The goal is to create and test an algorithm for finding places the optimal replacement of sections heating network district system maintain standard values trouble-free operation with a minimum financial costs. Methods. To carry out computer modeling, mathematical methods were used calculate flow distribution in branched looped thermal-hydraulic circuits. A systemic model indication parameters ...

Scientific data services are increasing in usage and scope, and with these increases comes growing need for access to provenance information. Our goal is to design and implement an extensible provenance solution that is deployed at the science data ingest time. In this paper, we describe our work in the setting of a particular set of data services in the area of solar coronal physics. The paper...

Let k be an algebraically closed field of characteristic p > 0, let m, r be integers with m ≥ 1, r ≥ 0 and m ≥ r and let S0(2m, r) be the symplectic Schur algebra over k as introduced by the first author. We introduce the symplectic Schur functor, derive some basic properties of it and relate this to work of Hartmann and Paget. We do the same for the orthogonal Schur algebra. We give a modified...

Large (km-scale) craters have been used for some years to date broad Martian surfaces, giving results subsequently supported by Martian meteorites – a mix of geologically young and old ages [1, 2]. More recently, small (10-20 m) primary craters have been seen forming on Mars [3], and the reported formation rate agrees with our crater-dating system [4, 5, 6]. This opens the door to dating of sma...

André Thess∗1, Dmitry Krasnov1, Thomas Boeck1, Egbert Zienicke1, Oleg Zikanov2, Pablo Moresco3, and Thierry Alboussière4 1 Department of Mechanical Engineering, Ilmenau University of Technology, P.O. Box 100565, 98684 Ilmenau, Germany 2 Department of Mechanical Engineering, University of Michigan Dearborn, Dearborn MI 48128-1491, USA 3 School of Physics and Astronomy, The University of Manchest...

For any n > 1, we construct examples branched Ga-lois coverings M → P n where M is one of (P 1) n , C n and (B 1) n , and B 1 is the 1-ball. In terms of orbifolds, this amounts to giving examples of orbifolds over P n uniformized by M .

Oxidative decarboxylation and transamination of 1-14C-branched chain amino and alpha-keto acids were examined in mitochondria isolated from rat heart. Transamination was inhibited by aminooxyacetate, but not by L-cycloserine. At equimolar concentrations of alpha-ketoiso[1-14C]valerate (KIV) and isoleucine, transamination was increased by disrupting the mitochondria with detergent which suggests...

I give a survey about a program which intends to find topological characterizations of a rational map and then use them to study the rigidity problem for rational maps. Thurston started this program by considering critically finite branched coverings and gave a necessary and sufficient combinatorial condition for a critically finite rational maps among all critically finite branched coverings. ...

BACKGROUND In total arch repair with open placement of a triple-branched stent graft for acute type A aortic dissection, the diameters of the native arch vessels and the distances between 2 neighboring arch vessels did not always match the available sizes of the triple-branched stent grafts, and insertion of the triple-branched stent graft through the distal ascending aortic incision was not ea...

The branched-chain amino acid transaminases (BCATs) have a crucial role in metabolism of the branched-chain amino acids leucine, isoleucine, and valine. These enzymes catalyze the last step of synthesis and the initial step of degradation of these amino acids. Although the biosynthetic pathways of branched chain amino acids in plants have been extensively investigated and a number of genes have...