Yayın tarihi için Matematik-Bilgisayar Bölümü / Department of Mathematics and Computer Science listeleme
Toplam kayıt 62, listelenen: 21-40
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The Amalgam spaces W(Lp(x),{pn} ) and boundedness of hardy–littlewood maximal operators
(Springer, 2015)Let Lq(x)(R)Lq(x)(R) be variable exponent Lebesgue space and l{qn}l{qn} be discrete analog of this space. In this work we define the amalgam spaces W(L p(x),L q(x)) and W(Lp(x),l{qn})W(Lp(x),l{qn}), and discuss some basic ... -
Automorphisms of aut(A),A a free abelian group
(Taylor & Francis, 2015)We prove that all automorphisms of the automorphism group of an infinitely generated free abelian group are inner. -
High-order harmonic generation from confined Rydberg atoms
(IOP Publishing, 2015)We report results from our simulations of High Harmonic Generation (HHG) from a confined atom in a Rydberg state. We find that for the n = 2 excited state of H the cut-off of the harmonic spectrum is substantially extended ... -
Variation of the raman frequency of a soft mode with the pressure (20 oc) for the phase transitions in NH4F
(2016)The Raman frequency of a soft mode (238 cm-1) is analyzed as a function of pressure at 20 oC for NH4F using the experimental data from the literature. This analysis is performed for the pressure dependence of the Raman ... -
Pippard relations for cubic gauche nitrogen
(2016)The Pippard relations (CP vs. ?P and ?P vs. ?T) are examined at various temperatures up to 1200 K at zero pressure (P = 0) for the cubic gauche nitrogen. The specific heat (CP) is related to the thermal expansion (?P) and ... -
Molar volume calculated at various pressures and the Pippard relations close to the melting point in benzene
(Taylor & Francis, 2016)The molar volume of solid and liquid benzene was calculated at various pressures (at constant temperatures), and the Pippard relations were examined close to the melting point in this organic molecule. The molar volume ... -
Calculation of the soft-mode frequency for the alpha – beta transition in quartz
(Elsevier, 2016)The ? – ß structural transition occurs in quartz at TC = 846 K. The frequency of the soft mode associated with the volume increase, decreases with increasing temperature as the transition temperature is approached. In this ... -
Pippard relation close to the alpha - beta transition for quartz in granite
(American Institute of Physics, 2016)In this study, we examine variation of the thermal expansion ?p with the isothermal compressibility KT at various temperatures (1 atm) close to the ?-ß transition in quartz using the experimental data from the literature. ... -
Pressure effect on the cholesteric – smectic A transition in cholestryl myristate
(Taylor & Francis, 2016)Cholesteryl myristate exhibits tricritical behavior under high pressures close to its cholesteric-smectic A (Ch/SA) transition, as observed experimentally. We study here the thermodynamic properties of this liquid crystal ... -
Temperature effect on the structural ferroelectric – paraelectric transition in Li2Ge7O15
(Taylor & Francis, 2016)Li2Ge7O15 (LGO) undergoes the ferroelectric – paraelectric transition at Tc D283.5K. The crystal structure of LGO is orthorhombic with the four formula units in the unit cell in the paraelectric phase (T < TC) . The ... -
Variation of the molar volume with the temperature and the Pippard relations near the melting point in benzene
(Elsevier, 2016)In this study, we calculate variation of the molar volume with the temperature at constant pressures (70.5, 85.2, 128 and 175.2 MPa) using the experimental data from the literature for the solid and liquid phases of benzene ... -
Analysis of the thermal expansivity near the tricritical point in dilute chromium alloys
(American Institute of Physics, 2016)Chromium (Cr) undergoes a first order Neel transition as an antiferromagnetic material. When V, Mo and Mn atoms are substituted in the Cr lattice, a weak first order Neel transition in pure Cr changes toward a second order ... -
Calculation of the spontaneous polarization for Pb1-xCaxTiO3 close to the tricritical point
(Taylor & Francis, 2016)We calculate the spontaneous polarization as a function of temperature for a mixed crystal of Pb1-xCaxTiO3 close to the tricritical pointdx (x = 0.4). This calculation of the spontaneous polarization is performed using the ... -
Synthesis, characterization and metal ion sensing properties of novel pyridone derivatives phthalocyanines
(World Scientific Pub., 2016)The design of novel substituted phthalocyanines closely follows the requirement of their planned applications. In this study, synthesize of novel pyridone derivatives metal-free and symmetrical cobalt(II) phthalocyanines ... -
Pressure dependence of the heat capacity near the melting point in benzene
(Elsevier Science, 2017)The heat capacity C-p is calculated as a function of pressure at constant temperatures of 25, 40 and 51 degrees C for the solid and liquid phases of benzene near the melting point. For this calculation, the observed molar ... -
Calculation of the Raman frequency shifts for the ? phase of solid oxygen
(Elsevier, 2017)We calculate in this study the Raman frequencies of the two librons and one vibron at various pressures at constant temperatures of 10 K and also at the temperatures of 6 and 18 K by using the volume data from the literature ... -
Analysis of vibrational spectra in relation to the thermodynamic quantities close to the phase transitions in ammonium halides (NH4F and NH4I)
(Elsevier, 2017)The pressure dependences of the vibrational frequencies of the TO and L modes are analyzed from the literature data and the thermodynamic quantities such as isothermal compressibility K gamma, thermal expansion alpha p and ... -
Calculation of the C-P-C-V as a function of temperature close to the melting point in benzene
(Taylor & Francis, 2018)The temperature dependence of the C-P - C-V is calculated at constant pressures using the observed volume data from the literature for solid and liquid benzene near the melting point. Our calculated values are compared ... -
Calculation of the thermodynamic quantities from the Raman frequency shifts and the Pippard relations for the alpha, -alpha and alpha ' phases of oxygen
(Elsevier, 2018)Thermodynamic quantities such as the isothermal compressibility, thermal expansion and the difference in the specific heat are calculated as a function of pressure (T=10 K) for the alpha,-alpha and alpha ' phases of oxygen ... -
Inclusions and the approximate identities of the generalized grand Lebesgue spaces
(TUBITAK, 2018)Let (Omega, Sigma, mu) and (Omega, Sigma, upsilon) be two finite measure spaces and let L-p(),theta )(mu) and L-q),L-theta (upsilon) be two generalized grand Lebesgue spaces [9,10] , where 1 < p, q < infinity and theta >= ...