For a hyperplane arrangement in a real vector space, the coefficients of its Poincaré polynomial have many interpretations. An interesting one is provided by the Varchenko-Gel'fand ring, which is the ring of functions from the chambers of the arrang...
projects: the Sarasota Ritz-Carlton and Ringling Estates. Ringling also envisioned establishing an art school on the museum grounds. Following the death of
Previously the five dimensional $S^1$-rotating black rings have been superposed in a concentric way by some solitonic methods, and regular systems of two $S^1$-rotating black rings were constructed by the authors and then Evslin and Krishnan (we call...
My Ring 3 doorbell recently stopped working and I can’t figure out why. I originally thought it was the battery so I replaced it with a brand new ring battery. The doorbell still ...
We discuss the Japanese and universally Japanese properties for valuation rings and Prüfer domains. These properties, regarding finiteness of integral closure, have been studied extensively for Noetherian rings, but very rarely, if ever, for non-Noe...
We investigate the ultrarelativistic boost of the five-dimensional Emparan-Reall non-rotating black ring. Following the classical method of Aichelburg and Sexl, we determine the gravitational field generated by a black ring moving ``with the speed...
Let $R$ be an associative unitary ring. A brick in the module category $R-Mod$ is a finitely generated module with a division ring as endomorphism ring. Two non-isomorphic bricks $X,Y$ are said to be orthogonal if $Hom(X,Y)=Hom(Y,X)=0$, and a class $...
Ring Theory states that a ring is an algebraic structure where two binary operations can be performed among the elements addition and multiplication. Binarization is a method of image processing where values within pixels are reduced to a scale from...
We study the classical Köthe's problem, concerning the structure of non-commutative rings with the property that: ``every left module is a direct sum of cyclic modules". In 1934, Köthe showed that left modules over Artinian principal ideal rings ar...
Just Ear-rings is the 1965 debut album by Dutch Nederbeat band Golden Earring (formerly The Golden Earrings). All songs written by Marinus Gerritsen and
In mathematics, a Poisson ring is a commutative ring on which an anticommutative and distributive binary operation [ ⋅ , ⋅ ] {\displaystyle [\cdot ,\cdot
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We present a catalog and imaging atlas of classical (collisional) RING galaxies distilled from the Arp-Madore Atlas of Southern Peculiar Galaxies and Associations and supplemented with other known RING galaxies from the published literature. The ca...
Europe and the world. Bird banding is the term used in the United States. Organised ringing efforts are called ringing or banding schemes, and the organisations
Feb 15, 2026 · My now husband proposed to me with a stunning black diamond ring from Barkev’s back in 2018. Just recently we reached out to them to have two custom wedding bands made for the ring …
For the Schnakenberg model, we consider a highly symmetric configuration of N spikes whose locations are located at the vertices of a regular N-gon inside either a unit disk or an annulus. We call such configuration a ring of spikes. The ring radius...
We study the class of rings $R$ for which every direct sum of injective $R$-modules is cotorsion. We call them weakly $Σ$-cotorsion rings. The defining property might be seen as the dual of Chase's characterization of coherence in terms of the flatn...