J. Singer

Details der Publikationsliste

Zeitraum

1980 - 2008

Anzahl

143

Co-Autoren

University of Victoria' (2008)

J. Singer, M. Muller, D. Myers, J. Ryall

Abstract complex multi-dimensional space. Moreover, bookmarks and task annotations lack metadata that are We have developed a new approach for software needed to group, filter, search, and manage...

When Learning and Performance are at Odds: Confronting the Tension (2006)

Copyright Sara, J. Singer, Amy C. Edmondson, Sara J. Singer, Amy C. Edmondson, Sara J. Singer, ...

Working papers are in draft form. This working paper is distributed for purposes of comment and discussion only. It may not be reproduced without permission of the copyright holder. Copies of working...

Studying software engineers: Data collection techniques for software field studies (2005)

Lethbridge, T C, Sim, S E, Singer, J

Software engineering is an intensively people-oriented activity, yet too little is known about how designers, maintainers, requirements analysts and all other types of software engineers perform...

Reliability of the knee examination in osteoarthritis - Effect of standardization (2004)

Cibere, J., Bellamy, N., Thorne, A., Esdaile, J. M., McGorm, K. J., Chalmers, A., ...

Objective. To assess the reliability of physical examination of the osteoarthritic (OA) knee by rheumatologists, and to evaluate the benefits of standardization. Methods. Forty-two physical signs and...

Reliability of the knee examination in osteoarthritis - Effect of standardization (2004)

Cibere, J., Bellamy, N., Thorne, A., Esdaile, J. M., McGorm, K. J., Chalmers, A., ...

Objective. To assess the reliability of physical examination of the osteoarthritic (OA) knee by rheumatologists, and to evaluate the benefits of standardization. Methods. Forty-two physical signs and...

Recurrent de novo point mutations in lamin A cause Hutchinson-Gilford progeria syndrome (2003)

Eriksson, M, Brown, WT, Gordon, LB, Glynn, MW, Singer, J, Scott, L, ...

Hutchinson-Gilford progeria syndrome (HGPS) is a rare genetic disorder characterized by features reminiscent of marked premature ageing(1,2). Here, we present evidence of mutations in lamin A (LMNA)...

Durability under Repeated Buckling of Stiffened Shear Panels, (2002)

Kollet,M., Weller,T., Libai,A., Singer,J.

An experimental investigation was carried out on the durability of thin webbed beams subjected to repeated shear bucklings. Although the repeated loading exceeded the initial buckling load several...

Local Smoothing with Robustness against Outlying Predictors (2002)

Einbeck, Jochen, Singer, J.

Outlying pollutant concentration data are frequently observed in time series studies conducted to investigate the effects of atmospheric pollution and mortality/morbidity. These outliers may severely...

FRANKA-Stein: Design, operation and industrial application. (2002)

Hoppe, P., Singer, J., Bluhm, H., Frey, W., Giese, H., Massier, H., ...

IEEE 2002 Internat.Power Modulator Conf., Hollywood, Calif., June 30 - July 3, 2002

Discharge monitoring and energy balance performed on the TW pulse generator KALIF-HELIA. (2001)

Hoppe, P., Bluhm, H., Singer, J., Leber, K., Massier, H., Rusch, D., ...

PPA 2001 : Internat.Conf.on Pulsed Power Applications, Gelsenkirchen, March 27-29, 2001

Eigenschaften der lasergetriggerten Gasschalter am TW Pulsgenerator KALIF-HELIA. (2000)

Hoppe, P., Singer, J., Leber, K., Bluhm, H.

IEEE/ITG Workshop 'Trends, Entwicklung und Anwendungen von Leistungsschaltsystemen' Karlsruhe, 13.Oktober 2000

Der TW Pulse Generator KALIF-HELIA am Forschungszentrum Karlsruhe: Vorstellung eines wegweisenden Konzeptes und erste Ergebnisse. (2000)

Hoppe, P., Bluhm, H., Leber, K., Rusch, D., Singer, J., Stoltz, O.

IEEE-NPSS German Chapter Workshop on Pulsed Power in der Beschleuniger- und Lasertechnologie, GSI Darmstadt, 22.November 2000

Laser triggering of the KALIF-HELIA gas switches. (1999)

Singer, J., Rusch, D., Meisel, G., Hoppe, P., Bluhm, H.

Workshop 'Physics of High Energy Density in Matter', Hirschegg, February 1-6, 1999

BUCKLING OF UNSTIFFENED CONICAL SHELLS UNDER COMBINED TORSION AND AXIAL COMPRESSION OR TENSION, (1998)

Berkovits,A., Singer,J.

A method developed previously by the second author is extended to the analysis of the instability of isotropic conical shells under combined torsion and axial compression or tension. The method is...

BUCKLING OF UNSTIFFENED CONICAL SHELLS UNDER COMBINED LOADING, (1998)

Berkovits,A., Singer,J., Weller,T.

An experimental program was conducted in order to determine the family of interaction curves for the buckling of unstiffened conical shells under combined axial compression, torsion, and external or...

Repeated Buckling Tests of Stiffened Thin Shear Panels, (1998)

Ari-Gur,J., Singer,J., Libai,A.

An experimental study of repeated buckling of shear panels, which represents the first phase of a more comprehensive program is presented. Two similar typical Wagner beams were tested under cyclic...

Current understanding of magnetic storms: Storm/substorm relationships (1998)

Y. Kamide, I. A. Daglis, W. D. Gonzalez, M. Gr, R. L. Mcpherron, Ll H, ...

Abstract. This paper attempts to summarize the current understanding of the storm/substorm relationship b y cl earing up a consi derable amount of controversy and addressing the question of how solar...

Derivation of scaling laws for intense light ion beam divergence with the KALIF/HELIA accelerator. (1998)

Hoppe, P., Bauer, W., Baumann, K., Bluhm, H., Buth, L., Carboni, V., ...

Proc.of the 12th Internat.Symp.on Heavy Ion Intertial Fusion, Heidelberg, September 24-27, 1997

Proton-beam driven Rayleigh-Taylor instability experiments and simulations. (1998)

Baumung, K., Marten, H., Rusch, D., Shutov, A.V., Singer, J.

15th Internat.Workshop on High Energy Density in Matter, Hirschegg, February 1-7, 1998

First proton-beam driven Rayleigh-Taylor experiments on KALIF. (1998)

Baumung, K., Marten, H., Shutov, A.V., Singer, J.

Proc.of the 8th Internat.Workshop on Atomic Physics for Ion-Driven Fusion, Heidelberg, September 22-23, 1997

Investigations of the Dynamic Strength Variations in Metals (1997)

Baumung, K., Kanel, G., Razorenov, S., Rusch, D., Singer, J., Utkin, A.

A line-imaging laser Doppler velocimeter has been employed to investigate the uniformity of strength properties of materials at load duration of ≈10-7 sec or less. The shock load puises were...

Investigations of the Dynamic Strength Variations in Metals (1997)

Baumung, K., Kanel, G., Razorenov, S., Rusch, D., Singer, J., Utkin, A.

A line-imaging laser Doppler velocimeter has been employed to investigate the uniformity of strength properties of materials at load duration of ≈10-7 sec or less. The shock load puises were...

Investigations of the Dynamic Strength Variations in Metals (1997)

Baumung, K., Kanel, G., Razorenov, S., Rusch, D., Singer, J., Utkin, A.

A line-imaging laser Doppler velocimeter has been employed to investigate the uniformity of strength properties of materials at load duration of ≈10-7 sec or less. The shock load puises were...

Proton-beam driven Rayleigh-Taylor experiments on KALIF. (1997)

Baumung, K., Baumann, K., Shutov, A.V., Singer, J.

12th Internat.Symp.on Heavy Ion Intertial Fusion, Heidelberg, September 24-27, 1997

First results on ion-beam driven 1D-Rayleigh-Taylor experiments. (1997)

Baumung, K., Bluhm, H., Rusch, D., Singer, J.

Conf.on Physics of High Energy Density in Matter, Hirschegg, February 2-7, 1997

Melting of shock-compressed metals in release. (1997)

Kanel, G.I., Baumung, K., Rush, D., Singer, J., Razorenov, S.V., Utkin, A.V.

APS Conf.on Shock Compression of Condesed Matter, Amherst, Mass., July 27 - August 1, 1997

Temperaturmessung an dichten Plasmen durch Röntgen-Absorptions-Spektroskopie. (1996)

Hüttner, R., Meisel, G., Bluhm, H., Schön, T., Saenger, E., Buth, L., ...

Frühjahrstagung DPG gemeinsam mit der Österreichischen Physikalischen Gesellschaft, Rostock, 18.-21.März 1996

Röntgen-Emissions-Spektroskopie zur Diagnose dichter Plasmen. (1996)

Schön, T., Meisel, G., Bluhm, H., Hüttner, R., Saenger, E., Buth, L., ...

Frühjahrstagung DPG gemeinsam mit der Österreichischen Physikalischen Gesellschaft, Rostock, 18.-21.März 1996

Density of States in the t′-Hubbard Model: Exact Diagonalisation Results (1995)

Fettes, W., Morgenstern, I., Hußlein, T., Singer, J., Baur, C.

We calculated the density of states in a Hubbard model with nearest and next nearest neighbour hopping. Using an exact diagonalisation technique, we examined this model in a wide area of parameters....

Density of States in the t′-Hubbard Model: Exact Diagonalisation Results (1995)

Fettes, W., Morgenstern, I., Hußlein, T., Singer, J., Baur, C.

We calculated the density of states in a Hubbard model with nearest and next nearest neighbour hopping. Using an exact diagonalisation technique, we examined this model in a wide area of parameters....

Density of States in the t′-Hubbard Model: Exact Diagonalisation Results (1995)

Fettes, W., Morgenstern, I., Hußlein, T., Singer, J., Baur, C.

We calculated the density of states in a Hubbard model with nearest and next nearest neighbour hopping. Using an exact diagonalisation technique, we examined this model in a wide area of parameters....

Experimental determination of the spontaneous nucleation temperature of sodium. (1995)

Bober, M., Singer, J.

Proc.of the 12th Symp.on Thermophysical Properties, Boulder, Colo., June 19-24, 1994

Hydrodynamic beam-target interaction experiments on the Karlsruhe Light Ion Facility KALIF. (1995)

Baumung, K., Bluhm, H., Hoppe, P., Karow, H.U., Rusch, D., Stoltz, O., ...

Beams 94 : Proc.of the 10th Internat.Conf.on High-Power Particle Beams, San Diego, Calif., June 20-24, 1994

Spin-spin correlations in the tt'-Hubbard model (1994)

Husslein, T., Newns, D., Mattutis, H., Pattnaik, P., Morgenstern, I., Singer, J., ...

We present calculations of the tt'-Hubbard model using Quantum Monte Carlo techniques. The parameters are chosen so that the van Hove Singularity in the density of states and the Fermi level...

Spin-spin correlations in the tt'-Hubbard model (1994)

Husslein, T., Newns, D., Mattutis, H., Pattnaik, P., Morgenstern, I., Singer, J., ...

We present calculations of the tt'-Hubbard model using Quantum Monte Carlo techniques. The parameters are chosen so that the van Hove Singularity in the density of states and the Fermi level...

Spin-spin correlations in the tt'-Hubbard model (1994)

Husslein, T., Newns, D., Mattutis, H., Pattnaik, P., Morgenstern, I., Singer, J., ...

We present calculations of the tt'-Hubbard model using Quantum Monte Carlo techniques. The parameters are chosen so that the van Hove Singularity in the density of states and the Fermi level...

Double layer Hubbard model : off-diagonal long range order in the nodeless d-wave channel (1993)

Morgenstern, I., Husslein, Th., Singer, J.

We report on a numerical study of the double layer Hubbard model describing the CuO2 sheets in the high-Tc oxides. For the simulation we employed the projector quantum Monte Carlo method (PQMC) to...

Double layer Hubbard model : off-diagonal long range order in the nodeless d-wave channel (1993)

Morgenstern, I., Husslein, Th., Singer, J.

We report on a numerical study of the double layer Hubbard model describing the CuO2 sheets in the high-Tc oxides. For the simulation we employed the projector quantum Monte Carlo method (PQMC) to...

Double layer Hubbard model : off-diagonal long range order in the nodeless d-wave channel (1993)

Morgenstern, I., Husslein, Th., Singer, J.

We report on a numerical study of the double layer Hubbard model describing the CuO2 sheets in the high-Tc oxides. For the simulation we employed the projector quantum Monte Carlo method (PQMC) to...

Pressure measurements in the 1 TW/cm`2 focus of the KALIF accelerator. (1993)

Baumung, K., Karow, H.U., Bluhm, H., Goel, B., Hoppe, P., Rusch, D., ...

Meeting on Physics of High Energy Density in Matter, Hirschegg, A, January 31 - February 5, 1993

Numerical simulation of the double layer Hubbard model (1992)

Morgenstern, I., Husslein, Th., Singer, J.

We have carried out Quantum Monte Carlo studies to investigate the double layer Hubbard model using the groundstate projector formalism. Evidence for off diagonal long range order in the nodeless...

Numerical simulation of the double layer Hubbard model (1992)

Morgenstern, I., Husslein, Th., Singer, J.

We have carried out Quantum Monte Carlo studies to investigate the double layer Hubbard model using the groundstate projector formalism. Evidence for off diagonal long range order in the nodeless...

Numerical simulation of the double layer Hubbard model (1992)

Morgenstern, I., Husslein, Th., Singer, J.

We have carried out Quantum Monte Carlo studies to investigate the double layer Hubbard model using the groundstate projector formalism. Evidence for off diagonal long range order in the nodeless...

Boiling point measurements on liquid UO§2. (1987)

Bober, M., Singer, J., Trapp, M.

Science and Technology of Fast Reactor Safety : Proc.of an Internat.Conf.,

Light ion beam experiments with pinch reflex diodes on KfK's pulse generator KALIF. (1986)

Bluhm, H., Buth, L., Boehnel, K., Harke, W., Hoppe, P., Karow, H.U., ...

Plasma Science : Internat.Conf., Pittsburgh, Pa., June 3-5, 1985 ; Conf.Record, Abstracts

THE ROLE OF SUPERCONDUCTING MAGNETS IN NMR MEDICAL IMAGING (1984)

Green, M., Singer, J.

Modern medicine has become dependent on x-rays and various imaging techniques for the diagnosis of diseases. Within the last five yers, an imaging technique which uses NMR (Nuclear Magnetic...

THE ROLE OF SUPERCONDUCTING MAGNETS IN NMR MEDICAL IMAGING (1984)

Green, M., Singer, J.

Modern medicine has become dependent on x-rays and various imaging techniques for the diagnosis of diseases. Within the last five yers, an imaging technique which uses NMR (Nuclear Magnetic...

THE ROLE OF SUPERCONDUCTING MAGNETS IN NMR MEDICAL IMAGING (1984)

Green, M., Singer, J.

Modern medicine has become dependent on x-rays and various imaging techniques for the diagnosis of diseases. Within the last five yers, an imaging technique which uses NMR (Nuclear Magnetic...

High temperature vapor pressures of metals from laser evaporation. (1984)

Bober, M., Singer, J.

4th Internat.Conf.on High Temperature and Energy-Related Materials,

A Tn3 derivative that can be used to make short in-frame insertions within genes.

Hoekstra, M F, Burbee, D, Singer, J, Mull, E, Chiao, E, Heffron, F

A Tn3 derivative was constructed to make small in-frame insertions within genes. The transposon contains the URA3 gene, the tetA gene, a truncated lacZ, and phage P1 loxP recombination sites at...

Methylation of DNA in mouse early embryos, teratocarcinoma cells and adult tissues of mouse and rabbit.

Singer, J, Roberts-Ems, J, Luthardt, F W, Riggs, A D

The distribution and amount of 5-methylcytosine (5-MeCyt) in DNA was measured for early embryos of mouse strain CF1 (2 to 4 cell stage to blastocyst) and mouse teratocarcinoma cells. In each case,...

Supportive follow-up for cigarette smokers in a family practice: issues of method, analysis and state of the art.

Wilson, D M, Singer, J, Best, J A

Kozlowski and Page have criticized a study published in 1982 in CMAJ on the effects of supportive follow-up on the rate at which patients quit smoking cigarettes. We agree with some of their general...

A smoking cessation intervention program for family physicians.

Wilson, D M, Lindsay, E A, Best, J A, Gilbert, J R, Willms, D G, Singer, J

Family physicians are able to approach many patients who smoke but are often hesitant to help them quit. Lack of knowledge about effective interventions is a major reason for this hesitancy. The...

Variability in physicians' decisions on caring for chronically ill elderly patients: an international study.

Alemayehu, E, Molloy, D W, Guyatt, G H, Singer, J, Penington, G, Basile, J, ...

OBJECTIVES: To determine what treatment decisions physicians will make when faced with an incompetent elderly patient with life-threatening gastrointestinal bleeding and to identify the factors that...

Mechanism of bronchodilator effect in chronic airflow limitation.

Jaeschke, R, Guyatt, G H, Singer, J, Keller, J, Newhouse, M T

OBJECTIVE: To examine the mechanisms through which two bronchodilators (theophylline and salbutamol) influence dyspnea during daily activities. METHODS: Twenty-four patients with chronic airflow...

Effect of tetrahydroaminoacridine on cognition, function and behaviour in Alzheimer's disease.

Molloy, D W, Guyatt, G H, Wilson, D B, Duke, R, Rees, L, Singer, J

OBJECTIVE: To determine the efficacy of tetrahydroaminoacridine (THA) in Alzheimer's disease. DESIGN: Randomized, double-blind, multiple crossover trial with three treatment periods, each consisting...

Iron deficiency anemia in the elderly: the diagnostic process.

Patterson, C, Guyatt, G H, Singer, J, Ali, M, Turpie, I

OBJECTIVE: To determine the effectiveness of physician probability estimates calculated on the basis of findings from history-taking and physical examination in the diagnosis of iron deficiency...

Effectiveness of a geriatric day hospital.

Eagle, D J, Guyatt, G H, Patterson, C, Turpie, I, Sackett, B, Singer, J

OBJECTIVE: To determine whether there is a difference in the quality of life between elderly patients managed in a day hospital and those receiving conventional care. DESIGN: Randomized controlled...

Upper Ottawa street landfill site health study.

Hertzman, C, Hayes, M, Singer, J, Highland, J

This report describes the design and conduct of two sequential historical prospective morbidity surveys of workers and residents from the Upper Ottawa Street Landfill Site in Hamilton, Ontario. The...

Management of urinary retention after surgical repair of hip fracture.

Skelly, J M, Guyatt, G H, Kalbfleisch, R, Singer, J, Winter, L

OBJECTIVE: To compare the use of indwelling catheters and intermittent catheterization in the management of urinary retention after surgical repair of hip fractures. DESIGN: Randomized open trial....

Use and sources of payment for health and community services for children with impaired mobility.

Walker, D K, Palfrey, J S, Butler, J A, Singer, J

A survey was made of the parents of 380 children whose mobility impairments require the use of a wheelchair, walker, or braces. They were asked about equipment, health services, related services, and...

A Tn3 derivative that can be used to make short in-frame insertions within genes.

Hoekstra, M F, Burbee, D, Singer, J, Mull, E, Chiao, E, Heffron, F

A Tn3 derivative was constructed to make small in-frame insertions within genes. The transposon contains the URA3 gene, the tetA gene, a truncated lacZ, and phage P1 loxP recombination sites at...

Methylation of DNA in mouse early embryos, teratocarcinoma cells and adult tissues of mouse and rabbit.

Singer, J, Roberts-Ems, J, Luthardt, F W, Riggs, A D

The distribution and amount of 5-methylcytosine (5-MeCyt) in DNA was measured for early embryos of mouse strain CF1 (2 to 4 cell stage to blastocyst) and mouse teratocarcinoma cells. In each case,...

Supportive follow-up for cigarette smokers in a family practice: issues of method, analysis and state of the art.

Wilson, D M, Singer, J, Best, J A

Kozlowski and Page have criticized a study published in 1982 in CMAJ on the effects of supportive follow-up on the rate at which patients quit smoking cigarettes. We agree with some of their general...

A smoking cessation intervention program for family physicians.

Wilson, D M, Lindsay, E A, Best, J A, Gilbert, J R, Willms, D G, Singer, J

Family physicians are able to approach many patients who smoke but are often hesitant to help them quit. Lack of knowledge about effective interventions is a major reason for this hesitancy. The...

Variability in physicians' decisions on caring for chronically ill elderly patients: an international study.

Alemayehu, E, Molloy, D W, Guyatt, G H, Singer, J, Penington, G, Basile, J, ...

OBJECTIVES: To determine what treatment decisions physicians will make when faced with an incompetent elderly patient with life-threatening gastrointestinal bleeding and to identify the factors that...

Mechanism of bronchodilator effect in chronic airflow limitation.

Jaeschke, R, Guyatt, G H, Singer, J, Keller, J, Newhouse, M T

OBJECTIVE: To examine the mechanisms through which two bronchodilators (theophylline and salbutamol) influence dyspnea during daily activities. METHODS: Twenty-four patients with chronic airflow...

Effect of tetrahydroaminoacridine on cognition, function and behaviour in Alzheimer's disease.

Molloy, D W, Guyatt, G H, Wilson, D B, Duke, R, Rees, L, Singer, J

OBJECTIVE: To determine the efficacy of tetrahydroaminoacridine (THA) in Alzheimer's disease. DESIGN: Randomized, double-blind, multiple crossover trial with three treatment periods, each consisting...

Iron deficiency anemia in the elderly: the diagnostic process.

Patterson, C, Guyatt, G H, Singer, J, Ali, M, Turpie, I

OBJECTIVE: To determine the effectiveness of physician probability estimates calculated on the basis of findings from history-taking and physical examination in the diagnosis of iron deficiency...

Effectiveness of a geriatric day hospital.

Eagle, D J, Guyatt, G H, Patterson, C, Turpie, I, Sackett, B, Singer, J

OBJECTIVE: To determine whether there is a difference in the quality of life between elderly patients managed in a day hospital and those receiving conventional care. DESIGN: Randomized controlled...

Upper Ottawa street landfill site health study.

Hertzman, C, Hayes, M, Singer, J, Highland, J

This report describes the design and conduct of two sequential historical prospective morbidity surveys of workers and residents from the Upper Ottawa Street Landfill Site in Hamilton, Ontario. The...

Use and sources of payment for health and community services for children with impaired mobility.

Walker, D K, Palfrey, J S, Butler, J A, Singer, J

A survey was made of the parents of 380 children whose mobility impairments require the use of a wheelchair, walker, or braces. They were asked about equipment, health services, related services, and...

Management of urinary retention after surgical repair of hip fracture.

Skelly, J M, Guyatt, G H, Kalbfleisch, R, Singer, J, Winter, L

OBJECTIVE: To compare the use of indwelling catheters and intermittent catheterization in the management of urinary retention after surgical repair of hip fractures. DESIGN: Randomized open trial....

Controlled trial of respiratory muscle training in chronic airflow limitation.

Guyatt, G, Keller, J, Singer, J, Halcrow, S, Newhouse, M

BACKGROUND: Whether respiratory muscle training is of benefit to patients with chronic airflow limitation is controversial. The objective of the study was to determine the effect of resistance...

Club foot, an adverse outcome of early amniocentesis: disruption or deformation?

Farrell, S, Summers, A, Dallaire, L, Singer, J, Johnson, J., Wilson, R

An association between the occurrence of club foot and early amniocentesis has been reported. The largest of these randomised studies was the Canadian Early and Mid-Trimester Amniocentesis Trial....