Results 271 to 280 of about 4,370,382 (329)

New quantum codes from constacyclic codes over a non-chain ring

Quantum Information Processing, 2021
Adel Alahmadi, Habibul Islam, O. Prakash, P. Solé, A. Alkenani, N. Muthana, R. Hijazi   +6 more
semanticscholar   +1 more source

Ring-Closing Metathesis and Ring-Opening Metathesis Polymerization toward Main-Chain Ferrocene-Containing Polymers

Macromolecules, 2018
We report the preparation of cyclic ferrocenyl olefins with various substituents and different ring sizes by ring-closing metathesis (RCM). These ferrocene-containing monomers were subject to ring-opening metathesis polymerization (ROMP), leading to main-
Ye Sha, Yudi Zhang, Tianyu Zhu, Shaobo Tan, Yujin Cha, S. Craig, Chuanbing Tang   +6 more
semanticscholar   +1 more source

Rings with Chain Conditions

2014
Chapter 7 continues to develop the theory of rings and studies chain conditions for ideals of a ring. The motivation came from an interesting property of the ring of integers Z that its every ascending chain of ideals terminates. This interesting property of Z was first recognized by the German mathematician Emmy Noether (1882–1935).
Mahima Ranjan Adhikari, Avishek Adhikari
openaire   +1 more source

Electronic structure of heterocyclic ring chain polymers

Synthetic Metals, 1999
The band gaps, ionization potentials and electron affinities of conjugated chain polymers comprising heterocyclic aromatic rings are studied systematically as a function of atomic substitutions with N, O and S using first principles density functional calculations.
Brocks, G., Tol, A.E.M., Tol, Arie
openaire   +3 more sources

Chain–ring interconversion in metasilicates

J. Chem. Soc., Chem. Commun., 1981
Theoretical studies indicate that lattices of the chain and ring varieties of CaSiO3 fit together with only slight mis-match; high resolution electron microscopic studies of a sample undergoing conversion from chain- to ring-structure, however, indicate that intergrowths do not occur and, instead, the chain structure recrystallises via a glassy phase ...
Wen Shu-Lin, S. Ramdas, D. A. Jefferson
openaire   +1 more source

Right chain rings.

1986
Schriftenreihe des Fachbereichs Mathematik.
Törner, Günter, Bessenrodt, Chr., Brungs, H.H.   +2 more
openaire  

Designing S-boxes triplet over a finite chain ring and its application in RGB image encryption

Multimedia tools and applications, 2020
Saira Jahangir, T. Shah
semanticscholar   +1 more source

Periodic Borromean rings, rods and chains

Acta Crystallographica Section A Foundations and Advances
This article describes periodic polycatenane structures built from interlocked rings in which no two are directly linked. The 2-periodic vertex-, edge- and ring-transitive families of hexagonal Borromean rings are described in detail, and it is shown how these give rise to 1- and 3-periodic ring-transitive (isonemal) families.
Michael O'Keeffe, Michael M. J. Treacy
openaire   +3 more sources

Completely Primary Rings: IV. Chain Conditions

The Annals of Mathematics, 1952
In [1], [2] and [3] no chain conditions occur anywhere; the strongest "finiteness condition" which had to be postulated for certain parts of the theory was that the rings have nilpotent radicals. (Square brackets refer to the references; [1], [2] and [3] will again be referred to as CPI, CPII and CPIII.) In the present paper we apply the results of CPI,
openaire   +2 more sources

Finite chain rings

Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg, 1973
Clark, W. Edwin, Drake, David A.
openaire   +1 more source