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34,588,140 research outcomes, page 4 of 3,458,814
  • publication . Preprint . 1992
    Open Access English
    Authors:
    Gelb, J. M.; Kwong, Waikwok; Rosen, S. P.;

    We compare the implications for 7Be and pp neutrinos of the two MSW fits to the new GALLEX solar neutrino measurements . Small mixing angle solutions tend to suppress the former as electron-neutrinos, but not the latter, and large angle solutions tend to reduce both by ...

  • publication . Preprint . 2004
    Open Access English
    Authors:
    Komendarczyk, R.;

    In the 3-dimensional Riemannian geometry, contact structures equipped with an adapted Riemannian metric are divergence-free, nondegenerate eigenforms of the Laplace-Beltrami operator. We trace out a 2-d analogue of this fact: there is a close relationship between the to...

  • publication . Preprint . 2002
    Open Access English
    Authors:
    Brilliantov, Nikolai V.; Spahn, Frank; Hertzsch, Jan-Martin; Poeschel, Thorsten;

    We propose a model for collisions between particles of a granular material and calculate the restitution coefficients for the normal and tangential motion as functions of the impact velocity from considerations of dissipative viscoelastic collisions. Existing models of ...

  • publication . Preprint . 2012
    Open Access English
    Authors:
    Sebesta, Kenneth; Baillieul, John;

    There is evidence that flying animals such as pigeons, goshawks, and bats use optical flow sensing to enable high-speed flight through forest clutter. This paper discusses the elements of a theory of controlled flight through obstacle fields in which motion control laws...

  • publication . Preprint . 2014
    Open Access English
    Authors:
    Bansal, Sandhya; Katiyar, V.;

    In this paper fuzzy VRPTW with an uncertain travel time is considered. Credibility theory is used to model the problem and specifies a preference index at which it is desired that the travel times to reach the customers fall into their time windows. We propose the integ...

  • publication . Preprint . 2015
    Open Access English
    Authors:
    Turalska, Malgorzata; West, Bruce J.;

    A spectral decomposition method is used to obtain solutions to a class of nonlinear differential equations. We extend this approach to the analysis of the fractional form of these equations and demonstrate the method by applying it to the fractional Riccati equation, th...

  • publication . Preprint . 2008
    Open Access English
    Authors:
    Barniske, A.; Oskinova, L. M.; Hamann, W. -R.;

    We study relatively isolated massive WN-type stars in the Galactic center. The K-band spectra of WR102ka and WR102c are exploited to infer the stellar parameters and to compute synthetic stellar spectra using the Potsdam Wolf-Rayet (PoWR) model atmosphere code. These mo...

  • publication . Preprint . 2013
    Open Access English
    Authors:
    Tang, Xiaolin; Yang, Chunhua; Zhou, Xiaojun; Gui, Weihua;

    Generalized traveling salesman problem (GTSP) is an extension of classical traveling salesman problem (TSP), which is a combinatorial optimization problem and an NP-hard problem. In this paper, an efficient discrete state transition algorithm (DSTA) for GTSP is proposed...

  • publication . Preprint . 2010
    Open Access English
    Authors:
    T2K ND280 TPC collaboration;
    Project: NSERC

    The T2K experiment is designed to study neutrino oscillation properties by directing a high intensity neutrino beam produced at J-PARC in Tokai, Japan, towards the large Super-Kamiokande detector located 295 km away, in Kamioka, Japan. The experiment includes a sophisti...

  • publication . Preprint . 2020
    Open Access English
    Authors:
    Rozikov, U. A.; Shoyimardonov, S. K.;

    We consider the Leslie's prey-predator model with discrete-time. This model is given by a non-linear evolution operator depending on five parameters. We show that this operator has two fixed points and define type of each fixed point depending on the parameters. Finding...

34,588,140 research outcomes, page 4 of 3,458,814
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