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255.541  Articles
1 of 25.555 pages  |  10  records  |  more records»
For any q>p>0q > p > 0, ?>0,\omega > 0, d=2?,d \ge 2 \omega,  we obtain the following sharp inequality of various metrics?x?Lq(Id)=?f+c?Lq(I2?)?f+c?Lp(I2?)?x?Lp(Id) \|x\|_{L_q(I_{d})} \le \frac{\|\varphi + c\|_{L_q(I_{2\omega})}}{\|\varphi +... see more

Today, the use of e-mail, especially for formal online communication, is still often done. There is one common problem faced by e-mail users, which is the frequent receiving of spam messages. Spam messages are generally in the form of advertising or promo... see more

We obtain the conditions under which the exact values of the best relative approximation of classes of periodic functions by splines coincide with the exact values of the best approximations of these classes by splines without constraints.

Social scientists distinguish different cultural approaches to childrearing, related to the social class positions of the families. The middle-class childrearing style is often described as ‘concerted cultivation’, and the ‘accomplishment of natural growt... see more

The denition of the propagation criterion of Boolean functions was introduced by Bart Preneel and co-authors. This concept represent a set of vectors, for which the corresponding derivatives of a Boolean function are balanced.  It... see more

The classic blockchain design implies the mining procedure, which is essentially reflected in the following: to add a new block to the chain, a user has to solve an instance of some moderately hard computational problem (Proof-of-Workframew... see more

The article analyses domestic and foreign literary sources devoted to certain aspects of educational and scientific projects. The author develops the methodology for project designing and its automation algorithm by means of the Microsoft Office Project p... see more

For any p∈(0,∞]," role="presentation" style="font-size: 100%; display: inline-block; position: relative;">p?(0,8],p\in (0, \infty], ω>0," role="presentation" style="font-size: 100%; display: inline-block; position: relative;">?>... see more

Watch the VIDEO.As a central part of its work towards Open Science, Sweden is building an infrastructure for managing, storing, and providing access to research data. A vital component of this infrastructure will be functions at Swedish universities for s... see more

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