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THE 75TH BIRTH ANNIVERSARY OF SERGEY V. SMIRNOV
2016
Neotložnaâ Medicinskaâ Pomoŝʹ
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The 75th birth anniversary of Sergey v. Smirnov. ...
doaj:08a31134af8e423d90cfe56fa9db5313
fatcat:gaw7fqilrnakhnxadnpljb7nei
Double-scale Pulses Generated by Mode-locked Fibre Lasers and Their Applications
[chapter]
2016
Fiber Laser
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This chapter presents a detailed analysis of properties of double-scale pulses (also called noise-like pulses and femtosecond clusters) generated in fibre lasers and gives an indepth discussion of promising applications of such pulses.
doi:10.5772/61956
fatcat:nmvm2io2yfhvvfvjclshz3exiy
Those Unpredictable Recessions
2011
Social Science Research Network
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Not much has changed since then. 4 See [Smirnov, 2011] for more details about many other cyclical indicators. ...
In fact there were tens of resourceful researches devoted to cyclical turning points dating and prediction (see [Smirnov, 2011] for a survey). ...
doi:10.2139/ssrn.1996991
fatcat:kiogin2s6bdkxk6cmeiw2l6hjm
Exactly solvable periodic Darboux q-chains
[article]
2002
arXiv
pre-print
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A difference q-analogue of the dressing chain is discussed in this paper.
arXiv:math-ph/0207022v1
fatcat:wbzcyrzub5e23lr734mpfz6p4u
Reducing Complexity of Large EPCs
2008
Zenodo
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Business processes are an important instrument for understanding and improving how companies provide goods and services to customers. Therefore, many companies have documented their business processes well, often in the Event-driven Process Chains (EPC). Unfortunately, in many cases the resulting EPCs are rather complex, so that the overall process logic is hidden in low level process details. This paper proposes abstraction mechanisms for process models that aim to reduce their complexity,
doi:10.5281/zenodo.5526907
fatcat:b3twh22iifdezhxnuswkmdt3fq
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... e keeping the overall process structure. We assume that functions are marked with efforts and splits are marked with probabilities. This information is used to separate important process parts from less important ones. Real world process models are used to validate the approach.
Generation of double-scale femto/pico-second optical lumps in mode-locked fiber lasers
2009
Optics Express
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We observed generation of stable picoseconds pulse train and double-scale optical lumps with picosecond envelope and femtosecond noise-like oscillations in the same Yb-doped fiber laser with all-positivedispersion cavity mode-locked due to the effect of non-linear polarization evolution. In the noise-like pulse generation regime the auto-correlation function has a non-usual double (femto-and picosecond) scale shape. We discuss mechanisms of laser switching between two operation regimes and
doi:10.1364/oe.17.020707
pmid:19997301
fatcat:3wdqpxbqgzecrmioi4fueqrm34
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... strate a good qualitative agreement between experimental results and numerical modeling based on modified nonlinear Schrödinger equations.
Different generation regimes of mode-locked all-positive-dispersion all-fiber Yb laser
2010
Fiber Lasers VII: Technology, Systems, and Applications
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Different generation modes of all-positive-dispersion all-fibre Yb laser mode-locked due to effect of non-linear polarization evolution are investigated. For the first time we realized in the same laser both generation of single picoseconds pulse train and a newly observed lasing regime where generated are picosecond wave-packets, each being a train of femtosecond sub-pulses. Using both experimental results and numerical modeling we discuss in detail the mechanisms of laser mode-locking and
doi:10.1117/12.841237
fatcat:vscz3torf5duxn3wdlgsbdetie
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... ching of generation regimes and show a strong dependence of output laser characteristics on configuration of polarization controllers. A good qualitative agreement between experimental results and numerical modeling is demonstrated.
Cascaded SRS of single- and double-scale fiber laser pulses in long extra-cavity fiber
2014
Optics Express
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This work presents, for the first time, the results of studies of stimulated Raman scattering (SRS) in 1.2-km P 2 O 5 -doped silica fiber of radiation of single-and double-scale picosecond pulses generated in a fiber master oscillator and amplified in a one-stage fiber amplifier. Shown are differences in supercontinuum spectra composed of several Stokes components when pumped with pulses of different structure. More efficient Raman transformation of double-scale pulses was identified, leading to broader supercontinuum spectra.
doi:10.1364/oe.22.020770
pmid:25321280
fatcat:yooltw53xzekzikiwuphfnbmoi
Bio-mimicking rotary nanomotors
2009
Nanotechnology IV
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We propose a simple design of a rotary nanomotor comprised of three quantum dots attached to the rotating ring (rotor) in the presence of an in-plane dc electric field. The quantum dots (sites) can be coupled to or decoupled from source and drain carrier reservoirs, depending on the relative positions of the leads and the dots. We derive equations for the site populations and solve these equations numerically jointly with the Langevin-type equation for the rotational angle. It is shown that the
doi:10.1117/12.821567
fatcat:qui6dqqvunenthsbmqvja7fyvm
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... synchronous loading and unloading of the sites results in unidirectional rotation of the nanomotor. The corresponding particle current, torque, and energy conversion efficiency are determined. Our studies are applicable both to biologically-inspired rotary nanomotors, the F 0 motor of ATP synthase and the bacterial flagellar motor, which use protons as carriers, and to novel artificial semiconductor systems using electrons. The efficiency of this semiconductor analog of the rotary biomotors is up to 85% at room temperature.
Model reduction in Smoluchowski-type equations
[article]
2020
arXiv
pre-print
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In this paper we utilize the Proper Orthogonal Decomposition (POD) method for model order reduction in application to Smoluchowski aggregation equations with source and sink terms. In particular, we show in practice that there exists a low-dimensional space allowing to approximate the solutions of aggregation equations. We also demonstrate that it is possible to model the aggregation process with the complexity depending only on dimension of such a space but not on the original problem size. In
arXiv:2008.09439v1
fatcat:dbnnnr2ezfbbvk24idnzpxyme4
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... addition, we propose a method for reconstruction of the necessary space without solving of the full evolutionary problem, which can lead to significant acceleration of computations, examples of which are also presented.
Siberian Literature in Socio-Cultural Range
2022
Philology & Human
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This review gives an idea of the content of the All-Russian scientific and practical conference (with international participation) "Literature of Siberia in the sociocultural space", which was held on September 23-24, 2021, in Irkutsk. The conference was dedicated to the 100th birth anniversary of the literary scientist, critic, researcher, and devotee of Siberian literature - Vasily Prokopyevich Trushkin. The conference was attended by the professor students and colleagues from Irkutsk State
doi:10.14258/filichel(2022)1-15
fatcat:ocafkmmtxbaqdbghembzzgugpi
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... iversity, famous philologists from other Siberian universities - Barnaul, Kemerovo, Krasnoyarsk, Tomsk, Ulan-Ude, researchers, and experts in Siberian literature from Moscow, St. Petersburg, China, USA and India. Topical issues of the history and theory of Siberian literature, its specificity and features of interaction with general sociocultural phenomena were discussed. The "geography" of the conference participants, the variety of reports topics, lively discussions and polemics testify to the relevance, great research potential of the cardinal direction of science - literary local history, at the origins of which was Professor Vasily Prokopyevich Trushkin.
Karyotype of Brachanthemum krylovii Serg
2013
Chromosome Botany
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Altai (50°23'38", 26°40'39"), Altai Republic, Russian Federation (Smirnov 2000) . ...
The chromosome number of Brachanthemum krylovii was previously described as 2n=18 (Smirnov 2000) . ...
doi:10.3199/iscb.8.29
fatcat:icsbwmb6nngy3kmvjcd4oxrfdq
Topological engineering of mode-locked fibre lasers: NALM/NALM2 technologies
2018
High-Power Lasers and Applications IX
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The work presents for the first time a comparative study of mode-locked figure-8 laser, in which two independently pumped active media are located either in the same or in different cavity loops. It is shown that the NALM2 configuration (both active media in the same cavity loop) delivers both higher average and peak radiation power. Flexibility of NALM/NALM2 technologies is further demonstrated for implementation of algorithmic electronically driven control over radiation mode-locking regimes.
doi:10.1117/12.2501243
fatcat:7kyv53cdf5b2zh2pvunuspk44q
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... Also discussed are the results of experimental testing of electronic methods relying on NALM/NALM2 technologies for setting desired generation regimes.
Modelling of noise-like pulses generated in fibre lasers
2016
Real-time Measurements, Rogue Events, and Emerging Applications
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The present paper for the first time proposes and studies a relatively simple model of noise-like pulses that matches the experimental data well and suggests that there is a correlation between phases of adjacent spectral components of noiselike pulses. Comparison of a relatively basic model of 'random' pulses with the results of noise-like pulse modelling in mode-locked fibre lasers based on coupled non-linear Schrödinger equations demonstrates that it adequately reproduces temporal and
doi:10.1117/12.2211603
fatcat:vxc46hd2hjbkzomrpvgk75wjpa
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... l properties of noise-like pulses as well as correlation between adjacent modes so that it's possible to use the proposed model for highly efficient simulations of promising applications of noise-like pulses, such as material processing, non-linear frequency conversion, microscopy, and others.
Segmentation methods of OCR systems in problems of automatic processing of archival documents
2014
Труды СПИИРАН
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., Smirnov S.V. Segmentation methods of OCR systems in problems of automatic processing of archival documents. Abstract. ...
., Smirnov S.V. Segmentation methods of OCR systems in problems of automatic processing of archival documents. ...
doi:10.15622/sp.16.3
fatcat:u2p4wiy7z5gonnrpiv7hvrbdum
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