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For the purposes of trace analysis of 1,4-androstadiene-3,17-dione (ADD), 1,4-androstadiene-3-one-17β-ol (Boldenone) and 17-β-estradiol in water, waste water, soil and for the further phytosterols transformation studies the enolisation-silylation reaction was studied using MSTFA and BSTFA with different catalysts as derivatization reagents. The different reaction conditions and stability of the products was also studied using GC-MS technique.

We show that the existence of a homeomorphism between omega(*)(0) and omega(*)(1) entails the existence of a non-trivial autohomeomorphism of omega(*)(0). This answers Problem 441 in [8]. We also discuss the joint consistency of various consequences of omega(*)(0) and omega(*)(1) being homeomorphic.

The core idea for this Special Issue is to reflect upon the dynamics of participation both by individuals and by groups acting in solidarity with migrants in different contexts at the individual, local and transnational levels. Using the concept of “solidarities” to address the relation between persons who have experienced migration and persons who have not, and between people and institutions, enables research to escape the “us vs. them” dichotomy, extending the debate on deservingness to society as a whole. Moreover, with the development of crossborder volunteering and the diffusion of multi-scalar partnerships between subnational governments and civil society organisations, solidarities are rescaled, and encompass new forms beyond national welfare mechanisms. Bringing together a rich collection of empirical cases that ranges from the reception of the Rohingya refugees in the Cox Bazar region of Bangladesh to border crossings along the Balkan route, from disaster solidarity in the Hanshin area in Japan to Ukrainian refugee reception in Italy, we explore acts of solidarity in different contexts as a way to try and make sense of when solidarity towards migrants is a political act, when it is about providing basic provisions subcontracted by the state to local or non-governmental actors, and when it is an act of defiance against the state.

In the present article the author points out the fact that no mention of the Cyrillo-Methodian mission to Moravia, generally considered one of the most important Byzantine ecclesiastical missions ever sent abroad, appears in the known Byzantine sources. He explains this omission from the perspective of political interests of Byzantium from which this mission was a failure. Another reason may have been the introduction of the Slavonic vernacular into liturgy, which was not an application of the allegedly common Byzantine missionary practice but a novel initiative of Constantine-Cyril. The author also focuses on the paradox that this revolutionary innovations, which became a target of fierce attacks of Frankish missionaries and provoked a strong opposition from the Latin clergy in Italy was, though temporarily, approvedy by two Roman popes. The latest paradox of the Cyrillo-Methodian mission was that its cultural legacy, while ignored and even disregarded in Byzantium and later abandoned in the country to which the Thessalonian brothers had been sent, proved one of the most effective means of spreading the Byzantine civilization and spirituality among the south and east Slavonic nations.

We present the first measurement of event-by-event fluctuations in the kaon sector in Pb - Pb collisions at root S-NN = 2.76 TeV with the ALICE detector at the LHC. The robust fluctuation correlator nu(dyn) is used to evaluate the magnitude of fluctuations of the relative yields of neutral and charged kaons, as well as the relative yields of charged kaons, as a function of collision centrality and selected kinematic ranges. While the correlator nu(dyn) [K+,K-] exhibits a scaling approximately in inverse proportion of the charged particle multiplicity, nu(dyn)[K-S(0),K-+/-] features a significant deviation from such scaling. Within uncertainties, the value of nu(dyn) [K-S(0), K-+/-] is independent of the selected transverse momentum interval, while it exhibits a pseudorapidity dependence. The results are compared with HIJING, AMPT and EPOS-LHC predictions, and are further discussed in the context of the possible production of disoriented chiral condensates in central Pb - Pb collisions.

The ALICE Collaboration has measured the energy dependence of exclusive photoproduction of J/psi vector mesons off proton targets in ultra-peripheral p-Pb collisions at a centre-of-mass energy per nucleon pair =5.02 TeV. The e+e- and mu+mu- decay channels are used to measure the cross section as a function of the rapidity of the J/psi in the range -2.5

This paper deals with stability of stochastic optimization problems in a general setting. Objective function is defined on a metric space and depends on a probability measure which is unknown, but, estimated from empirical observations. We derive stability results without precise knowledge of problem structure and without measurability assumption. The setup is illustrated on consistency of a $/varepsilon$-$M$-estimator in linear regression model.

Amorphous computing systems typically consist of myriads of tiny simple processors that are randomly distributed at fixed positions or move randomly in a confined volume. The processors are "embodied" meaning that each of them has its own source of energy, has a "body" equipped with various sensors and communication means and has a computational control part. Initially, the processors have no identifiers and from the technological reasons, in the interest of their maximal simplicity, their computational, communication, sensory and locomotion (if any) parts are reduced to an absolute minimum. The processors communicate wirelessly, e.g., in an airborne medium they communicate via a short-range radio, acoustically or optically and in a waterborne medium via molecular communication. In the extreme cases the computational part of the processors can be simplified down to probabilistic finite state automata or even combinatorial circuits and the system as a whole can still be made universally programmable. From the theoretical point of view the structure and the properties of the amorphous systems qualify them among the simplest (non-uniform) universal computational devices. From the practical viewpoint, once technology will enable a mass production of the required processors a host of new applications so far inaccessible to classical approaches to computing will follow.

Potassium promoted Co-Mn-Al mixed oxide catalysts belong to active catalysts forcatalytic N2O decomposition [1] . Many factors can influence catalytic activity of prepared catalyst. Therefore, in this study the effect of calcination temperature on physico-chemical properties and catalytic activity of K/Co4MnAlOx mixed oxide wasinvestigated.