Foundations of Software Technology and Theoretical Computer Science: 19th Conference, Chennai, India, December 13-15, 1999 Proceedings

Invited Talk 1.- Recent Developments in the Theory of Arrangements of Surfaces.- Session 1(a).- Dynamic Compressed Hyperoctrees with Application to the N-body Problem.- Largest Empty Rectangle among a Point Set.- Session 1(b).- Renaming Is Necessary in Timed Regular Expressions.- Product Interval Automata: A Subclass of Timed Automata.- Session 2(a).- The Complexity of Rebalancing a Binary Search Tree.- Fast Allocation and Deallocation with an Improved Buddy System.- Session 2(b).- Optimal Bounds for Transformations of ?-Automata.- CTL+ Is Exponentially More Succinct than CTL.- Invited Talk 2.- A Top-Down Look at a Secure Message.- Session 3.- Explaining Updates by Minimal Sums.- A Foundation for Hybrid Knowledge Bases.- Session 4.- Hoare Logic for Mutual Recursion and Local Variables.- Invited Talk 3.- Explicit Substitutions and Programming Languages.- Session 5(a).- Approximation Algorithms for Routing and Call Scheduling in All-Optical Chains and Rings.- A Randomized Algorithm for Flow Shop Scheduling.- Session 5(b).- Synthesizing Distributed Transition Systems from Global Specifications.- Beyond Region Graphs: Symbolic Forward Analysis of Timed Automata.- Session 6.- Implicit Temporal Query Languages: Towards Completeness.- On the Undecidability of Some Sub-classical First-Order Logics.- Invited Talk 4.- How to Compute with DNA.- Session 7(a).- A High Girth Graph Construction and a Lower Bound for Hitting Set Size for Combinatorial Rectangles.- Protecting Facets in Layered Manufacturing.- Session 7(b).- The Receptive Distributed ?-Calculus.- Series and Parallel Operations on Pomsets.- Session 8.- Unreliable Failure Detectors with Limited Scope Accuracy and an Application to Consensus.- Invited Talk 5.- Graph Isomorphism: Its Complexity and Algorithms.- Session9(a).- Computing with Restricted Nondeterminism: The Dependence of the OBDD Size on the Number of Nondeterministic Variables.- Lower Bounds for Linear Transformed OBDDs and FBDDs.- Session 9(b).- A Unifying Framework for Model Checking Labeled Kripke Structures, Modal Transition Systems, and Interval Transition Systems.- Graded Modalities and Resource Bisimulation.- Session 10(a).- The Non-recursive Power of Erroneous Computation.- Analysis of Quantum Functions.- Session 10(b).- On Sets Growing Continuously.- Model Checking Knowledge and Time in Systems with Perfect Recall.- FST&TCS - ISAAC Joint Session Talks.- The Engineering of Some Bipartite Matching Programs.