We present Moving Participants Turtle Consensus (MPTC), an asynchronous consensus protocol for crash and Byzantine-tolerant distributed systems. MPTC uses various moving target defense strategies to tolerate certain Denial-of-Service (DoS) attacks issued by an adversary capable of compromising a bounded portion of the system. MPTC supports on the fly reconfiguration of the consensus strategy as...

We derive equilibrium properties of participation in a large family of economic games that take place when players’ information is incomplete. The fact that participation is almost always costly introduces a crucial distinction between players and participants. The number of players is exogenous but the number, or distribution, of participants is part of equilibrium. We assume a quite general s...

The global Covid-19 pandemic has severely hit the lives of people Nepal. country witnessed two phases lockdown over 10 months from March 2020 until August 2021. I completed my PhD data collection in Nepal through February to April 2021, when pandemic’s risk was naturally lowered. My research explores local value systems communities involved school governance Lalitpur, Accordingly, participants ...

BACKGROUND Reduced responsiveness to positive incentives is a central feature of Major Depressive Disorder (MDD). In the present study, we compared neural correlates of monetary incentive processing in unmedicated depressed participants and never-depressed control subjects. METHODS Fourteen currently depressed and 12 never-depressed participants underwent functional magnetic resonance imaging...

This Distributed Graduate Seminar (DGS) aims to synthesize current ecological information on the role that biodiversity in agricultural landscapes (agrobiodiversity) plays in providing ecosystem services. In recent years numerous studies aimed at examining the importance of agroecosystems to the conservation of biodiversity have been published. These studies focus on identifying the types of ag...

Massive Open Online Courses (MOOCs) open up learning opportunities to a large number of people. A small percentage (around 10%) of the large numbers of participants enrolling in MOOCs manage to ?nish the course by completing all parts. The term ‘dropout’ is commonly used to refer to ‘all who failed to complete’ a course, and is used in relation to MOOCs. Due to the nature of MOOCs, with student...

These are the proceedings of the workshop ”HadAtom99”, held at the Institut für Theoretische Physik, Universität Bern, October 14 15, 1999. The main topics discussed at the workshop were the physics of hadronic atoms and in this context recent results from Chiral Perturbation Theory. Included here are the program, the list of participants and a short contribution from the speakers.