periodic group
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2020 ◽  
Vol 4 (2) ◽  
pp. 112
Author(s):  
Andi Wahed ◽  
Sitti Habibah

This Research was aimed to determine the Implementation of Principalship’s Instructional Supervision on SD Inpres BTN IKIP 1 and SD Inpres BTN IKIP 2 of Makassar city which has implemented Kurtilas (Curriculum 2013). This research background is there policy regulated in implementation curriculum 2013 on which effect to instructional action so then it’s needed role principalship as instructional supervision. An approach used in this research is qualitative method, to describe comparation of both elementary schools. Data collection technique used interview, observation, and documentation technique. Data source derive some informant, activity and document which about instructional supervision activity principalship on SD Inpres BTN IKIP 1 and SD Inpres BTN IKIP 2. The result this research is implementation of instructional supervision based Kurtilas on SD Inpres BTN IKIP 1 Makassar is done by principalship trough some approach and technique that are indirect used individual and group techniques, motivating teachers contextually to continuous improvement them and used model teachers to knowledge transfer to other teachers. While the implementation of instructional supervision based Kurtilas on SD Inpres BTN IKIP 2 Makassar is done by principalship trough some approach and technique that is directly individual and group techniques, teachers’ supervision contextually on visiting class and meeting periodically. The implementation of instructional supervision based Kurtilas on SD Inpres BTN IKIP 1 is done carry out informally (individually) in a relaxed (humanist) style as well as group discussion and teacher empowerment activities as models, while the implementation of supervision based Kurtilas at SD Inpres BTN IKIP 2 is done formally in periodic group discussion activities which are also accompanied by class visits.


2020 ◽  
Vol 53 (2) ◽  
pp. 218-220
Author(s):  
P. Danchev

We find a satisfactory criterion when a commutative group ring $R(G)$ is periodic only in terms of $R$, $G$ and their sections, provided that $R$ is local.


2020 ◽  
Vol 12 (2) ◽  
pp. 21-27
Author(s):  
Farkhat Nurgayazovich Garif'yanov ◽  
Elena Vasil'evna Strezhneva

2019 ◽  
Vol 53 (3 (250)) ◽  
pp. 147-149
Author(s):  
V.S. Atabekyan ◽  
H.T. Aslanyan

We prove that each automorphism of order 2 of any non-abelian periodic group of odd period has a non-trivial fixed point.


2019 ◽  
Vol 29 (04) ◽  
pp. 627-638 ◽  
Author(s):  
M. De Falco ◽  
F. De Giovanni ◽  
C. Musella ◽  
Y. P. Sysak

A group is called a [Formula: see text]-group if all its subnormal subgroups are normal. It is proved here that if [Formula: see text] is an uncountable soluble periodic group of regular cardinality [Formula: see text] in which all subnormal subgroups of cardinality [Formula: see text] are normal, then [Formula: see text] is a [Formula: see text]-group, provided that it satisfies a suitable residual condition. An example shows that this latter restriction cannot be avoided.


2018 ◽  
Vol 10 (03) ◽  
pp. 701-721
Author(s):  
Michael Sun

We show that for any countable discrete maximally almost periodic group [Formula: see text] and any UHF algebra [Formula: see text], there exists a strongly outer product type action [Formula: see text] of [Formula: see text] on [Formula: see text]. When [Formula: see text] is also elementary amenable, Matui–Sato have shown that such actions have their tracial Rokhlin property. Consequently, the class of crossed products [Formula: see text] satisfy Elliott’s classification conjecture. We also show the existence of the “Rokhlin” property for countable discrete almost abelian group actions on the universal UHF algebra.


2017 ◽  
Vol 9 (5) ◽  
pp. 62
Author(s):  
Ogaba Philip Obande

We show that the chemical periodic group is geometric and that the fundamental constant FC is an intrinsic physical property of the atom, it is geometric, an invariant 3-D slice of spacetime that constitutes internal structure of the atom.


Author(s):  
Wangpeng He ◽  
Binqiang Chen ◽  
Yanyang Zi

In this paper, a wavelet-based periodic group-sparse signal denoising approach is proposed for detecting faults in rotary machines. The proposed approach exploits group sparsity in the wavelet domain. For this purpose, a periodicity-induced overlapping group shrinkage technique is utilized to threshold the wavelet coefficients. The wavelet coefficients are obtained by using the tunable Q-factor wavelet transform to decompose the measured vibration signals. The proposed approach is constrained to promote sparsity more strongly than convex regularization for estimating periodic group-sparse signals in noise, while avoiding nonconvex optimization. In addition, this maximally sparse convex approach has the advantage of preserving the oscillatory behavior of the useful fault features. A simulated signal is formulated to verify the performance of the proposed approach in periodic feature extraction. The detection performance of the proposed approach is compared with that of the comparative methods via root mean square error values. Finally, the proposed approach is applied to fault diagnosis of both experimental cases and engineering application. The processed results demonstrate that the proposed feature extraction technique can effectively detect the fault features from heavy background noise.


Filomat ◽  
2017 ◽  
Vol 31 (1) ◽  
pp. 35-44
Author(s):  
Mustafa Alkan ◽  
Yilmaz Simsek

In this paper, we study the generalization Bernoulli numbers and polynomials attached to a periodic group homomorphism from a finite cyclic group to the set of complex numbers and derive new periodic group homomorphism by using a fixed periodic group homomorphism. Hence, we obtain not only multiplication formulas, but also some new identities for the generalized Bernoulli polynomials attached to a periodic group homomorphism.


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