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STOC
2010
ACM
295views Algorithms» more  STOC 2010»
15 years 4 months ago
Approximation Schemes for Steiner Forest on Planar Graphs and Graphs of Bounded Treewidth
We give the first polynomial-time approximation scheme (PTAS) for the Steiner forest problem on planar graphs and, more generally, on graphs of bounded genus. As a first step, w...
MohammadHossein Bateni, MohammadTaghi Hajiaghayi a...
JACM
2007
84views more  JACM 2007»
14 years 11 months ago
Polymorphic higher-order recursive path orderings
This paper extends the termination proof techniques based on reduction orderings to a higher-order setting, by defining a family of recursive path orderings for terms of a typed ...
Jean-Pierre Jouannaud, Albert Rubio
HASKELL
2009
ACM
15 years 6 months ago
A compositional theory for STM Haskell
We address the problem of reasoning about Haskell programs that use Software Transactional Memory (STM). As a motivating example, we consider Haskell code for a concurrent non-det...
Johannes Borgström, Karthikeyan Bhargavan, An...
APLAS
2006
ACM
15 years 5 months ago
A Bytecode Logic for JML and Types
This document contains the Isabelle/HOL sources underlying our paper A bytecode logic for JML and types [2], updated to Isabelle 2008. We present a program logic for a subset of s...
Lennart Beringer, Martin Hofmann
AGTIVE
2003
Springer
15 years 4 months ago
Specifying Pointer Structures by Graph Reduction
Graph-reduction specifications (GRSs) are a powerful new method for specifying classes of pointer data structures (shapes). They cover important shapes, like various forms of bal...
Adam Bakewell, Detlef Plump, Colin Runciman