssituationer (2005)
Henriksson, Johanna, Westermark, Thomas, Alm Mäntyniemi, Lina, Sundén, Elin, Lehnbom, Carin, Johansson, Anders
This anthology covers subjects such as beeing involuntary sterile, adoption, coping with desease, death and anxiety. All chapters are based on observations and interviews analyzed with Grounded...
Countable state shifts and uniqueness of g-measures (2005)
Johansson, Anders, Öberg, Anders, Pollicott, Mark
In this paper we present a new approach to studying g-measures which is based upon local absolute continuity. We extend the result in [11] that square summability of variations of g-functions ensures...
Using cepstral coefficients for Inhalation pause detection in spontaneous speech (2005)
Johansson, Anders, Frid, Johan, Horne, Merle
A method for recognizing inhalations in spontaneous speech is presented. It is similar to the template matching technique; a distance measure is calculated between a reference sound and an equally...
Mitsubishi Electric Research Laboratories (2005)
Http Www Merl, Anders Johansson, Johan Karedal, Fredrik Tufvesson, Andreas Molisch, Anders J Johansson, ...
This paper analyzes MIMO propagation channels for personal area networks. Such channels show important differences to propagation channels in wide-area networks, due to the different environments in...
Orthogonal latin rectangles (2004)
Häggkvist, Roland, Johansson, Anders
We use a greedy probabilistic method to prove that for every $\epsilon > 0$, every $m\times n$ Latin rectangle on $n$ symbols has an orthogonal mate, where $m=(1-\epsilon)n$. That is, we show the...
This master's thesis deals with timing effects in complex on chip systems. It is written in cooperation with the research and development centre of Infineon Technologies. One primary goal of all...
This master's thesis deals with timing effects in complex on chip systems. It is written in cooperation with the research and development centre of Infineon Technologies. One primary goal of all...
Värdering vid upprättande av en kontrollbalansräkning (2004)
Johansson, Anders, Kraemer, Kjell, Samuelsson, Joachim
Bakgrund och problem: Även om aktiebolagens redovisning ytterst grundas på lagregler får, inte minst genom hänvisningen till god redovisningssed, företagsekonomisk praxis på detta område stort...
Samhällsförändringar kan orsaka orala problem. (2004)
Unell, Lennart, Johansson, Anders, Carlsson, Gunnar E, Fernberg, Ola, Halling, Arne, Ordell, Sven, ...
Förändringar i samhället, till exempel ökad stress i arbetslivet, försäm-rade ekonomiska förhållanden och förändringar inom hälso- och sjuk-vården tycks öka förekomsten av tandvärk och...
Modern inhalation agents and effects of anaesthesia equipment during low-flow anaesthesia (2003)
Volatile agents are economically and ecologically acceptable only when administered via low-flow systems. However, sevoflurane degrades during low-flow anaesthesia to compound A, and a high carbon...
Risk and Responsibility in the GMO Discourse (2003)
An application of biotechnology that has been rapidly matured under the last ten years is genetically modified food. The deliberative release of GMO faces the challenge of complying with sustainable...
Risk and Responsibility in the GMO Discourse (2003)
An application of biotechnology that has been rapidly matured under the last ten years is genetically modified food. The deliberative release of GMO faces the challenge of complying with sustainable...
The quotient end-tidal/inspired concentration of sevoflurane in a low-flow system. (2002)
Johansson, Anders, Lundberg, Dag, Luttropp, Hans Henrik
STUDY OBJECTIVE: To investigate the effect of two different fresh gas flows on inspired and end-tidal sevoflurane concentration for a given vaporizer setting in a low-flow anesthesia system.DESIGN:...
Bioteknologins politik och berättelsernas transformativa makt (2002)
This thesis aims to respond to the need of adjust GMO politics for meeting the demands of the late-modern society and the changed condition that follows from an accelerating complexity. The central...
Bioteknologins politik och berättelsernas transformativa makt (2002)
This thesis aims to respond to the need of adjust GMO politics for meeting the demands of the late-modern society and the changed condition that follows from an accelerating complexity. The central...
Engström, Jonas, Johansson, Anders
The move towards globalisation among MNCs has shifted the power structure from one of geographical hierarchy to one of a more global business. This move is however counterbalanced by the need for...
Speech Enhancement for Hands-Free Terminals (2001)
Grbic, Nedelko, Nordholm, Sven, Johansson, Anders
This paper discusses signal processing methods for speech extraction in use with voice communication applications such as personal digital assistants (PDA:s), mobile telephone terminals and personal...
Johansson, Anders, Rolseth, Lars
In this essay we model the returns for 14 large Swedish firms' stocks with a conditional multifactor model with time-varying beta terms. The data are monthly and the sample period is June 1992 to...
The Benefit of Using High-Performance Concrete for Prefabrication. (1998)
Persson, Bertil, Johansson, Anders, Johansson, Peter
This article outlines a numerical study on the benefit of using High-Performance/Strength Concrete for fabrication of concrete elements. For this purpose a comparison is done between the cost of...
Sim94 - A concurrent simulator for plan-driven troops (1995)
Bjorn Carlson, Bjorn Carlson, Samuel Tronje, Samuel Tronje, Martin Argenius, Calle Bergman, ...
We present the simulation system for plan-driven troops developed at the Computing Science Department, Uppsala University, 1994. This work was performed by the members of Projekt94 in cooperation...
Some results on colourings of graphs / Anders Johansson (1994)
Incluye biblilografía
Intervju med Carl Löfgren, f.d. IOGT-bibliotekets föreståndare i Strömsbro (1985)
Wassman, Sonja, Johansson, Anders
Intervjun har spelats in på ett 90-min. kassettband. Ett 3-sidigt referat finns.
Intervju med Carl Löfgren, f.d. IOGT-bibliotekets föreståndare i Strömsbro (1985)
Wassman, Sonja, Johansson, Anders
Intervjun har spelats in på ett 90-min. kassettband. Ett 3-sidigt referat finns.
Comparative Analysis of PCR versus Culture for Diagnosis of Ulceroglandular Tularemia
Johansson, Anders, Berglund, Lennart, Eriksson, Ulla, Göransson, Ingela, Wollin, Ralfh, Forsman, Mats, ...
PCR and culture were comparatively evaluated for their abilities to demonstrate Francisella tularensis in wound specimens from tularemia patients during an outbreak in Sweden in 1998. For transport...
Johansson, Anders, Ibrahim, Ashraf, Göransson, Ingela, Eriksson, Ulla, Gurycova, D., Clarridge, Jill E., ...
Previous studies have demonstrated that the four subspecies of the human pathogen Francisella tularensis, despite showing marked variations in their virulence for mammals and originating from...
Johansson, Anders, Göransson, Ingela, Larsson, Pär, Sjöstedt, Anders
Members of the genus Francisella and the species F. tularensis appear to be genetically very similar despite pronounced differences in virulence and geographic localization, and currently used typing...
Vγ9Vδ2 T Cells in Human Legionellosis
Kroca, Michal, Johansson, Anders, Sjöstedt, Anders, Tärnvik, Arne
In humans, expansion of circulating Vγ9Vδ2 T cells seems to be a pathophysiological denominator shared by protozoan and intracellular bacterial diseases. The assumption was tested here on...
Lai, Xin-He, Arencibia, Ignacio, Johansson, Anders, Wai, Sun Nyunt, Oscarsson, Jan, Kalfas, Sotos, ...
Cytolysin A (ClyA) is a newly discovered cytolytic protein of Escherichia coli K-12 that mediates a hemolytic phenotype. We show here that highly purified ClyA and ClyA-expressing E. coli were...
Thomas, Rebecca, Johansson, Anders, Neeson, Brendan, Isherwood, Karen, Sjöstedt, Anders, Ellis, Jill, ...
We describe the use of two insertion sequence elements (ISFtu1 and ISFtu2) in Francisella tularensis to type strains by restriction fragment length polymorphism (RFLP). The RFLP profiles of 17...
Broekhuijsen, Martien, Larsson, Pär, Johansson, Anders, Byström, Mona, Eriksson, Ulla, Larsson, Eva, ...
Francisella tularensis is a potent pathogen and a possible bioterrorism agent. Little is known, however, to explain the molecular basis for its virulence and the distinct differences in virulence...
Johansson, Anders, Farlow, Jason, Larsson, Pär, Dukerich, Meghan, Chambers, Elias, Byström, Mona, ...
The intracellular bacterium Francisella tularensis is the causative agent of tularemia and poses a serious threat as an agent of bioterrorism. We have developed a highly effective molecular subtyping...
Evolution of Subspecies of Francisella tularensis†
Svensson, Kerstin, Larsson, Pär, Johansson, Daniel, Byström, Mona, Forsman, Mats, Johansson, Anders
Analysis of unidirectional genomic deletion events and single nucleotide variations suggested that the four subspecies of Francisella tularensis have evolved by vertical descent. The analysis...
Byström, Mona, Böcher, Sidsel, Magnusson, Anna, Prag, Jørgen, Johansson, Anders
We report ulceroglandular tularemia affecting an 8-year-old boy and the first recovery of Francisella tularensis in Denmark. A novel real-time PCR assay was used to identify the strain as F....
Twine, Susan, Byström, Mona, Chen, Wangxue, Forsman, Mats, Golovliov, Igor, Johansson, Anders, ...
Francisella tularensis subsp. tularensis (type A) strain SCHU S4 is a prototypic strain of the pathogen that is highly virulent for humans and other mammals. Its intradermal (i.d.) 50% lethal dose...
Multiple-Locus Variable-Number Tandem Repeat Analysis for Typing of Staphylococcus epidermidis
Johansson, Anders, Koskiniemi, Satu, Gottfridsson, Per, Wiström, Johan, Monsen, Tor
We applied a high-resolution PCR-based typing method, multiple-locus variable-number tandem repeat analysis (MLVA), for discrimination of 30 multidrug-resistant clinical isolates of Staphylococcus...
Johansson, Anders, Aspan, Anna, Bagge, Elisabeth, Båverud, Viveca, Engström, Björn E, Johansson, Karl-Erik
Comparative Analysis of PCR versus Culture for Diagnosis of Ulceroglandular Tularemia
Johansson, Anders, Berglund, Lennart, Eriksson, Ulla, Göransson, Ingela, Wollin, Ralfh, Forsman, Mats, ...
PCR and culture were comparatively evaluated for their abilities to demonstrate Francisella tularensis in wound specimens from tularemia patients during an outbreak in Sweden in 1998. For transport...
Johansson, Anders, Ibrahim, Ashraf, Göransson, Ingela, Eriksson, Ulla, Gurycova, D., Clarridge, Jill E., ...
Previous studies have demonstrated that the four subspecies of the human pathogen Francisella tularensis, despite showing marked variations in their virulence for mammals and originating from...
Johansson, Anders, Göransson, Ingela, Larsson, Pär, Sjöstedt, Anders
Members of the genus Francisella and the species F. tularensis appear to be genetically very similar despite pronounced differences in virulence and geographic localization, and currently used typing...
Vγ9Vδ2 T Cells in Human Legionellosis
Kroca, Michal, Johansson, Anders, Sjöstedt, Anders, Tärnvik, Arne
In humans, expansion of circulating Vγ9Vδ2 T cells seems to be a pathophysiological denominator shared by protozoan and intracellular bacterial diseases. The assumption was tested here on...
Lai, Xin-He, Arencibia, Ignacio, Johansson, Anders, Wai, Sun Nyunt, Oscarsson, Jan, Kalfas, Sotos, ...
Cytolysin A (ClyA) is a newly discovered cytolytic protein of Escherichia coli K-12 that mediates a hemolytic phenotype. We show here that highly purified ClyA and ClyA-expressing E. coli were...
Thomas, Rebecca, Johansson, Anders, Neeson, Brendan, Isherwood, Karen, Sjöstedt, Anders, Ellis, Jill, ...
We describe the use of two insertion sequence elements (ISFtu1 and ISFtu2) in Francisella tularensis to type strains by restriction fragment length polymorphism (RFLP). The RFLP profiles of 17...
Broekhuijsen, Martien, Larsson, Pär, Johansson, Anders, Byström, Mona, Eriksson, Ulla, Larsson, Eva, ...
Francisella tularensis is a potent pathogen and a possible bioterrorism agent. Little is known, however, to explain the molecular basis for its virulence and the distinct differences in virulence...
Johansson, Anders, Farlow, Jason, Larsson, Pär, Dukerich, Meghan, Chambers, Elias, Byström, Mona, ...
The intracellular bacterium Francisella tularensis is the causative agent of tularemia and poses a serious threat as an agent of bioterrorism. We have developed a highly effective molecular subtyping...
Evolution of Subspecies of Francisella tularensis†
Svensson, Kerstin, Larsson, Pär, Johansson, Daniel, Byström, Mona, Forsman, Mats, Johansson, Anders
Analysis of unidirectional genomic deletion events and single nucleotide variations suggested that the four subspecies of Francisella tularensis have evolved by vertical descent. The analysis...
Byström, Mona, Böcher, Sidsel, Magnusson, Anna, Prag, Jørgen, Johansson, Anders
We report ulceroglandular tularemia affecting an 8-year-old boy and the first recovery of Francisella tularensis in Denmark. A novel real-time PCR assay was used to identify the strain as F....
Twine, Susan, Byström, Mona, Chen, Wangxue, Forsman, Mats, Golovliov, Igor, Johansson, Anders, ...
Francisella tularensis subsp. tularensis (type A) strain SCHU S4 is a prototypic strain of the pathogen that is highly virulent for humans and other mammals. Its intradermal (i.d.) 50% lethal dose...
Multiple-Locus Variable-Number Tandem Repeat Analysis for Typing of Staphylococcus epidermidis
Johansson, Anders, Koskiniemi, Satu, Gottfridsson, Per, Wiström, Johan, Monsen, Tor
We applied a high-resolution PCR-based typing method, multiple-locus variable-number tandem repeat analysis (MLVA), for discrimination of 30 multidrug-resistant clinical isolates of Staphylococcus...
Johansson, Anders, Aspan, Anna, Bagge, Elisabeth, Båverud, Viveca, Engström, Björn E, Johansson, Karl-Erik
Rohmer, Laurence, Brittnacher, Mitchell, Svensson, Kerstin, Buckley, Danielle, Haugen, Eric, Zhou, Yang, ...
Francisella tularensis is a bacterial pathogen that causes the zoonotic disease tularemia and is important to biodefense. Currently, the only vaccine known to confer protection against tularemia is a...
Innings, Åsa, Ullberg, Måns, Johansson, Anders, Rubin, Carl Johan, Noreus, Niklas, Isaksson, Magnus, ...
We have developed a single-tube multiplex real-time PCR method for the detection of the eight most common Candida species causing septicemia: Candida albicans, C. dubliniensis, C. famata, C....
Innings, Åsa, Ullberg, Måns, Johansson, Anders, Rubin, Carl Johan, Noreus, Niklas, Isaksson, Magnus, ...
Investment Plan Revisions and Share Price Volatility
Johansson, Anders, Modén, Karl-Markus
The aim of this paper is to investigate the nature of the links between the stock market reactions to significant news in the information set, relevant to investment decisions, and how firms from a...
Johansson, Anders, Rolseth, Lars
In this essay we model the returns for 14 large Swedish firms' stocks with a conditional multifactor model with time-varying beta terms. The data are monthly and the sample period is June 1992 to...
Johansson, Anders, Rolseth, Lars
This essay models the returns for 14 large Swedish firms' stocks with a conditional multifactor model with time-varying beta terms. The data are monthly and the sample period is June 1992 to August...
ANALYTICAL AND NUMERICAL INVESTIGATION OF ANT BEHAVIOR UNDER CROWDED CONDITIONS
KARSTEN PETERS, ANDERS JOHANSSON, AUDREY DUSSUTOUR, DIRK HELBING
Swarm intelligence is widely recognized as a powerful paradigm of self-organized optimization, with numerous examples of successful applications in distributed artificial intelligence. However, the...
SPECIFICATION OF THE SOCIAL FORCE PEDESTRIAN MODEL BY EVOLUTIONARY ADJUSTMENT TO VIDEO TRACKING DATA
ANDERS JOHANSSON, DIRK HELBING, PRADYUMN K. SHUKLA
Based on suitable video recordings of interactive pedestrian motion and improved tracking software, we apply an evolutionary optimization algorithm to determine optimal parameter specifications for...
FROM CROWD DYNAMICS TO CROWD SAFETY: A VIDEO-BASED ANALYSIS
ANDERS JOHANSSON, DIRK HELBING, SALIM AL-BOSTA
The study of crowd dynamics is interesting because of the various self-organization phenomena resulting from the interactions of many pedestrians, which may improve or obstruct their flow. Besides...
Household choices of car-use reduction measures
Gärling, Tommy, Gärling, Anita, Johansson, Anders
The present research investigated what car-use reduction measures are perceived by households to be feasible if their goal is to reduce car driving. In Study 1 a number of such measures were included...
Johansson, David, Kosovac, Eldina, Moharer, Jasmin, Ljuslinder, Ingrid, Brännström, Thomas, Johansson, Anders, ...
Larsson, Pär, Elfsmark, Daniel, Svensson, Kerstin, Wikström, Per, Forsman, Mats, Brettin, Thomas, ...
Francisella tularensis is a potent mammalian pathogen well adapted to intracellular habitats, whereas F. novicida and F. philomiragia are less virulent in mammals and appear to have less specialized...
Bonnedahl, Jonas, Drobni, Mirva, Gauthier-Clerc, Michel, Hernandez, Jorge, Granholm, Susanne, Kayser, Yves, ...
Stochastic volatility and time-varying country risk in emerging markets
This study suggests an alternative method to estimate time-varying country risk. We first apply a new multivariate stochastic volatility (SV) model to a set of emerging stock markets. To estimate the...
An analysis of dynamic risk in the Greater China equity markets
This study looks at the time-varying nature of systematic risk in the Greater China equity markets. The Shanghai and Shenzhen markets both have a low average systematic risk when measured against the...
Phylogeography of Francisella tularensis: Global Expansion of a Highly Fit Clone▿ †
Vogler, Amy J., Birdsell, Dawn, Price, Lance B., Bowers, Jolene R., Beckstrom-Sternberg, Stephen M., Auerbach, Raymond K., ...
Francisella tularensis contains several highly pathogenic subspecies, including Francisella tularensis subsp. holarctica, whose distribution is circumpolar in the northern hemisphere. The...