This paper presents the XAMG library for solving large sparse systems of linear algebraic equations with multiple right-hand side vectors. The specializes but is not limited to solution obtained from discretization elliptic differential equations. A corresponding set numerical methods includes Krylov subspace, multigrid, Jacobi, Gauss-Seidel, and Chebyshev iterative methods. parallelization imp...

pleural epithelioid hemangioendothelioma (ehe) is a rare malignancy of vascular-endothelial origin with non-specific symptoms and an unpredictable outcome. diagnosis of this condition by imaging modalities is challenging, and no standard therapeutic approaches have been established in this regard. in this paper, we described the case of a patient with a low-grade fever, coughing and chest pain ...

we report a rare case of base of tongue tuberculosis following pulmonary tuberculosis. patient presented to us with chief complaints of sore throat and pain on swallowing for period of 3 months. on examination with 70 degree telescope, we observed an ulcer on right side of base of tongue. the edges of the ulcer appeared to be undermined with whitish slough at the centre of the ulcer. examinatio...

A 68-year-old woman with a history of multiple myeloma presented to the clinic with pain and vision loss in her right eye. Proptosis was observed in her right eye and eye movements were restricted in all directions. Best corrected visual acuity was 3/10 in her right eye. On biomicroscopic examination, hyperemia and subconjunctival hemorrhage were present. Fundus examination of the right eye rev...

in this paper we study right $n$-engel group elements‎. ‎by modifying a group constructed by newman and nickel‎, ‎we construct‎, ‎for each integer $ngeq 5$‎, ‎a 2-generator group $g =langle a‎, ‎brangle$ with the property that $b$ is a right $n$-engel‎ ‎element but where $[b^k,_n a]$ is of infinite order when $knotin {0‎, ‎1}$‎.

This article has presented a rare case of multiple fibroadenomas of the breasts and axillary accessory breast. In the light of current knowledge, the most proper management is discussed. A 37-year-old woman was referred to our Breast Service due to complaint of a right axillary accessory breast nodule. On physical examination, there were no palpable breast nodules. Bilateral axillary accessory ...