10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- European Organization for Nuclear ResearchCH2.4k papers
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24 papers · 1 filter
Co-occurrence Network of Reuters News
Arzucan Ozgur, Burak Cetin, Haluk Bingol
Networks describe various complex natural systems including social systems. We investigate the social network of co-occurrence in Reuters-21578 corpus, which consists of news artic…
Inversion method for content-based networks
Jose J. Ramasco, Muhittin Mungan
In this paper, we generalize a recently introduced Expectation Maximization (EM) method for graphs and apply it to content-based networks. The EM method provides a classification o…
The Inhomogeneous Invariance Quantum Supergroup of Supersymmetry Algebra
Azmi Ali Altintas, Metin Arik
We consider an inhomogeneous quantum supergroup which leaves invariant a supersymmetric particle algebra. The quantum sub-supergroups of this inhomogeneous quantum supergroup are i…
Final results on nu_mu to nu_tau oscillation from the CHORUS experiment
The CHORUS Collaboration
The final oscillation analysis of the complete set of data collected by CHORUS in the years 1994--1997 is presented. Reconstruction algorithms of data extracted by electronic detec…
Primes in Tuples II
D. A. Goldston, J. Pintz, C. Y. Yildirim
We prove that there are infinitely often pairs of primes much closer than the average spacing between primes - almost within the square root of the average spacing. We actually pro…
Bose-Einstein condensate in a harmonic trap with an eccentric dimple potential
Haydar Uncu, Devrim Tarhan, Ersan Demiralp +1
We investigate Bose-Einstein condensation of noninteracting gases in a harmonic trap with an off-center dimple potential. We specifically consider the case of a tight and deep dimp…
Nonrelativistic Lee model in three dimensional Riemannian manifolds
Fatih Erman, O. Teoman Turgut
In this work, we construct the non-relativistic Lee model on some class of three dimensional Riemannian manifolds by following a novel approach introduced by S. G. Rajeev hep-th/99…
Cross Comparison of Synonym Graphs in A Multi Linguistic Context
Dorina Strori, Ahmet Bombaci, Haluk Bingol
Language is one of the most important aspects of human cognition; it represents the way we think, act and communicate with each other. Each language has its own history, background…
The impact of the fourth SM family on the Higgs observability at the LHC
E. Arik, S. A. Cetin, S. Sultansoy
It is shown that if the fourth SM fermion family exists then the Higgs boson could be observed at the LHC with an integrated luminosity of few fb-1. The Higgs discovery potential f…
Monte Carlo Simulation and Statistical Analysis of the Effect of Coding Table Specificity on Genetic Information Coding
E. Gultepe, M. L. Kurnaz
We present a computer simulation, which is inspired by Penna model, to help understanding the effect of genetic coding tables on population dynamics. To represent populations we us…
Deposition of Atoms on a Quasicrystalline Substrate: Molecular-Dynamics Study in 3 Dimensions
Muhittin Mungan, Yves Weisskopf, Mehmet Erbudak
We study the three-dimensional structure formation when atoms are deposited onto a substrate with a decagonal quasicrystalline order. Molecular-dynamicscalculations show that the a…
A Cultural Market Model
Amac Herdagdelen, Haluk Bingol
Social interactions and personal tastes shape our consumption behavior of cultural products. In this study, we present a computational model of a cultural market and we aim to anal…
Symbol calculus and zeta--function regularized determinants
Burak Tevfik Kaynak, O. Teoman Turgut
In this work, we use semigroup integral to evaluate zeta-function regularized determinants. This is especially powerful for non--positive operators such as the Dirac operator. In o…
Dynamics of Three Agent Games
Tonguc Rador, Muhittin Mungan
We study the dynamics and resulting score distribution of three-agent games where after each competition a single agent wins and scores a point. A single competition is described b…
Possible evolution of dim radio quiet neutron star 1E 1207.4-5209 based on a B-decay model
Askin Ankay, Arzu M. Ankay, E. Nihal Ercan
Dim radio-quiet neutron star (DRQNS) 1E 1207.4-5209 is one of the most heavily examined isolated neutron stars. Wide absorption lines were observed in its spectrum obtained by both…
Lift of noninvariant solutions of heavenly equations from three to four dimensions and new ultra-hyperbolic metrics
A. A. Malykh, Y. Nutku, M. B. Sheftel
We demonstrate that partner symmetries provide a lift of noninvariant solutions of three-dimensional Boyer-Finley equation to noninvariant solutions of four-dimensional hyperbolic…
Boundary Effects in Local Inflation and Spectrum of Density Perturbations
Erol Ertan, Ali Kaya
We observe that when a local patch in a radiation filled Robertson-Walker universe inflates by some reason, outside perturbations can enter into the inflating region. Generally, th…
A Note on Intersections of S-branes with p-branes
Nihat Sadik Deger
We first investigate intersections of an S-brane with a single p-brane and show that in addition to the already known solutions, it is possible to place the S-brane so that the rad…
Magnetospheric particle acceleration and X-ray emission of pulsars
Sevinc O. Tagieva, Askin Ankay, Arzu M. Ankay
The available data on isolated X-ray pulsars, their wind nebulae, and the supernova remnants which are connected to some of these sources are analyzed. It is shown that electric fi…
Acceleration of the Universe via f(R) Gravities and The Stability of Extra Dimensions
Tonguç Rador
We discuss the possibility of obtaining the present acceleration of the universe via f(R) gravity theories which recently attracted much attention. It is known that f(R) theories g…
A Note on the Periodicity and the Output Rate of Bit Search Type Generators
Yucel Altug, N. Polat Ayerden, M. Kivanc Mihcak +1
We investigate the bit-search type irregular decimation algorithms that are used within LFSR-based stream ciphers. In particular, we concentrate on BSG and ABSG, and consider two d…
f(R) Gravities à la Brans-Dicke
Tonguç Rador
We extend f(R) theories via the addition of a fundamental scalar field. The approach is reminiscent of the dilaton field of string theory and the Brans-Dicke model. f(R) theories a…
T and S dualities and The cosmological evolution of the dilaton and the scale factors
Tonguç Rador
Cosmologically stabilizing radion along with the dilaton is one of the major concerns of low energy string theory. One can hope that T and S dualities can provide a plausible answe…
Bose-Einstein condensate in a harmonic trap decorated with Dirac delta functions
Haydar Uncu, Devrim Tarhan, Ersan Demiralp +1
We study Bose-Einstein condensation in a harmonic trap with a dimple potential. We specifically consider the case of a tight and deep dimple potential which is modelled by a Dirac…