Browsing by Subject "mathematical analysis"
Now showing items 1-20 of 30
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A novel QSPR model for predicting θ (lower critical solution temperature) in polymer solutions using molecular descriptors
(2007)In this study, we present a new model that has been developed for the prediction of θ, (lower critical solution temperature) using a database of 169 data points that include 12 polymers and 67 solvents. For the characterization ...
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Algorithmic mechanisms for reliable crowdsourcing computation under collusion
(2015)We consider a computing system where a master processor assigns a task for execution to worker processors that may collude. We model the workers' decision of whether to comply (compute the task) or not (return a bogus ...
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An analytical method for linear elliptic PDEs and its numerical implementation
(2004)A new numerical method for solving linear elliptic boundary value problems with constant coefficients in a polygonal domain is introduced. This method produces a generalized Dirichlet-Neumann map: given the derivative of ...
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Biphasic modeling of brain tumor biomechanics and response to radiation treatment
(2016)Biomechanical forces are central in tumor progression and response to treatment. This becomes more important in brain cancers where tumors are surrounded by tissues with different mechanical properties. Existing mathematical ...
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Competitive sorption of Cu(II), Eu(III) and U(VI) ions on TiO2 in aqueous solutions-A potentiometric study
(2008)The competitive sorption of Cu(II), Eu(III) and U(VI) ions in aqueous solutions by TiO2, has been investigated by potentiometry at I = 0.1 M NaClO4, 25 °C and under atmospheric conditions. For Cu(II) ions the investigation ...
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Determination of thorium, uranium and potassium elemental concentrations in surface soils in Cyprus
(2004)A comprehensive study was conducted to determine thorium, uranium and potassium elemental concentrations in surface soils throughout the accessible area of Cyprus using high-resolution γ-ray spectrometry. A total of 115 ...
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Direct observation and characterization of p-phenylenebisnitrene. A labile quinoidal diradical [11]
(1998)
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Discrete and encapsulated molecular grids: Homometallic Mn15 and heterometallic Mn24Ni2 aggregates
(2014)Two molecular grid-like clusters are reported, one is a discrete [3 × 5] grid and the other a [3 × 4] grid within a Mn12Ni 2 loop. Both Mn24Ni2 and Mn15 aggregates display novel and aesthetically pleasing structures with ...
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Fronts in a piecewise linear Schrödinger equation
(2002)We examine the conditions that are necessary for the appearance of fronts as solutions of nonlinear Schrödinger-like equations. We show that fronts can appear even when the potential in these equations has only one minimum. ...
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Gluon propagator without lattice Gribov copies
(2001)We study the gluon propagator in quenched lattice QCD using the Laplacian gauge which is free of lattice Gribov copies. We compare our results with those obtained in the Landau gauge on the lattice, as well as with various ...
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Gluon propagator without lattice Gribov copies on a finer lattice
(2002)We extend our study of the gluon propagator in quenched lattice QCD using the Laplacian gauge to a finer lattice. We verify the existence of a pole mass as we take the continuum limit and deduce a value of ∼600-30 +150 MeV ...
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Investigation of substituent effect of 1-(3,3-diphenylpropyl)-piperidinyl phenylacetamides on CCR5 binding affinity using QSAR and virtual screening techniques
(2006)A linear quantitative-structure activity relationship model is developed in this work using Multiple Linear Regression Analysis as applied to a series of 51 1-(3,3-diphenylpropyl)-piperidinyl phenylacetamides derivatives ...
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K-string tensions in SU(N) gauge theories
(2002)In the context of four-dimensional SU(N) gauge theories, we study the spectrum of the confining strings. We compute, for the SU(6) gauge theory formulated on a lattice, the three independent string tensions σk related to ...
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Long-range charge transport in single G-quadruplex DNA molecules
(2014)DNA and DNA-based polymers are of interest in molecular electronics because of their versatile and programmable structures. However, transport measurements have produced a range of seemingly contradictory results due to ...
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Matter and pseudoscalar densities in lattice QCD
(2003)The matter and the pseudoscalar densities inside a hadron are calculated via gauge-invariant equal-time correlation functions. A comparison is made between the charge and the matter density distributions for the pion, the ...
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Measurement of B-meson lifetimes using fully reconstructed B decays produced in pp̄ collisions at √s = 1.8 TeV
(2002)We present an improved measurement of b-meson lifetimes using fully reconstructed B-decays produced in pp̄ collisions at √s = 1.8 TeV, using 114 pb-1 of data collected at the Collider Detector at Fermilab. We obtain τ(B+) ...
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Measurement of the J/ψ meson and b-hadron production cross sections in pp̄ collisions at √s = 1960 GeV
(2005)We present a new measurement of the inclusive and differential production cross sections of J/ψ mesons and b hadrons in proton-antiproton collisions at √s = 1960 GeV. The data correspond to an integrated luminosity of 39.7 ...
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Measurement of the polar-angle distribution of leptons from W boson decay as a function of the W transverse momentum in pp̄ collisions at √s=1.8 TeV
(2004)We present a measurement of the polar-angle distribution of leptons from W boson decay, as a function of the W transverse momentum. The measurement uses an 80±4 pb-1 sample of pp̄ collisions at √s = 1.8 TeV collected by ...
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Measurement of the W boson polarization in top decay at CDF at √s = 1.8 TeV
(2005)The polarization of the W boson in t →Wb decay is unambiguously predicted by the standard model of electroweak interactions and is a powerful test of our understanding of the tbW vertex. We measure this polarization from ...
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A morphological analysis of the macro motor unit potential
(1999)The technique of macro EMG is used to investigate the motor unit architecture in a number of pathological conditions. Amplitude and area are the most commonly used criteria, but these parameters alone are not sufficient ...