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Muscular and collagenous cerebellar choristoma in a dog
Angel Ripplinger,Stella Maris Pereira de Melo,Dênis Antonio Ferrarin,Marcelo Luís Schwab,Mathias Reginatto Wrzesinski,Júlia da Silva Rauber,Mariana Martins Flores,Glaucia Denise Kommers,Alexandre Mazz 대한수의학회 2022 Journal of Veterinary Science Vol.23 No.2
This report aims to describe the first case of muscular and collagenous choristoma in a dog. A 10-yr-old female mixed-breed dog presented with lateral recumbence, vocalization, positional vertical nystagmus, divergent strabismus, anisocoria, and status epilepticus. The clinical condition evolved to stupor and ultimately, death. Necropsy revealed a white mass causing an irregular increase in the volume of the cerebellar vermis. In histological analysis, a well circumscribed, unencapsulated mass was observed in the cerebellum, consisting of fibers of striated skeletal muscle and collagen fibers, mostly mineralized. Based on the histopathological and histochemical findings, a diagnosis of muscular and collagenous cerebellar choristoma was made.
<i>Ab initio</i> no-core solutions for <sup>6</sup>Li
Shin, Ik Jae,Kim, Youngman,Maris, Pieter,Vary, James P,Forssé,n, Christian,Rotureau, Jimmy,Michel, Nicolas IOP 2017 Journal of physics G, Nuclear and particle physics Vol.44 No.7
<P>We solve for properties of <SUP>6</SUP>Li in the <I>ab initio</I> no-core full configuration (NCFC) approach and we separately solve for its ground state and <img ALIGN='MIDDLE' ALT='${J}^{\pi }={2}_{2}^{+}$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn1.gif'/> resonance with the Gamow shell model (GSM) in the Berggren basis. We employ both the JISP16 and chiral <img ALIGN='MIDDLE' ALT='${\mathrm{NNLO}}_{\mathrm{opt}}$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn2.gif'/> realistic nucleon–nucleon interactions and investigate the ground state energy, excitation energies, point proton root mean square (rms) radius and a suite of electroweak observables. We also extend and test methods to extrapolate the ground state energy, point proton rms radius, and electric quadrupole moment. We attain improved estimates of these observables in the NCFC approach by using basis spaces up through <img ALIGN='MIDDLE' ALT='${N}_{\max }=18$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn3.gif'/> that enable more definitive comparisons with experiment. Using the density matrix renormalization group approach with the JISP16 interaction, we find that we can significantly improve the convergence of the GSM treatment of the <SUP>6</SUP>Li ground state and <img ALIGN='MIDDLE' ALT='${J}^{\pi }={2}_{2}^{+}$' SRC='http://ej.iop.org/images/0954-3899/44/7/075103/jpgaa6cb7ieqn4.gif'/> resonance by adopting a natural orbital single-particle basis.</P>
Goktas, Sertac,Kerimov, Nazim B.,Maris, Emir A. Korean Mathematical Society 2017 대한수학회지 Vol.54 No.4
The spectral problem $$-y^{{\prime}{\prime}}+q(x)y={\lambda}y,\;0 < x < 1, \atop y(0)cos{\beta}=y^{\prime}(0)sin{\beta},\;0{\leq}{\beta}<{\pi};\;{\frac{y^{\prime}(1)}{y(1)}}=h({\lambda})$$ is considered, where ${\lambda}$ is a spectral parameter, q(x) is real-valued continuous function on [0, 1] and $$h({\lambda})=a{\lambda}+b-\sum\limits_{k=1}^{N}{\frac{b_k}{{\lambda}-c_k}},$$ with the real coefficients and $a{\geq}0$, $b_k$ > 0, $c_1$ < $c_2$ < ${\cdots}$ < $c_N$, $N{\geq}0$. The sharpened asymptotic formulae for eigenvalues and eigenfunctions of above-mentioned spectral problem are obtained and the uniform convergence of the spectral expansions of the continuous functions in terms of eigenfunctions are presented.
Sertac Goktas,Nazim B. Kerimov,Emir A. Maris 대한수학회 2017 대한수학회지 Vol.54 No.4
The spectral problem \[\begin{matrix} -{y}''+q(x)y=\lambda y,{ }0<x<1, \\ y(0)\cos \beta ={y}'(0)\sin \beta ,{ }0\le \beta <\pi ;{ }\frac{{y}'(1)}{y(1)}=h(\lambda ), \\ \end{matrix}{ }\] is considered, where $\lambda $ is a spectral parameter, $q(x)$ is real-valued continuous function on $[0,1]$ and \[h(\lambda )=a\lambda +b-\sum_{k=1}^{N}{\frac{{{b}_{k}}}{\lambda -{{c}_{k}}}},\] with the real coefficients and $a\ge 0,{{b}_{k}}>0,{{c}_{1}}<{{c}_{2}}<\cdots<{{c}_{N}},N\ge 0.$ The sharpened asymptotic formulae for eigenvalues and eigenfunctions of above-mentioned spectral problem are obtained and the uniform convergence of the spectral expansions of the continuous functions in terms of eigenfunctions are presented.