Titlebook: Topics in Theoretical Computer Science; Second IFIP WG 1.8 I Mohammad Reza Mousavi,Jiří Sgall Conference proceedings 2017 IFIP Internationa

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Conference proceedings 20177, held in Tehran, Iran, in September 2017. . The 8 papers presented in this volume were carefully reviewed and selected from 20 submissions. They were organized in topical sections named: algorithms and complexity; and logic, semantics, and programming theory..

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Inverse Multi-objective Shortest Path Problem Under the Bottleneck Type Weighted Hamming Distance weighted Hamming distance and is proposed an algorithm to solve the inverse problem. Our proposed algorithm can be applied for some other inverse multiobjective problem. As an example, we will mention how the algorithm is used to solve the inverse multi-objective minimum spanning tree problem under the bottleneck type weighted Hamming distance.

Arthropathy

A Decidable Subtyping Logic for Intersection and Union Typesa-Dezani-de’Liguoro type assignment system and we provide a sound interpretation of the proof-functional logic with the . logic, using Mints’ realizers..We finally present a sound and complete algorithm for subtyping in presence of intersection and union types. The algorithm is conceived to work for the (sub)type theory ..

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Design and Validation of Cloud Storage Systems Using Formal Methodstioned, and replicated data stores. Such cloud storage systems are complex software artifacts that are very hard to design and analyze. Formal specification and model checking should therefore be beneficial during their design and validation. In particular, I propose rewriting logic and its accompan

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A Characterization of Horoidal Digraphs .. We shall characterize the horoidal digraphs, combinatorially. Then, we construct a new digraph from an arbitrary digraph in such a way that the new digraph has an upward embedding on sphere if and only if it is horoidal. By using these constructed digraphs, we show that the decision problem whet

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Gomory Hu Tree and Pendant Pairs of a Symmetric Submodular Systemusing every Gomory Hu tree of . we can obtain an element of . which has minimum value among all the elements of . This tree can be constructed iteratively by solving . minimum .-separator problem. An ordered pair (., .) is called a pendant pair of . if . is a minimum .-separator. Pendant pairs of a

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