The color anti-triplet triquark qq̄q̄ is considered as a compact component in the tetraquark structure cqq̄q̄ of exotic Ds mesons. We discuss the mass spectrum and the flavor mixing of the triquarks by using the instanton induced interaction and the one-gluon exchange potentials. As a characteristic property of the triquark, we investigate the isospin violation. It is shown that the flavor 3 (isosi...

The color anti-triplet triquark qq̄q̄ is considered as a compact component in the tetraquark structure cqq̄q̄ of exotic Ds mesons. We discuss the mass spectrum and the flavor mixing of the triquarks by using the instanton induced interaction and the one-gluon exchange potentials. As a characteristic property of the triquark, we investigate the isospin violation. It is shown that the flavor 3 (isosi...

The recent article by Weina Gao and colleagues, on July issue of this Journal, showed that Brazilian green propolis have a positive effect on innate and adaptive immunity in aged mice. This role should be mainly attributed to flavonoids contained in propolis. The Authors reported that Brazilian propolis had 189.12 mg/g total polyphenols, 98.46 mg/g flavonoids, 1.95 mg/g cinnamic acid and 23 mg/...

alternate of the usurped property is a compensation paid to the owner after unavailability of usurped property. the iranian civil code, following the islamic scholars' famous view, has principally accepted the payment of this compensation but is silent as far as duties and rights of owner and usurper are concerned; hence the judge's obligation to refer to valid verdicts (fatawa) in this regard....

Let X and Y be bases of a combinatorial geometry G, and let A be any subset of X. Then there exists a subset B of Y with the property that (X—A)kjB and (Y— B)\jA are both bases ofG.

The proposed work deals with highly complex, multi-dimensional systems/processes that cannot be described using low-level details. This is due to the complexity and uncertainty inherent in their nature of functionality, behaviour, interaction, hierarchy and geometry. To keep pace with such complexity and uncertainty, abstract modelling would be useful in predicting the level and nature of the e...

A group G is called a group with basis property if there exists a basis (minimal generating set) for every subgroup H of G and every two bases are equivalent. A group G is called a group with exchange property, if x / ∈ 〈X〉 ∧ x ∈ 〈X ∪ {y}〉 , then y ∈ 〈X ∪ {x}〉, for all x, y ∈ G and for every subset X ⊆ G. In this research, we proved the following: Every polycyclic group satisfies the basis prop...

We examine the effect of insecure property and its accompanying enforcement costs on the ef®ciency of exchange. Because of the large enforcement costs that may be induced by the expectation of exchange, limited settlement without exchange may be ex ante superior for an adversary or even Pareto dominant. We therefore show how the removal of restrictions on exchange and the development of secure ...