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741
A Numerical Study of the Lorenz and Lorenz-Stenflo Systems
"... ges till offentlig granskning för avläggande av teknologie doktorsexamen fredagen ..."
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ges till offentlig granskning för avläggande av teknologie doktorsexamen fredagen
A case for the average-halfface in 2D and 3D for face recognition
- In IEEE Computer Society Workshop on Biometrics (in conjunction with CVPR
, 2009
"... We observe that the human face is inherently symmetric and we would like to exploit this symmetry in face recognition. The average-half-face has been previously shown to do just that for a set of 3D faces when using eigenfaces for recognition. We build upon that work and present a comparison of the ..."
Abstract
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Cited by 6 (3 self)
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), and support vector machines (SVM). We utilize two well-known 2D face database as well as a 3D face database for the comparison. Our results show that in most cases it is superior to employ the average-half-face for frontal face recognition. The consequences of this discovery may result in substantial savings
Whom You Know Matters: Venture Capital Networks and Investment Performance,
- Journal of Finance
, 2007
"... Abstract Many financial markets are characterized by strong relationships and networks, rather than arm's-length, spot-market transactions. We examine the performance consequences of this organizational choice in the context of relationships established when VCs syndicate portfolio company inv ..."
Abstract
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Cited by 138 (8 self)
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with diminishing returns to scale. The adjusted R 2 in model (3) is 13.6%. Because fund sequence number appears to have little effect on fund performance in our dataset, and because it is frequently unavailable in the Venture Economics database, we replace it with a dummy equaling one for first-time funds. We also
POUR L'OBTENTION DU GRADE DE DOCTEUR ÈS SCIENCES PAR
"... 2010 to my wife, Joyce, and my family...- Résumé- ..."
Numerical Simulation of a Strained Laminar Flame Burner and Comparison with the Experiment
"... The present work is devoted to the simulation of a laminar strained flame using two approaches: 2D realistic and 1D simplified. The studied case corresponds to a laminar burner that creates an upward oriented round jet of stoichiometric methane-air mixture impacting on a horizontal metal disk. 2D nu ..."
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The present work is devoted to the simulation of a laminar strained flame using two approaches: 2D realistic and 1D simplified. The studied case corresponds to a laminar burner that creates an upward oriented round jet of stoichiometric methane-air mixture impacting on a horizontal metal disk. 2D
Akademisk avhandling för teknisk doktorsexamen vid
, 1994
"... mcmxciv This thesis deals with combinatorics in connection with Coxeter groups, finitely generated but not necessarily finite. The representation theory of groups as nonsingular matrices over a field is of immense theoretical importance, but also basic for computational group theory, where the group ..."
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mcmxciv This thesis deals with combinatorics in connection with Coxeter groups, finitely generated but not necessarily finite. The representation theory of groups as nonsingular matrices over a field is of immense theoretical importance, but also basic for computational group theory, where
A Study of User-Friendly Hash Comparison Schemes
"... Abstract—Several security protocols require a human to compare two hash values to ensure successful completion. When the hash values are represented as long sequences of numbers, humans may make a mistake or require significant time and patience to accurately compare the hash values. To improve usab ..."
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usability during comparison, a number of researchers have proposed various hash representations that use words, sentences, or images rather than numbers. This is the first work to perform a comparative study of these hash comparison schemes to determine which scheme allows the fastest and most accurate
January 18, 2005 13:28 WSPC/INSTRUCTION FILE p0203 DYNAMICS OF THE GROUND STATE AND CENTRAL VORTEX STATES IN BOSE-EINSTEIN CONDENSATION
, 2005
"... Communicated by (Pierre Degond) In this paper, we study dynamics of the ground state and central vortex states in Bose-Einstein condensation (BEC) analytically and numerically. We show how to define the energy of the Thomas-Fermi (TF) approximation, prove that the ground state is a global minimizer ..."
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that the angular momentum expectation is conserved in two-dimensions (2D) with a radial symmetric trap and 3D with a cylin-drical symmetric trap for any initial data, and study numerically stability of central vortex states as well as interaction between a few central vortices with winding numbers ±1 by a fourth
Results 1 - 10
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741
