Results 11 to 20 of about 1,006,297 (273)

Construction of reversible cyclic codes over 𝔽q + u𝔽q + u2𝔽q

Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2023
Let q be a power of prime p. In this article, we investigate the reversible cyclic codes of arbitrary length n over the ring R = 𝔽q +u𝔽q + u2𝔽q, where u3 = 0 mod q.
Rehman Nadeem ur, Ahmad Mohammad Fareed, Azmi Mohd   +2 more
doaj   +1 more source

Enlighten the non-illuminated region by phase segregation of mixed halide perovskites

Light: Science & Applications, 2022
Ions in mixed halide perovskite migrate to the non-illuminated region to form a macroscopic ring structure under laser irradiation, which is reversible after removing the light.
Yan Lv, Junran Zhang, Xiaolong Chen, Lin Wang   +3 more
doaj   +1 more source

Analysis of Runner Dynamics of Reversible Hydraulic Turbine by Alternating Fluid–Solid Action

Frontiers in Energy Research, 2022
In order to study the effect of alternating fluid–solid action on the dynamic characteristics of the runner of a reversible hydraulic turbine, a reversible hydraulic turbine model is used as the research object, and the two-way fluid–solid coupling ...
Lu Xin, Qifei Li, Qifei Li, Zhenggui Li, Gengda Xie, Qifan Wang   +5 more
doaj   +1 more source

CHARACTERIZATIONS OF t2-REVERSIBLE RINGS

South East Asian J. of Mathematics and Mathematical Sciences, 2023
This article aims to investigate the ring theoretic structures of (strongly) t2-reversible ring using the concept of non-zero tripotent elements. A ring R is said to be t2-reversible if ab = 0 implies bat2 = 0 for all a,b ∈ R and t is a non-zero tripotent element of R.
Imdadul Hoque, H. M., Khanam, Masuma
openaire   +2 more sources

Identifying Low-Frequency Tree-Ring Variation

, 1991
I propose an approach to provide 95% confidence intervals for a chronology of low-frequency tree-ring variation so that a level of significance or importance for trends can be inferred.
Sheppard, Paul R.
core   +4 more sources

Reverse mathematics of rings [PDF]

, 2021
<p>Using the tools of reverse mathematics in second-order arithmetic, as developed by Friedman, Simpson, and others, we determine the axioms necessary to develop various topics in commutative ring theory. Our main contributions to the field are as follows.
openaire   +3 more sources

A generalization of reflexive rings [PDF]

Mathematica Bohemica
We introduce a class of rings which is a generalization of reflexive rings and $J$-reversible rings. Let $R$ be a ring with identity and $J(R)$ denote the Jacobson radical of $R$.
Mete Burak Çalcı, Huanyin Chen, Sait Halıcıoğlu   +2 more
doaj   +1 more source

Using positive feedback adiabatic logic to implement reversible Toffoli gates [PDF]

, 2008
A reversible, positive feedback adiabatic logic circuit is presented, which by implementing the universal Toffoli gate demonstrates that reversible logic circuits can be created and implemented using this adiabatic logic family. When compared to circuits
Willingham, D.J., Kale, I., Izzet Kale, David J. Willingham   +3 more
core   +1 more source

Revised Computer Programs for Tree-Ring Research

, 1979
Three computer programs that are basic to the processing and development of tree -ring chronologies are now available. They were designed to refine and replace older programs that were previously furnished by the laboratory.
Graybill, Donald A.
core   +5 more sources

The D-ring, Not the A-ring, Rotates in Synechococcus OS-B' Phytochrome [PDF]

, 2014
Phytochrome photoreceptors in plants and microorganisms switch photochromically between two states, controlling numerous important biological processes.
Psakis, Georgios, Psakis, G., Hughes, J., Lang, C., Matysik, J., Song, C., Kopycki, J.   +6 more
core   +1 more source