FLEXIBLE DATA SHARING IN STORAGE SYSTEMS OF CLOUD COMPUTING

Data discussing systems that derive from cloud storage has acquired attention within the recent occasions. Customers are furthermore taking pleasure in the practicality of discussing data by way of cloud storage and through this method customers are increasingly more concerned regarding accidental data leaks inside the cloud. These data leaks, caused using a malicious foe can typically result in severe breaches of private privacy. Within our work we advise a manuscript idea of key aggregate searchable file encryption by instantiating the idea completely via a concrete key aggregate searchable file encryption system. Here the information owner just must allocate a specific key perfectly into a user for discussing a large number of documents, and user simply must submit a specific trapdoor towards cloud for querying shared documents. The suggested system is applicable for just about any cloud storage that supports searchable group data discussing functionality

Derivation dα,β of ordered G-semirings

In this paper, we introduce the concept of derivation dα,β of ordered G-semiring. We study some of the properties of derivation dα,β of ordered G-semirings. We prove that if a derivation dα,β is nonzero on an integral G-semiring M then it is non-zero on any non-zero ideal of M and we characterize k-ideal and m - k ideal using derivation dα,β of ordered G-semiring

(f, g)-derivation of ordered Γ-semirings

In this paper, we introduce the concept of (f, g)-derivation, which is a generalization of f- derivation and derivation of ordered Γ-semiring and study some properties of (f, g)-derivation of ordered Γ-semirings. We prove that, if d is a (f, g)-derivation of an ordered integral Γ-semiring M then ker d is a m-k-ideal of M and we characterize m-k-ideal using (f, g)-derivation of ordered Γ-semiring M

On QI-Algebras

In this paper, the notion of a QI-algebra is introduced which is a generalization of a BI-algebra and there are studied its properties. We considered ideals, congruence kernels in a QI-algebra and characterized congruence kernels whenever a QI-algebra is right distributive

On Quasi-P-Almost Distributive Lattices

In this paper, the concept of quasi pseudo-complementation on an Almost Distributive Lattice (ADL) as a generalization of pseudo-complementation on an ADL is introduced and its properties are studied. Necessary and su cient conditions for a quasi pseudo-complemented ADL(q-p-ADL) to be a pseudo-complemented ADL(p-ADL) and Stone ADL are derived and the set S(L) = {a* | a ∈ L} is proved to be a Boolean algebra. Also, the notions of ∗−congruence and kernel ideals are introduced in a quasi-p-ADL and characterized kernel ideals. Finally, some equivalent conditions are given for every ideal of a quasi-p-ADL to be a kernel ideal

Genetic variability in high temperature effects on seed-set in sorghum

Sorghum (Sorghum bicolor (L.) Moench) is grown as a dryland crop in semiarid subtropical and tropical environments where it is often exposed to high temperatures around flowering. Projected climate change is likely to increase the incidence of exposure to high temperature, with potential adverse effects on growth, development and grain yield. The objectives of this study were to explore genetic variability for the effects of high temperature on crop growth and development, in vitro pollen germination and seed-set. Eighteen diverse sorghum genotypes were grown at day : night temperatures of 32 : 21 degrees C (optimum temperature, OT) and 38 : 21 degrees C (high temperature, HT during the middle of the day) in controlled environment chambers. HT significantly accelerated development, and reduced plant height and individual leaf size. However, there was no consistent effect on leaf area per plant. HT significantly reduced pollen germination and seed-set percentage of all genotypes; under HT, genotypes differed significantly in pollen viability percentage (17-63%) and seed-set percentage (7-65%). The two traits were strongly and positively associated (R-2 = 0.93, n = 36, P < 0.001), suggesting a causal association. The observed genetic variation in pollen and seed-set traits should be able to be exploited through breeding to develop heat-tolerant varieties for future climates