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  • Lattice groups 
    Kurdachenko, L.A.; Yashchuk, V.S.; Subbotin, I.Y. (Algebra and Discrete Mathematics, 2015)
    In this paper, we introduce some algebraic structure associated with groups and lattices. This structure is a semigroup and it appeared as the result of our new approach to the fuzzy groups and L-fuzzy groups where L is a ...
  • Lattice Model of Intercalation 
    Mysakovych, T.S.; Krasnov, V.O.; Stasyuk, I.V. (2010)
    The thermodynamics of a lattice model of intercalation of ions in crystals is considered in the mean-field approximation (MFA). The pseudospin formalism is used for the description of the interaction of electrons with ions, ...
  • Lattice modes of solid nitrogen to 104 GPa 
    Olijnyk, H.; Jephcoat, A.P. (Физика низких температур, 2001)
    Lattice modes of solid nitrogen were studied by Raman spectroscopy at room temperature to 104 GPa using the diamond anvil technique. Changes in the lattice mode spectral features correlate with those observed in ...
  • Lattice of superconducting multilayer nanotubes as ideal high-temperature superconductor 
    Pokropivny, V.V.; Makarov, I. M.; Pokropivny, A.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2000)
    Combining Little's and Ginzburg's ideas with recent progress in nanotubes research, a novel type of material is advanced as a perspective high-Tc superconductor on base of a close-packed lattice of quasi-1D superconducting ...
  • Lattice rings: an interpretation of L-fuzzy rings as habitual algebraic structures 
    Kurdachenko, L.A.; Ya, I.; Yashchuk, V.S. (Algebra and Discrete Mathematics, 2017)
    In this paper, we introduce some algebraic structure associated with rings and lattices. It appeared as the result of our new approach to the fuzzy rings and L-fuzzy rings where L is a lattice. This approach allows us to ...
  • Lattices of classes of groupoids with one-sided quasigroup conditions 
    Galuszka, J. (Algebra and Discrete Mathematics, 2010)
    It is shown that two classes of groupoids satisfying certain one-sided quasigroup conditions, namely the classes of one-sided torsion groupoids and of one-sided finite exponent groupoids, are complete lattices, both ...
  • Lattices of partial sums 
    Chiaselotti, G.; Gentile, T.; Oliverio, P.A. (Algebra and Discrete Mathematics, 2014)
    In this paper we introduce and study a class of partially ordered sets that can be interpreted as partial sums of indeterminate real numbers. An important example of these partially ordered sets, is the classical Young ...
  • Lattices of topologies of algebraic systems 
    Arnautov, V.I.; Filippov, K.M. (Algebra and Discrete Mathematics, 2006)
    The article is based on the report, which was delivered on a plenary sitting on the 5th International Algebraic Conference in the Ukraine (Odessa, July, 2005) and is a survey of the results on the lattices of topologies ...
  • Laudation on the occasion of the 70th anniversary of Ivan Vakarchuk 
    Автор відсутній (Condensed Matter Physics, 2017)
    Ivan Vakarchuk, a leading Ukrainian physicist, Minister of Education and Science of Ukraine (2007– 2010), Rector of Ivan Franko National University of Lviv (1990–2007, 2010–2013) is celebrating his 70th anniversary on ...
  • Laurent Polynomials and Superintegrable Maps 
    Hone, A.N.W. (Symmetry, Integrability and Geometry: Methods and Applications, 2007)
    This article is dedicated to the memory of Vadim Kuznetsov, and begins with some of the author's recollections of him. Thereafter, a brief review of Somos sequences is provided, with particular focus being made on the ...
  • Lavatera thuringiaca L.— a relict of former cultivation on an historic Earthwork in Poland: distribution and reproduction of individuals 
    Celka, Z.; Drapikowska, M.; Lembicz, M.; Szkudlarz, P.; Talaga, K.; Wydra, K. (Український ботанічний журнал, 2013)
    Lavatera thuringiaca L. (Malvaceae) is considered to be a relict of medieval cultivation, connected in its contemporary distribution with the remnants of former settlements and anthropogenic habitats. The paper presents ...
  • Lax Integrable Supersymmetric Hierarchies on Extended Phase Spaces 
    Hentosh, O.Ye. (Symmetry, Integrability and Geometry: Methods and Applications, 2006)
    We obtain via Bäcklund transformation the Hamiltonian representation for a Lax type nonlinear dynamical system hierarchy on a dual space to the Lie algebra of super-integral-differential operators of one anticommuting ...
  • Layered crystals FeIn₂Se₄, In₄Se₃ and heterojunctions on their basis 
    Kushnir, B.V.; Kovalyuk, Z.D.; Katerynchuk, V.M.; Netyaga, V.V.; Tkachuk, I.G. (Functional Materials, 2017)
    A new heterojunction (GP) p-FeIn₂Se₄-n-In₄Se₃ was formed by the mechanical contact of the FeIn₂Se₄ plate with the van der Waals surface of In₄Se₃. Investigation of Volt-Farada's, spectral characteristics and temperature ...
  • Layer interaction in thin film CIS based photovoltaic device 
    Klochko, N.P.; Volkova, N.D.; Dobrotvorskaya, M.V.; Mateychenko, P.V.; Kopach, V.R.; Shkaleto, V.I.; Karasyov, S.N. (Functional Materials, 2005)
    The function of thin film photovoltaic device on the base of copper indium diselenide (CIS) depends immediately on the character of interactions in the layers being in contact therein: base CIS layer, buffer ZnSe layer, ...
  • Layer, island and dendrite crystallizations of amorphous films as analogs of Frank-van der Merwe, Volmer-Weber and Stranski-Krastanov growth modes 
    Bagmut, A.G. (Functional Materials, 2019)
    Electron-microscope investigations in situ, concerning the crystallization of amorphous films, are systematized. Based on the analysis of the structure and morphology of crystals growing in amorphous films as a result of ...
  • Layer structure formation in Hg₁₋xCdxTe films after high-frequency sonication 
    Savkina, R.K.; Sizov, F.F.; Smirnov, A.B.; Tetyorkin, V.V. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2006)
    Electrophysical parameters of Hg₁₋xCdxTe thin films grown by liquid-phase epitaxy and molecular-beam epitaxy were investigated before and after the high-frequency sonication ( fUS = 7.5 MHz, WUS ~ 10⁴ W/m²). It was determined ...
  • Layout problems for arc objects in convex domains 
    Pankratov, A.; Romanova, T.; Kotelevskiy, A. (Проблемы машиностроения, 2016)
    We introduce a new methodology for solving layout problems. Our objects and containers are bounded by circular arcs and line segments. We allow continuous object translations and rotations as well as minimal allowable ...
  • LC acousto-optical transducer for nondestructive holographic control systems 
    Oleksenko, P.; Sorokin, V.; Zelinskyy, R.; Tytarenko, P. (Semiconductor Physics Quantum Electronics & Optoelectronics, 2005)
    The construction of acousto-optical display based on the hysteretic in cholesteric liquid crystals (CLCs) is proposed for nondestructive holographic test systems. The influence oblique reactive sputtering deposited thin ...
  • L-cross-sections of the finite symmetric semigroup 
    Bondar, E. (Algebra and Discrete Mathematics, 2014)
    In the present paper we give the description of all L-cross-sections of the finite symmetric semigroup.
  • Leaching of uranium ores in the process of sodium sulphate electrolysis 
    Nefedov, V.G.; Sknar, Yu.E.; Kharytonova, O.A. (Вопросы атомной науки и техники, 2019)
    When uranium is extracted from concentrates with high silicon content, acid leaching is usually used. The disadvantage of this method is the high consumption, high cost and corrosion activity of the reagents. Moreover, for ...