Search Results - "Grigoryan, M."

On Universal Fourier Series in the Walsh System by Grigoryan, M. G.

“…We prove some theorems concerning the existence of functions whose Fourier series in the Walsh system are universal in the class of all measurable functions in…”
Get full text

On Almost Universal Double Fourier Series by Grigoryan, M. G.

“…The first examples of universal trigonometric series in the class of measurable functions were constructed by D. E. Men’shov. As follows from Kolmogorov’s…”
Get full text

On the Convergence of Negative-Order Cesàro Means of Fourier and Fourier–Walsh Series by Grigoryan, M. G.

Get full text

Universal Fourier Series by Grigoryan, M. G.

Get full text

On the Existence and Structure of Universal Functions by Grigoryan, M. G.

“…The existence of functions the Fourier–Walsh series of which are universal in the sense of signs for the class of almost everywhere finite measurable…”
Get full text

On Fourier Series Almost Universal in the Class of Measurable Functions by Grigoryan, M. G.

“…In this work, a universal trigonometric series is constructed such that, after multiplying the terms of this series by some sequence of signs , it can be…”
Get full text

On Unconditional and Absolute Convergence of the Haar Series in the Metric of with by Grigoryan, M. G.

“…We prove that there exists a universal Haar series of the form with such that, for all and , there is a numeric sequence or , , for which the series converges…”
Get full text

Stroke etiology and collaterals: atheroembolic strokes have greater collateral recruitment than cardioembolic strokes by Rebello, L. C., Bouslama, M., Haussen, D. C., Grossberg, J. A., Dehkharghani, S., Anderson, A., Belagaje, S. R., Bianchi, N. A., Grigoryan, M., Frankel, M. R., Nogueira, R. G.

“…Background and purpose Chronic hypoperfusion from athero‐stenotic lesions is thought to lead to better collateral recruitment compared to cardioembolic…”
Get full text

Functions Almost Universal in the Sense of Signs with Respect to the Trigonometric System and the Walsh System by Galoyan, L. N., Grigoryan, M. G.

Get full text

On the Absolute Convergence of Fourier–Haar Series in the Metric of Lp(0, 1), 0 < p < 1 by Grigoryan, M. G.

“…It is proved that for every ∈ > 0 there exists a measurable set E ⊂ [0, 1] with measure | E | > 1 − ∈ such that for every function f ( x ) ∈ L[0, 1] one can…”
Get full text

On the existence and structure of universal functions for weighted spaces Lμ1[0,1] by Grigoryan, M. G., Sargsyan, A.A.

“…In the paper it is shown that there exist a set E ⊂ [ 0 , 1 ] with the measure being arbitrarily close to 1 and a weighted function l t μ ( x ) ≤ 1 with μ ( x…”
Get full text

Menshov-Type Theorem for Divergence Sets of Sequences of Localized Operators by Grigoryan, M. G., Kamont, A., Maranjyan, A. A.

“…For a multiparameter sequence of suitably localized operators , , and a countable set , we construct a function such that the sequence diverges for and…”
Get full text

Universal functions with respect to the double Walsh system for classes of integrable functions by Sargsyan, A., Grigoryan, M.

“…The paper addresses questions on existence and structure of universal functions for spaces L 1 ( E ), E ⊂ [0, 1) 2 , with respect to the doubleWalsh system in…”
Get full text

Absolute Convergence of the Double Fourier-Franklin Series by Gevorkyan, G. G., Grigoryan, M. G.

“…We prove that, for every 0 < ϵ < 1, there exists a measurable set E ⊂ T = [0, 1] 2 with measure ∣ E ∣ > 1 − ϵ such that, for all f ∈ L 1 ( T ) and 0 < η < 1,…”
Get full text

Transform-based image enhancement algorithms with performance measure by Agaian, S.S., Panetta, K., Grigoryan, A.M.

“…This paper presents a new class of the "frequency domain"-based signal/image enhancement algorithms including magnitude reduction, log-magnitude reduction,…”
Get full text

Opinion research among Russian Physicians on the application of technologies using artificial intelligence in the field of medicine and health care by Orlova, I A, Akopyan, Zh A, Plisyuk, A G, Tarasova, E V, Borisov, E N, Dolgushin, G O, Khvatova, E I, Grigoryan, M A, Gabbasova, L A, Kamalov, A A

“…To date, no opinion surveys has been conducted among Russian physicians to study their awareness about artificial intelligence. With a survey, we aimed to…”
Get full text

Synthesis and Antiarrhythmic and Anticonvulsant Activities of Amino Amides and Amino Esters Based on 1-(4-Fluorophenyl)- and 1-[3-(Trifluoromethyl)phenyl]cyclopentane-1-carboxylic Acids by Arustamyan, J. S., Margaryan, R. E., Aghekyan, A. A., Mkrtchyan, G. S., Muradyan, R. E., Grigoryan, M. S., Panosyan, H. A., Mkryan, G. G.

“…The alkylation of 2-(4-fluorophenyl)- and 2-[3-(trifluoromethyl)phenyl]acetonitriles with 1,4-di­bromo­butane gave 1-(substituted…”
Get full text

Principle of Superposition by Direction Images by Grigoryan, A. M., Nan Du

“…This paper discusses the decomposition of the image by direction images, which is based on the concept of the tensor representation and its advanced form, the…”
Get full text

Synthesis and Physicochemical Properties of New Terbium(III) and Gadolinium(III) Coordination Compounds with 3,5-Dialkoxybenzoic Acids by Grigoryan, M. A., Nazarenko, M. A., Oflidi, A. I., Beresneva, Yu. S., Vasiliev, A. M.

“…Electrochemical synthesis of new terbium(III) and gadolinium(III) coordination compounds with of 3,5-dialkoxybenzoic acids was carried out. It was established…”
Get full text

Floristic Findings and Revision of Aquatic Flora of the Kuril Archipelago Reveal no Clear Differences between Biogeographical Regions by Volkova, P. A., Ivanova, M. O., Grigoryan, M. Yu, Kopylov-Guskov, Yu. O., Bobrov, A. A.

“…It is assumed that the influence of climatic factors on aquatic vascular plants is limited. We aimed to test this assumption on example of the Kuril…”
Get full text