Results 31 to 40 of about 56,105 (299)
Gelfand theorem implies Stone representation theorem of Boolean rings
International Journal of Mathematics and Mathematical Sciences, 1995 Stone Theorem about representing a Boolean algebra in terms of open-closed subsets of a topological space is a consequence of the Gelfand Theorem about representing a B∗- algebra as the algebra of continuous functions on a compact Hausdorff space.
Parfeny P. Saworotnow
doaj +1 more source
"Only the Wall Put a Stop to the Inflow of Monsters": Bodies and Borders in Post-Wall Berlin
Studies in 20th & 21st Century Literature, 2004 In his seminal study Flesh and Stone, Richard Sennett showed that urban space is significantly shaped through the ways in which humans perceive their bodies…
Katharina Gerstenberger
doaj +1 more source
Mathematical Modelling of the Fruit-Stone Culture Seeds Calibration Process Using Flat Sieves
Acta Technologica Agriculturae, 2021 The paper provided describes a mathematical model of calibration process of fruit-stone culture seeds of cherry, sweet cherry, cherry-plum, apricot and almond using flat sieves with impact shock ball cleaners oscillating in the horizontal plane.
Karaiev Oleksandr +8 more
doaj +1 more source
Management of a Lost Stone During Laparoscopic Ureterolithotomy: Video Article
Translational Research in Urology, 2021 Introduction Laparoscopic ureterolithotomy (LU) is a viable option for large ureteral stones (1, 2). The lost stone during laparoscopy is a rare event and most reports are in gallstone surgeries.
Alimohammad Fakhr Yasseri +2 more
doaj +1 more source
Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment
Molecular Oncology, EarlyView.This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley +1 more source
SOME REPRESENTATIONS CONNECTED WITH ULTRAFILTERS AND MAXIMAL LINKED SYSTEMS
Ural Mathematical Journal, 2017 Ultrafilters and maximal linked systems (MLS) of a lattice of sets are considered. Two following variants of topological equipment are investigated: the Stone and Wallman topologies.
Alexander G. Chentsov
doaj +1 more source
Molecular Oncology, EarlyView.Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson +9 more
wiley +1 more source
Molecular Oncology, EarlyView.Glioma cells mainly express the endothelin receptor EDNRB, while EDNRA is restricted to a perivascular tumor subpopulation. Endothelin signaling reduces glioma cell proliferation while promoting migration and a proneural‐to‐mesenchymal transition associated with poor prognosis. This pathway activates Ca2+, K+, ERK, and STAT3 signalings and is regulated
Donovan Pineau +36 more
wiley +1 more source
Molecular Oncology, EarlyView.Dormant cancer cells can hide in distant organs for years, evading treatment and the immune system. This review highlights how signals from the surrounding tissue and immune environment keep these cells inactive or trigger their reawakening. Understanding these mechanisms may help develop therapies to eliminate or control dormant cells and prevent ...
Kanishka Tiwary +1 more
wiley +1 more source
Jurnal PensilThis study aimed to determine the feasibility of the wood workshop area in the Wood Stone and Plumbing Workshop, Faculty of Engineering, State University of Medan, based on the required standards.
Liana Atika +6 more
doaj +1 more source