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CBBP publications 1989-1999

1999

Optimal online learning: a Bayesian approach
S.A. Solla and O. Winther
Computer Physics Communication 121-122, 94-97 (1999)
[ Abstract ] [ Postscript ]

Optimization with neural networks
B. Söderberg
Scientific Applications of Neural Nets, eds. J.W. Clark, T. Lindenau and M.L. Ristig, Lecture Notes in Physics 522, 243-256 (Springer, Berlin 1999)
[ Abstract ] [ Postscript ]

A confident decision support system for interpreting electrocardiograms
H. Holst, M. Ohlsson, C. Peterson and L. Edenbrandt
Clinical Physiology 19, 410-418 (1999)
[ Abstract ] [ Postscript ]

High specificity - a necessity for automated detection of lead reversals in the 12-lead ECG
M. Ohlsson, B. Hedén and L. Edenbrandt
LU TP 99-24
[ Abstract ] [ Postscript ]

Mean field methods for classification with Gaussian processes
M. Opper and O. Winther
Neural Information Processing Systems 11 (NIPS'98), eds. M.S. Kearns, S.A. Solla and D.A. Cohn, 309-315, MIT Press, Cambridge (1999)
[ Abstract ] [ Postscript ]

Monte Carlo study of the phase structure of compact polymer chains
A. Irbäck and E. Sandelin
Journal of Chemical Physics 110, 12256-12262 (1999)
[ PDF ]

Design of sequences with good folding properties in coarse-grained protein models
A. Irbäck, C. Peterson, F. Potthast and E. Sandelin
Structure with Folding & Design 7, 347-360 (1999)
[ Postscript ]

WWW based service for automated interpretation of diagnostic images: the AIDI-heart project
M. Ohlsson, A. Järund and L. Edenbrandt
High-Performance Computing and Networking, Proceedings 1593, 941-950 (1999)
[ Abstract ] [ Postscript ]

1998

Optimal perceptron learning: an online Bayesian approach
S.A. Solla and O. Winther
On-line learning in Neural Networks, ed. D. Saad, 379-398, (Cambridge University Press, Cambridge, 1998)
[ Abstract ] [ Postscript ]

A minimal off-lattice model for α-helical proteins
F. Potthast
LU TP 98-13
[ Abstract ] [ Postscript ]

Intelligent computer reporting "lack of experience": a confidence measure for decision support systems
H. Holst, M. Ohlsson, C. Peterson and L. Edenbrandt
Clinical Physiology 18, 139-147 (1998)
[ Abstract ]

Dynamical-parameter algorithms for protein folding
A. Irbäck
In Monte Carlo Approach to Biopolymers and Protein Folding, eds. P. Grassberger, G.T. Barkema and W. Nadler, pp. 98-109 (World Scientific, Singapore, 1998)
[ PDF ]

From naive mean field theory to the TAP equations
M. Opper and O. Winther
in Advanced Mean Field Methods - Theory and Practice, eds. M. Opper and D. Saad (MIT Press, Cambridge, 2001)
[ Abstract ] [ Postscript ]

Monte Carlo procedure for protein design
A. Irbäck, C. Peterson, F. Potthast and E. Sandelin
Physical Review E 58, R5249-R5252 (1998)
[ Postscript ]

Local interactions and protein folding: a model study on the square and triangular lattices
A. Irbäck and E. Sandelin
Journal of Chemical Physics 108, 2245-2250 (1998)
[ PDF ]

A Potts neuron approach to communication routing
J. Häkkinen, M. Lagerholm, C. Peterson and B. Söderberg
Neural Computation 10, 1587-1599 (1998)
[ Abstract ] [ Postscript ]

Polymers, spin models and field theory
B. Söderberg
In Field Theoretical Tools for Polymer and Particle Physics, eds. H. Meyer-Ortmanns and A. Klümper, pp. 68-77 (Springer, Berlin, 1998)
[ Abstract ] [ Postscript ]

Simulations of toy proteins
A. Irbäck
In Field Theoretical Tools for Polymer and Particle Physics, eds. H. Meyer-Ortmanns and A. Klümper, pp. 143-153 (Springer, Berlin, 1998)
[ PDF ]

The hybrid Monte Carlo method for polymer chains
A. Irbäck
In Field Theoretical Tools for Polymer and Particle Physics, eds. H. Meyer-Ortmanns and A. Klümper, pp. 133-142 (Springer, Berlin, 1998)
[ PDF ]

1997

Artificial neural networks
C. Peterson and B. Söderberg
Ch. 7 in Local Search in Combinatorial Optimization, eds. E. Aarts and J.K. Lenstra, 173-213 (Wiley, New York, 1997; reprint Princeton Univ. Press, Princeton N.J., 2003)

Automated interpretation of myocardial spect perfusion images using artificial neural networks
D. Lindahl, J. Palmer, M. Ohlsson, C. Peterson, A. Lundin and L. Edenbrandt
The Journal of Nuclear Medicine 38, 1870-1875 (1997)
[ Abstract ] [ Postscript ]

Folding properties in off-lattice protein models
F. Potthast and O. Sommelius
Proceedings of the International Conference on Complex Systems, Nashua, Sept. 1997, ed. Y. Bar-Yam, NESCI (1997)
[ Abstract ] [ Postscript ]

Statistical properties of unrestricted crew scheduling problems
M. Lagerholm, C. Peterson and B. Söderberg
LU TP 97-11
[ Abstract ] [ Postscript ]

On the kinetic behavior and folding properties of an off-lattice heteropolymer model
O. Sommelius
LU TP 97-04
[ Abstract ] [ Postscript ]

The electrostatic persistence length calculated from Monte Carlo, variational and perturbation methods
M. Ullner, B. Jönsson, C. Peterson, O. Sommelius and B. Söderberg
Journal of Chemical Physics 107, 1279-1287 (1997)
[ Abstract ] [ Postscript ]

Local interactions and protein folding: a 3D off-lattice approach
A. Irbäck, C. Peterson, F. Potthast and O. Sommelius
Journal of Chemical Physics 107, 273-282 (1997)
[ Postscript ]

Identification of amino acid sequences with good folding properties in an off-lattice model
A. Irbäck, C. Peterson and F. Potthast
Physical Review E 55, 860-867 (1997)
[ Postscript ]

Airline crew scheduling with Potts neurons
M. Lagerholm, C. Peterson and B. Söderberg
Neural Computation 9, 1589-1599 (1997)
[ Abstract ] [ Postscript ]

Binary assignments of amino acids from pattern conservation
A. Irbäck and F. Potthast
Protein Engineering 10, 1013-1017 (1997)
[ PDF ]

A study of the mean field approach to knapsack problems
M. Ohlsson and H. Pi
Neural Networks 10, 263-271 (1997)
[ Abstract ] [ Postscript ]

1996

Relation between a screened polyelectrolyte and a field theory
B. Söderberg
LU TP 96-22
[ Abstract ] [ Postscript ]

Scaling and scale breaking in polyelectrolytes
C. Peterson, O. Sommelius and B. Söderberg
Journal of Chemical Physics 105, 5233-5241 (1996)
[ Abstract ] [ Postscript ]

A blocking technique for emulating very large polyelectrolytes
C. Peterson, O. Sommelius and B. Söderberg
Physical Review Letters 76, 1079-1082 (1996)
[ Abstract ] [ Postscript ]

A Monte Carlo study of titrating polyelectrolytes
M. Ullner, B. Jönsson, B. Söderberg and C. Peterson
Journal of Chemical Physics 104, 3048-3057 (1996)
[ Abstract ] [ Postscript ]

Agreement between artificial neural networks and human expert for the electrocardiographic diagnosis of healed myocardial infarction
B. Hedén, M. Ohlsson, R. Rittner, O. Pahlm, W.K. Haisty Jr., C. Peterson and L. Edenbrandt
Journal of the American College of Cardiology 28, 1012-1016 (1996)
[ Abstract ] [ Postscript ]

Titrating polyelectrolytes - variational calculations and Monte Carlo simulations
B. Jönsson, M. Ullner, C. Peterson, O. Sommelius and B. Söderberg
Journal of Physical Chemistry 100, 409-417 (1996)
[ Abstract ] [ Postscript ]

A variational approach for minimizing Lennard-Jones energies
C. Peterson, O. Sommelius and B. Söderberg
Physical Review E 53, 1725-1731 (1996)
[ Abstract ] [ Postscript ]

Evidence for non-random hydrophobicity structures in protein chains
A. Irbäck, C. Peterson and F. Potthast
Proceedings of the National Academy of Sciences, USA 93, 9533-9538 (1996)
[ Postscript ]

Detection of frequently overlooked electrocardiographic lead reversals using artificial neural networks
B. Hedén, M. Ohlsson, H. Holst, M. Mjöman, R. Rittner, O. Pahlm, C. Peterson and L. Edenbrandt
American Journal of Cardiology 78, 600-604 (1996)
[ Abstract ] [ Postscript ]

1995

Combinatorial optimization with feedback artificial neural networks
C. Peterson
Proceedings of ICANN '95 International Conference on Artificial Neural Networks, October 1995, Paris, France, eds. F. Fogelman-Soulie and P. Gallinari, EC2 & Cie (Paris 1995)
[ Abstract ] [ Postscript ]

Studies of an off-lattice model for protein folding: sequence dependence and improved sampling at finite temperature
A. Irbäck and F. Potthast
Journal of Chemical Physics 103, 10298-10305 (1995)
[ PDF ]

Determining dependency structures and estimating nonlinear regression errors without doing regression
C. Peterson
International Journal of Modern Physics 4, 611-616 (1995)
[ Abstract ] [ PDF at journal ]

Learning by on-line gradient descent
M. Biehl and H. Schwarze
Journal of Physics A 28, 643-656 (1995)
[ Abstract ] [ Postscript ]

Sequence dependence of self-interacting random chains
A. Irbäck and H. Schwarze
Journal of Physics A 28, 2121-2132 (1995)
[ PDF ]

Artificial neural networks for recognition of electrocardiographic electrode misplacement
B. Hedén, M. Ohlsson, L. Edenbrandt, R. Rittner, O. Pahlm and C. Peterson
American Journal of Cardiology 75, 929-933 (1995)
[ Abstract ] [ Postscript ]

A variational approach to the structure and thermodynamics of linear polyelectrolytes with Coulomb and screened Coulomb interactions
B. Jönsson, C. Peterson and B. Söderberg
Journal of Physical Chemistry 99, 1251-1266 (1995)
[ Abstract ] [ Postscript ]

1994

Estimating nonlinear regression errors without doing regression
H. Pi and C. Peterson
arXiv:1404.3219 (1994)
[ Abstract ] [ PDF ]

JETNET 3.0 - a versatile artificial neural network package
C. Peterson, T. Rögnvaldsson and L. Lönnblad
Computer Physics Communications 81, 185-220 (1994)
[ Postscript ] [ HTML at journal ]

Predicting system loads with artificial neural networks - method and result from "the great energy predictor shootout"
M. Ohlsson, C. Petersson, H. Pi, T. Rögnvaldsson and B. Söderberg
1994 Annual Proceedings of the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., 1063-1074 (1994)
[ Abstract ] [ Postscript ]

Hybrid Monte Carlo simulation of polymer chains
A. Irbäck
Journal of Chemical Physics 101, 1661-1667 (1994)
[ PDF ]

On Langevin updating in multilayer perceptrons
T. Rögnvaldsson
Neural Computation 6, 916-926 (1994)
[ Abstract ] [ Postscript ]

Finding the embedding dimension and variable dependences in time series
H. Pi and C. Peterson
Neural Computation 6, 509-520 (1994)
[ Abstract ] [ Postscript ]

Delta 2.0 – a program for finding dependencies in tables of data
H. Pi and C. Peterson
Computer Physics Communications 83, 293-306 (1994)
[ Abstract ] [ Postscript ]

Scaling in Steiner random surfaces
C.F. Baillie, A. Irbäck, W. Janke and D. Johnston
Physics Letters B 325, 45-50 (1994)
[ Abstract ]

1993

Clustering noisy data with deterministic annealing
M. Ohlsson
LU TP 93-28
[ Abstract ] [ Postscript ]

Dependency analysis and neural network modeling of currency exchange rates
H. Pi
the Proceedings of the First International Workshop on Neural Networks in the Capital Markets, London, 1993
[ Abstract ] [ Postscript ]

Bethe lattices in hyperbolic space
B. Söderberg
Physical Review E 47, 4582-4584 (1993)
[ Abstract ] [ Postscript ]

Variational approach to correlations in polymers
B. Jönsson, C. Peterson and B. Söderberg
Physical Review Letters 71, 376-379 (1993)
[ Abstract ] [ Postscript ]

Pattern discrimination using feed-forward networks - a benchmark study of scaling behaviour
T. Rögnvaldsson
Neural Computation 5, 483-491 (1993)
[ Abstract ] [ Postscript ]

Neural networks for optimization problems with inequality constrains - the knapsack problem
M. Ohlsson, C. Peterson and B. Söderberg
Neural Computation 5, 331-339 (1993)
[ Abstract ] [ Postscript ]

Extension and explorations of the elastic arms algorithm
M. Ohlsson
Computer Physics Communications 77, 19-32 (1993)
[ Abstract ] [ Postscript ]

The theory of dynamical random surfaces with extrinsic curvature
J. Ambjørn, A. Irbäck, J. Jurkiewicz and B. Petersson
Nuclear Physics B 393, 571-600 (1993)
[ Abstract ]

Finite-size scaling at phase coexistence
S. Gupta, A. Irbäck and M. Ohlsson
Nuclear Physics B 409, 673-683 (1993)
[ Abstract ] [ Postscript ]

Finite-size scaling on the Ising coexistence line
S. Gupta and A. Irbäck
Nuclear Physics B (Proc. Suppl.) 30, 861-864 (1993)
[ Abstract ]

Combinatorial optimization with neural networks
C. Peterson and B. Söderberg
Modern Heuristic Techniques for Combinatorial Problems, ed. C.R. Reeves, 197-242 (Blackwell, London 1993)
[ Abstract ] [ Postscript ]

1992

Optimization with Potts neural networks
B. Söderberg
in Complexity in Physics and Technology, eds. M.S. Garrido and R. Vilela Mendes, 181-190 (World Scientific, Singapore, 1992)
[ Abstract ] [ Postscript ]

Apollonian tiling, the Lorentz group, and regular trees
B. Söderberg
Physical Review A 46, 1859-1866 (1992)
[ Abstract ] [ Postscript ]

Track finding with deformable templates - the elastic arms approach
M. Ohlsson, C. Peterson and A.L. Yuille
Computer Physics Communications 71, 77-98 (1992)
[ Abstract ] [ Postscript ]

Rotor neurons - formalism and dynamics
L. Gislén, C. Peterson and B. Söderberg
Neural Computation 4, 737-745 (1992)
[ Abstract ] [ Postscript ]

Complex scheduling with Potts neural networks
L. Gislén, C. Peterson and B. Söderberg
Neural Computation 4, 805-831 (1992)
[ Abstract ] [ Postscript ]

Mass reconstruction with a neural network
L. Lönnblad, C. Peterson and T. Rögnvaldsson
Physics Letters B 278, 181-186 (1992)
[ Abstract ] [ Postscript ]

An introduction to artificial neural networks
C. Peterson and T. Rögnvaldsson
Proc. 1991 CERN Summer School of Computing, CERN Yellow Report 92-02, 113-170 (1992)
[ Abstract ] [ Postscript ] [ PDF ]

Critical properties of the dynamical random surface with extrinsic curvature
J. Ambjørn, J. Jurkiewicz, S. Varsted, A. Irbäck and B. Petersson
Physics Letters B 275, 295-303 (1992)
[ Abstract ]

Measuring the string tension in random surface models with extrinsic curvature
A. Irbäck, J. Jurkiewicz and S. Varsted
Computer Physics Communications 70, 59-67 (1992)
[ Abstract ]

Spectral density analysis of the chiral transition in nf=4 finite temperature qcd
N.A. Alves, B.A. Berg, D.W. Duke, A. Irbäck and S. Sanielevici
Physics Letters B 280, 261-266 (1992)
[ Abstract ]

Physics beyond instantons: measuring the physical correlation length
S. Gupta and A. Irbäck
Physics Letters B 286, 112-117 (1992)
[ Abstract ]

Scaling properties at the crumpling transition
A. Irbäck
Nuclear Physics B (Proc. Suppl.) 26, 572-574 (1992)
[ Abstract ]

Finite-size scaling on the Ising coexistence line
S. Gupta and A. Irbäck
Proceedings of the Workshop on Dynamics of First Order Phase Transitions, HLRZ, KFA Jülich, Germany, June 1992, eds. H.J. Herrmann, W. Janke and F. Karsch, International Journal of Modern Physics C 3, 1119-1124 (1992)
[ Abstract ]

Neural networks as classifiers in subatomic physics
C. Peterson
Nuclear Physics News 2, 14-17 (1992)
[ PDF at journal ]

1991

Self-organizing networks for extracting jet features
L. Lönnblad, C. Peterson, H. Pi and T. Rögnvaldsson
Computer Physics Communications 67, 193-209 (1991)
[ Abstract ] [ Postscript ]

Mean field theory neural networks for feature recognition, content addressable memory and optimization
C. Peterson
Connection Science 3, 3-33 (1991)
[ PDF at journal ]

Using neural networks to identify jets
L. Lönnblad, C. Peterson and T. Rögnvaldsson
Nuclear Physics B 349, 675-702 (1991)
[ Abstract ] [ Postscript ]

Dynamics near a first order phase transition with the Metropolis and Swendsen-Wang algorithms
A. Billoire, R. Lacaze, A. Morel, S. Gupta, A. Irbäck and B. Petersson
Nuclear Physics B 358, 231-248 (1991)
[ Abstract ]

Hadronic correlation functions in the QCD plasma phase
K.D. Born, S. Gupta, A. Irbäck, F. Karsch, E. Laermann, B. Petersson and H. Satz
Physical Review Letters 67, 302-305 (1991)
[ Abstract ]

The heavy quark potential in SU(2) gauge theory at high temperature
A. Irbäck, P. LaCock, D. Miller, B. Petersson and T. Reisz
Nuclear Physics B 363, 34-64 (1991)
[ Abstract ]

Hadronic correlation functions in the QCD plasma phase
A. Irbäck
Nuclear Physics B (Proc. Suppl.) 20, 280-283 (1991)
[ Abstract ]

1990

Finding gluon jets with a neural trigger
L. Lönnblad, C. Peterson and T. Rögnvaldsson
Physical Review Letters 65, 1321-1324 (1990)
[ Abstract ] [ Postscript ]

Parallel distributed approaches to combinatorial optimization - benchmark studies on traveling salesman problem
Carsten Peterson
Neural Computation 2, 261-269 (1990)
[ Abstract ] [ Postscript ]

The correlation lengths and the order of the phase transition in 3-dimensional z3 symmetric models
R.V. Gavai, S. Gupta, A. Irbäck, F. Karsch and B. Petersson
Nuclear Physics B 329, 263-284 (1990)
[ Abstract ]

Flavour degrees of freedom and the transition temperature in QCD
R.V. Gavai, S. Gupta, A. Irbäck, F. Karsch, S. Meyer, B. Petersson H. Satz and H.W. Wyld
Physics Letters B 241, 567-573 (1990)
[ Abstract ]

The acceptance probability in the hybrid Monte Carlo method
S. Gupta, A. Irbäck, F. Karsch and B. Petersson
Physics Letters B 242, 437-443 (1990)
[ Abstract ]

Comment on "finite-size effects at temperature-driven phase transitions"
A. Billoire, R. Lacaze, A. Morel, S. Gupta, A. Irbäck and B. Petersson
Physical Review B 42, 6743-6744 (1990)
[ Abstract ]

Hybrid Monte Carlo simulation of four flavour QCD at finite temperature
A. Irbäck
Nuclear Physics B (Proc. Suppl.) 17, 210-213 (1990)
[ Abstract ]

Minimum action solutions for SU(2) gauge theories on the torus with non-orthogonal twist
M. Garcia-Perez, A. Gonzalez-Arroyo and B. Söderberg
Physics Letters B 235, 117-123 (1990)
[ Abstract ]

Random surfaces with Ising spins
B. Söderberg
in Probabilistic methods in quantum field theory and quantum gravity, eds. P.H. Damgaard, H. Hüffel and A. Rosenblum, 325-329 (Plenum Press, N.Y. 1990)
[ Abstract ] [ Postscript ]

An optoelectronic architecture for multilayer learning in a single photorefractive crystal
C. Peterson, S. Redfield, J.D. Keeler and E. Hartman
Neural Computation 2, 25-34 (1990)
[ Abstract ]

Optoelectronic implementations of multi-layer neural networks in a single photorefractive crystal
C. Peterson, S. Redfield, J.D. Keeler and E. Hartman
Optical Engineering 29, 359-368 (1990)
[ Abstract ]

1989

Teachers and classes with neural networks
L. Gislén, B. Söderberg and C. Peterson
International Journal of Neural Systems 1, 167-176 (1989)
[ Abstract ] [ Postscript ]

A new method for mapping optimization problems onto neural networks
C. Peterson and B. Söderberg
International Journal of Neural Systems 1, 3-22 (1989)
[ Abstract ] [ Postscript ]

Track finding with neural networks
C. Peterson
Nuclear Instruments and Methods A279, 537-545 (1989)
[ Abstract ]

Explorations of the mean field theory learning algorithm
E. Hartman and C. Peterson
Neural Networks 2, 475-494 (1989)
[ Abstract ]

Lattice QCD with small number of flavours
A.Irbäck, F. Karsch, B. Petersson and H.W. Wyld
Physics Letters B 216, 177-183 (1989)
[ Abstract ]

The finite temperature phase transition in four flavour QCD on an 8x123 lattice
R.V. Gavai, S. Gupta, A. Irbäck, F. Karsch, S. Meyer, B. Petersson, H. Satz and H.W. Wyld
Physics Letters B 232, 491-497 (1989)
[ Abstract ]

Twist and finite size effects for the source method
B. Söderberg and L. Lönnblad
Zeitschrift für Physik C 42, 289-296 (1989)
[ Abstract ]

Energy spectrum of SU(2) Yang-Mills fields with space-like symmetric twist
D. Daniel, A. Gonzalez-Arroyo, C.P. Korthals-Altes and B. Söderberg
Physics Letters B 221:2, 136-142 (1989)
[ Abstract ]

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