This paper presents a new self-clinching fastener to connect two sheets (or plates), made from similar or dissimilar materials, placed over one another by means of mechanical form-closed joint that is hidden inside the sheets. The development fastener, definition its main design variables and identification workability limits are carried out combined experimental numerical simulation work based...

It has been suggested recently that self–interacting dark matter fits better the observational characteristics of galaxy dynamics. We propose that the self–interacting dark matter is composed from the glueballs of the hidden sector non–Abelian gauge group, while the hidden matter states exist in vector–like representation and decouple from the light spectrum. It is shown that these glueballs ar...

We demonstrate that the self-similarity of some scale-free networks with respect to a simple degree-thresholding renormalization scheme finds a natural interpretation in the assumption that network nodes exist in hidden metric spaces. Clustering, i.e., cycles of length three, plays a crucial role in this framework as a topological reflection of the triangle inequality in the hidden geometry. We...

We propose a technique for fusing the output of multiple Magnetic Resonance (MR) sequences to robustly and accurately segment brain lesions. It is based on an augmented multi-sequence hidden Markov model that includes additional weight variables to account for the relative importance and control the impact of each sequence. The augmented framework has the advantage of allowing 1) the incorporat...

There is strong evidence in favor of the idea that dark matter is self interacting, with the cross section-tomass ratio σ=m ∼ 1 cm=g ∼ 1 barn=GeV. We show that viable models of dark matter with this large cross section are straightforwardly realized with non-Abelian hidden sectors. In the simplest of such models, the hidden sector is a pure gauge theory, and the dark matter is composed of hidde...