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Archive of LIT seminars (2015)
 
December 29, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   Oxana Smirnova (NDGF/Lund University, Sweden): "Some tendencies of the development of the WLCG infrastructure"

December 23, 2015, at 16.00  ( LIT, r.310 ) the seminar LIT will be held:

   Oleynik D., Panitkin S., De K., Klimentov А.: "Titan supercomputer in the ATLAS experimental data processing"

December 22, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   1.  V. Palichik, N. Voytishin: "Particle trajectory reconstruction in the CMS experiment cathode-strip chambers and the BM@N experiment drift chambers"
Abstract:
A short overview of the new muon segment building algorithm for the CMS experiment cathode-strip chambers will be given.

2.  A. Gusev: "Numeric-analytical algorithms and programs for analyzing the dynamics of few-body quantum systems"
Abstract:
The developed numeric-analytical methods, algorithms and programs for solving boundary value problems for elliptic partial differential equations and systems of ordinary differential equations of second order are presented.

3.  D. Yanovich: "Optimizing algorithms for computing canonical form of polynomial equations systems"
Abstract:
A large number of physical and mathematical problems require use of systems of polynomial equations (algebraic, boolean, differential, difference).
More... ( PDF )

December 17, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   B. Batgerel, E.G. Nikonov, I.V. Puzynin: "Explicit-implicit symplectic numerical schemes for solving of Hamilton system of equations"
Abstract:
Actively used in various fields of science and technologies for complex systems simulations molecular dynamics methods are based on an every time step solution of the Hamilton system of equations. More... ( PDF)

December 15, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   Bijan Saha: "Spinor field nonlinearity and space-time geometry"
Abstract:
Within the scope of anisotropic and isotropic cosmological models we study the role of spinor field nonlinearity on the evolution of the Universe. More... ( PDF)

December 02, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   Roman Borisovich Rybka (Federal state budgetary enterprise "National Research Centre "Kurchatov Institute"): "A complex of neural net and probable methods for mathematical simulations of the syntax structure of sentenses"
(Materials of a PhD thesis)

December 01, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   Li Weidong (Director of the Instutute of High Energy Physics of Chinese Academy of Science):  "Status and prospects of computing at IHEP CAS"
Abstract:
Instutute of High Energy Physics of Chinese Academy of Science located in Beijing is a leading research center in the field of particle physics in China. The report will cover the current status of the IHEP Computing Center and prospects of its future development.

November 12, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   V.M. Grebenyuk, S.K. Slepnyov, A.V. Tkachenko, and L.G. Tkachev : "Fine structures in cosmic ray measurements time series"
Abstract:
Fine structures detectable at time intervals from ten seconds to a day which superposition forms a considerable part of cosmic ray (CR) measurements time series are described. More... ( PDF)

November 10, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   A.M.Teplov (MSU) : "Analysis of scalability of parallel applications on the basis of supercomputer co-design technologies"
(materials of a PhD thesis)

November 05, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   1. V.V. Ivanov 1,2, E.S. Osetrov 1,3: "Forecasting of Moscow metro passenger’s traffic applying artificial neural networks"
Abstract:
In the work we developed methods for the prediction of passenger’s traffic in Moscow metro using artificial neural networks.
More... ( PDF)

2. V.V. Ivanov 1,2, E.S. Osetrov 1,3: "Forecasting of Moscow metro passenger’s traffic based on neural networks with prior filtering parsed data"
Abstract:
In the paper [1] we have developed an approach for forecasting of passenger traffic in the Moscow metro by using artificial neural networks.
More... ( PDF)
     1. JINR
     2. National Research Nuclear University "MEPhI", Moscow
     3. FTI "Rostransmodernizatsiya" , Moscow

September 23, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   Н.Е. Балакирев (МАТИ): "Количественные и качественные алгоритмы получения спектра звуковой волны на базе логико-лингвистического подхода"
Abstract:
Использование логико-лингвистического подхода позволило структурировать и в том числе уплотнить информацию звукового потока. More... ( PDF )

September 16, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   1. Galoyan A.S., Uzhinsky V.V.: "Monte Carlo Event Generators for NICA/MPD and CBM Experiments"
Abstract:
An improved version of Glauber Monte Carlo simulation code is proposed which allows to estimate geometrical properties of nucleus-nucleus interactions in the energy range ECMS from 5 GeV upto 20 TeV.

2. MikhailovaT.I.1, Erdemchimeg B.1,2, Lukyanov S. M.1, Artukh A.G.1, Sereda Yu. M.1, Di Toro M.3, Wolter H. H.4
(1Joint Institute for Nuclear Research, Dubna, Russia; 2Nuclear Research Center, Mongolian National University, Ulanbaator, Mongolia ; 3Lab. Naz. del Sud, INFN, Catania, Italy; 4Fac. of Physics,University of Munich, Garching, Germany): "PROJECTILE FRAGMENTATION OF 40,48Ca IN A TRANSPORT APPROACH"
Abstract:
The fragmentation at low energies is of interest in the production of exotic nuclei, but the detailed mechanism is not completely understood. More... ( PDF)

September 16, 2015, at 15.00  ( UC, r.437 ) the seminar LIT will be held:

   V. Nekrasov (Contour Components, Managing director): "Business Intelligence platform Contour BI – universal tool for multidimensional analysis"
Abstract:
Business Intelligence (BI), OLAP and multidimensional analysis concepts, benefits of BI in comparison with traditional data publishing and analysis methods. More... ( PDF)

September 03, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

    1. Артем Петросян (ОИЯИ), Якушкин Олег (СПбГУ) : " Тестирование MPI задач с использованием InfiniBand "
Аннотация:
В рамках летней студенческой программы была поставлена задача разобраться с разверткой кластера и тестированием на нем систем MPI с использованием InfiniBand. Подробнее... ( PDF )

2. Андрей Нечаевский (ОИЯИ), Седова Ольга (СПбГУ) : " Использование SLURM Simulator для моделирования кластера HybriLIT "
Аннотация:
В рамках летней студенческой программы была поставлена задача разобраться с перспективными средствами для анализа статистики запуска задач на кластере: SLURM Simulator и IBM Watson Analitics. Подробнее... ( PDF )

August 12, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   Lukaš Miňo, Csaba Török (UPJS-Kosice, Slovakia): "Fast algorithm for spline surfaces"
Abstract:
We propose a fast algorithm for evaluation of spline surfaces with C2 continuity over uniform grids that utilizes a recently proved approximation property between biquartic and bicubic polynomials. More... ( PDF)

August 06, 2015, at 13.00  ( LIT, r.310 ) the seminar LIT will be held:

   Presentation: "Fault-tolerant storage systems on the basis of Supermicro-GreenITGlobe"
Specialists of the Niagara company will talk about the advantages of the solution and answer the questions.

July 23, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   Nina Bogdanova1,2, and Stefan Todorov1 (1Institute of Nuclear Research and Nuclear Energy, BAS, Sofia and 2LIT, JINR): "Use of ORTHONORMAL POLYNOMIAL EXPANSION METHOD to the Energy Spectra of Biological Liquids"
Abstract:
In the following paper we apply our ORTHONORMAL POLYNOMIAL EXPANSION METHOD (OPEM) to the data obtained by the method of energy spectra to the liquid of the biomass in the case when herbicides are used. More... ( PDF)

July 15, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   R.M. Yamaleev: "The Method of Reduction of Solutions of the First Order Linear Differential Equations into Solutions of Riccati-Abel equations"
Abstract:
We build a pathway between two kinds of evolution equations, the one of which is generated by a finite dimensional matrix, and the other one, is generated by the characteristic polynomial of this matrix. More... ( PDF)

July 08, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   V.N. Robuk: "Latent solutions to the heat mass transfer equation in a 1+3 dimension"
Abstract:
A new class of analytical solutions – the latent solutions – has been obtained for a parabolic-type equation with constant complex coefficients in a 1+3 dimension with the help of symmetry operators. More... ( PDF)

June 24, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   A.G. Solovyev, T.M. Solovyeva, A.I. Ivankov, A.V. Rogachev, D.V. Soloviov, A.I. Kuklin: "Primary data treatment for small-angle neutron scattering spectrometer with two-detector system"
Abstract:
The SAS program is aimed to process the spectra measured on the YuMO spectrometer (channel four of the IBR-2 reactor). More... ( PDF )

May 07, 2015, at 15.00  ( LIT, r.310 ) the seminar LIT will be held:

   Plamen Fiziev (BLTF, JINR and Sofia University): "Dark phenomena in the Universe give rise difficult numerical problems"
Abstract:
I will give a very short review of the known dark phenomena in the Universe including latest results: More... ( PDF)

April 28, 2015, at 11.00  ( r.310 ) the seminar LIT will be held:

   PD Dr. Alexej I. Streltsov (UNIVERSITÄT HEIDELBERG), Dr. Oksana I. Streltsova (LIT JINR, DUBNA): " Quantum Dynamics with a mouse-click-interface – MCTDHB-Laboratory"
Abstract:
We would like to announce and present MCTDHB-Lab package – solver of the many-boson Time-Dependent Schrödinger Equation. MCTDHB-Lab is available as a FREE-for-download, cross-platform software with a mouse-click interface. More... ( PDF)

April 23, 2015, at 11.00  ( LIT, r.310 ) the seminar LIT will be held:

   1. Gostev I.M. : "On the Identification of Open Curves"
Abstract:
Problems of identification of plane unclosed curves are considered. Methods are proposed that allow one to classify graphic objects invariant to affine transformations. More... ( PDF )

 2. Zlokazov V.B., Bobrikov I.A., Balagurov A.M. : "Mathematical Method for the Analysis of Polycrystal Phase Evolution"
Abstract:
In experiments carried out in real-time or in-situ a multi-phase polycrystalline sample is step-wise exposed to external impacts (the heat, mechanical, etc. ones). More... ( PDF )

 3. Dikusar N.D.: "Calculation of informative features based on piecewise polynomial smoothing contour lines"
Abstract:
Coordinates measured on the contour line (CL) are smoothed by the rms-algorithm of piecewise polynomial approximation (RMSPPA) of the 12-th order. More... ( PDF )

April 15, 2015, at 11.00  ( r.310 LIT ) reporting seminar of LIT post-graduate students will be held:

   Annual certification of LIT post-graduate students:

  • Baginjan A.S. - head Korenkov V.V.
  • Vojtishin N.N. - heads Palchik V.V., Tihonenko E.A.
  • Kadochnikov I.S. - head Korenkov V.V.
  • Pelevanjuk I.S. - head Korenkov V.V.
  • Rogozhin I.A. - head Khvedelidze A.M.
  • Strelchenko M.V. - head Ososkov G.A.
  • Ustimenko O.V. - head Korenkov V.V.
April 14, 2015, at 15.00  ( r.310 LIT ) the seminar LIT will be held:

   V.V. Kitov: "Modern methods of machine training"
Abstract:
The report analyzes modern approaches of the intellectual data analysis with the use of information technologies Automated methods of data gathering, extraction of most informative attributes, reduction of the problem dimension, construction of the automated methods of forecasting and data categorization as well as the current tendencies in this area will be presented in brief.

April 10, 2015, at 11.00  ( r.310 LIT ) the seminar LIT will be held:

   P.G. Akishin, A.A. Sapozhnikov: "Three-dimensional mesh generation"
Abstract:
This paper discusses the generation of three-dimensional meshes oriented to the finite element method. The algorithm used is based on representation of the problem domain as a combination of standard macroblocks with initial generation of a two-dimensional mesh on their boundary followed by generation of a tree- dimensional mesh in each block individually. The possibility of generating meshes using the developed finite-element mesh generator 3DFEMMesh is discussed.

March 17, 2015, at 11.00  ( r.310 LIT ) the seminar LIT will be held:

   D.A. Baranov, S.P. Merts, G.A.Ososkov, O.V.Rogachevsky: "New approaches to track-candidate searching and their applications to the GEM detector of the JINR BM@N experiment"
Abstract:
Event reconstruction is one of the most important problems of data analysis in HENP experiments. More... ( PDF )

March 12, 2015, at 15.00  ( r.310 LIT ) the seminar LIT will be held:

   1. Prof. Vladimir V. Krylov  (Head of the Big Data Technologies Lab, Nizhny Novgorod State Technical University): "An Introduction to the BDTL (Big Data Technologies Lab) activities"

 2. Dr. Mihai O. Dima  (Senior Researcher-I, IFIN-HH, Bucharest – Romania PhD at Colorado State University, USA): "ANN Software for RF-Modulation Discrimination"

  • Neural software:
    • RF-modulation discrimination
    • use only conditioned signal
    • pre-planned significant parameters
  • Training / performance:
    • avoid over-training
    • perform “prunning”
    • solves even AM-LSB/USB !
February 18, 2015, at 11.00  ( r.310 LIT ) the seminar LIT will be held:

   Bijan Saha: "Report on a business trip to India"
Abstract:
Recently I have visited India and Bangladesh with the aim to enhance the collaboration between JINR and scientific communities of these countries. More... ( PDF )

February 05, 2015, at 14.00  ( LIT Conference Hall ) the seminar LIT will be held:

   The seminar of the HybriLIT team on heterogeneous computing
Abstract:
The seminar is devoted to the use of the heterogeneous cluster HybriLIT that is a computation component of the Multifunctional center for data storage, processing and analysis of the Laboratory of information technologies JINR. The reporters will present detailed information about the structure of the heterogeneous cluster, software and services for users. The seminar will also cover the development of applications on the basis of modern parallel programming technologies that allow make the best use of computational components of the cluster HybriLIT; the examples of the use of the cluster in solving applied tasks are also provided.
More... ( PDF )

January 15, 2015, at 11.00  ( r.310 LIT ) the seminar LIT will be held:

   E.A. Boytsov (Yaroslavl State University): "Development and Research of Methods and algorithms of organizing multiclient database clusters"
(Materials of a PhD thesis)
Abstract:
Software as a Service paradigm brings both lots of benefits to end users and lots of problems to software developers. More... ( PDF )

Archive of LIT Seminars (2014)
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