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    Book and Conference Proceedings

    Distributed Computing – IWDC 2005

    7th International Workshop, Kharagpur, India, December 27-30, 2005. Proceedings

    Ajit Pal, Ajay D. Kshemkalyani in Lecture Notes in Computer Science (2005)

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    Chapter and Conference Paper

    Performance of Fair Distributed Mutual Exclusion Algorithms

    The classical Ricart-Agrawala algorithm (RA) has long been considered the most efficient fair mutual exclusion algorithm in distributed message-passing systems. The algorithm requires 2(N – 1) messages per critic...

    Kandarp Jani, Ajay D. Kshemkalyani in Distributed Computing - IWDC 2004 (2005)

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    Article

    The power of logical clock abstractions

    Vector and matrix clocks are extensively used in asynchronous distributed systems. This paper asks, “how does the clock abstraction generalize?” To address this problem, the paper motivates and proposes logica...

    Ajay D. Kshemkalyani in Distributed Computing (2004)

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    Chapter and Conference Paper

    A Note on Modalities for Nonconjunctive Global Predicates

    Global predicate detection is an important problem in distributed executions. A conjunctive predicate is one in which each conjunct is defined over variables local to a single process. Polynomial space and tim...

    Ajay D. Kshemkalyani in Distributed Computing - IWDC 2003 (2003)

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    Chapter and Conference Paper

    A Simple, Memory-Efficient Bounded Concurrent Timestam** Algorithm

    Several constructions have been proposed for implementing a Bounded Concurrent Timestamp System (BCTS). Some constructions are based on a recursively defined Precedence Graph. Such constructions have been viewed ...

    Vivek Shikaripura, Ajay D. Kshemkalyani in Algorithms and Computation (2002)

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    Chapter and Conference Paper

    Concurrent Knowledge and Logical Clock Abstractions

    Vector and matrix clocks are exte sively used i asy chroous distributed systems.This paper asks,“how does the clock abstractio generalize?” and casts the problem in terms of concurrent knowledge. To this end, ...

    Ajay D. Kshemkalyani in FST TCS 2000: Foundations of Software Tech… (2000)

  7. Chapter and Conference Paper

    Universal Constructs in Distributed Computations

    This paper identifies two classes of communication patterns that occur in distributed computations and explores their properties. It first examines local patterns, primarily IO and OI intervals, that occur at nod...

    Ajay D. Kshemkalyani, Mukesh Singhal in Euro-Par’99 Parallel Processing (1999)

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    Article

    Causality and atomicity in distributed computations

    In a distributed system, high-level actions can be modeled by nonatomic events. This paper proposes causality relations between distributed nonatomic events and provides efficient testing conditions for the r...

    Ajay D. Kshemkalyani in Distributed Computing (1998)

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    Article

    Necessary and sufficient conditions on information for causal message ordering and their optimal implementation

    This paper formulates necessary and sufficient conditions on the information required for enforcing causal ordering in a distributed system with asynchronous communication. The paper then presents an algorith...

    Ajay D. Kshemkalyani, Mukesh Singhal in Distributed Computing (1998)

  10. Chapter and Conference Paper

    Significance and uses of fine-grained synchronization relations

    In a distributed system, high-level actions can be modeled by nonatomic events. Synchronization relations between distributed nonatomic events have been proposed to allow applications a fine choice in specifyi...

    Ajay D. Kshemkalyani in Euro-Par’98 Parallel Processing (1998)

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    Chapter and Conference Paper

    Testing of synchronization conditions for distributed real-time applications

    A set of synchronization relations between distributed nonatomic events was recently proposed to provide real-time applications with a fine level of discrimination in the specification of causality relations a...

    Ajay D. Kshemkalyani in Parallel and Distributed Processing (1998)

  12. Chapter and Conference Paper

    A framework for viewing atomic events in distributed computations

    We present a unifying framework for expressing and analyzing events at various levels of atomicity in distributed computations. In the framework, events at any level of atomicity are defined and composed in te...

    Ajay D. Kshemkalyani in Euro-Par'96 Parallel Processing (1996)