241 research outputs found

    Equivariant Crossed Modules and Cohomology of Groups with Operators

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    In this paper we study equivariant crossed modules in its link with strict graded categorical groups. The resulting Schreier theory for equivariant group extensions of the type of an equivariant crossed module generalizes both the theory of group extensions of the type of a crossed module and the one of equivariant group extensions.Comment: 20 pag

    Elimination of Child Labor in Vietnam's New Generation of Free Trade Agreements

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    As of March 2021, Vietnam negotiated and signed the new generation of Free Trade Agreements (FTAs), consisting of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP), the European-Vietnam Free Trade Agreement (EVFTA), and the Vietnam-Eurasian Economic Union Free Trade Agreement (VN-EAEU FTA). One of the critical issues of these agreements is non-commercial provisions, especially commitments to the elimination of child labor. This study aimed to examine the implementation of the commitment to eliminate child labor in the new generation of FTAs under the principle of pacta sunt servanda and the government's responsibility to comply with international treaties according to the 2013 Constitution. Based on the obligations arising from international treaties, Vietnam must comply with all commitments agreed upon as a state member. As a result, it is necessary to implement suitable solutions to implement these commitments properly, especially the elimination of child labor, according to the three mentioned FTAs. By using comparative and evaluated methods, this study analyzed and commented on the similarities and differences between the Vietnam labor legal system and these three agreements on eliminating child labor. This study indicated relative compatibility between regulations in three FTAs and the Vietnamese legal system. Subsequently, there is a need to improve the effective implementation of these commitments by amending the definition of children, working hours, and classifying violations against the law regarding the employment of workers under 16 years old of coercive labor into the group of crimes and criminal liabilities to commercial legal entities. KEYWORDS: Child Labor, Free Trade Agreements, Vietnam

    Impact of contextual and individual factors on rural women entrepreneurship

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    This study proposes a novel model of female entrepreneurship in rural areas of transitional countries. This model indicates indirect influences of various community contextual factors and highlights six individual qualities that largely determine the entrepreneurial propensity and behaviours of the females

    Optimal condition for Propagation and Growing of Dendrobium thyrsiflorum

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    Dendrobium thyrsiflorum is a medicinal orchid that is being gradually destroyed due to over-exploitation. This research focuses on in vitro production of D. thyrsiflorum plantlet under optimal acclimatization conditions. The results of the study showed that the best medium for seed germination was MS basal medium (full-strength MS nutrient plus 100 ml L-1 coconut water; 7 g L-1 agar, 30 g L-1 sucrose, and 0.5 g L-1 active charcoal) supplemented with 60 g L-1 mashed sweet potatoes, which induces 97.8% of seed germination. The shoot was well developed in MS basal medium supplemented with 60 g L-1 mashed sweet potatoes and 0.4 mg L-1 6-Benzylaminopurine (BA) and, corpulent and green in shoot morphology. The shoot multiplication rate was greatest on MS basal medium supplemented with 0.4 mg L-1 BA and 0.4 mg L-1 Kinetin with 4.53 times, and the shoot height was reported at 3.45 cm after 8 weeks of subculture. Further, The shoot was 100% rooting, with an average of 4.51 roots/shoot and 5.34 cm per root in length when the shoot was implanted on MS basal medium plus 60 g L-1 mashed sweet potatoes and 0.75 g L-1 active charcoal. Especially, plantlets after transplanting to the orchid net house reached a 94.8% survival rate on tree fern after 24 weeks. Hence, the results of the study suggested a successful production of D. thyrsiflorum plantlet on the selected media compositions
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