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» Model Theory Makes Formulas Large
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JC
2008
92views more  JC 2008»
14 years 9 months ago
Characterizing Valiant's algebraic complexity classes
Valiant introduced 20 years ago an algebraic complexity theory to study the complexity of polynomial families. The basic computation model used is the arithmetic circuit, which ma...
Guillaume Malod, Natacha Portier
ELECTRONICMARKETS
2010
124views more  ELECTRONICMARKETS 2010»
14 years 6 months ago
The difficulty of studying inter-organisational IS phenomena on large scales: critical reflections on a research journey
We argue that certain theoretical commitments that underpin much existing Interorganisational Information Systems (IOIS) research at small scales become untenable when IOIS are st...
Kai Reimers, Robert B. Johnston, Stefan Klein
MANSCI
2007
107views more  MANSCI 2007»
14 years 9 months ago
Credit Risk in a Network Economy
We develop a structural model of credit risk in a network economy, where any firm can lend to any other firm, so that each firm is subject to counterparty risk either from dire...
Didier Cossin, Henry Schellhorn
ENTCS
2007
141views more  ENTCS 2007»
14 years 9 months ago
Compressing BMC Encodings with QBF
Symbolic model checking is PSPACE complete. Since QBF is the standard PSPACE complete problem, it is most natural to encode symbolic model checking problems as QBF formulas and th...
Toni Jussila, Armin Biere
PPDP
2010
Springer
14 years 7 months ago
A declarative approach to robust weighted Max-SAT
The presence of uncertainty in the real world makes robustness to be a desired property of solutions to constraint satisfaction problems. Roughly speaking, a solution is robust if...
Miquel Bofill, Dídac Busquets, Mateu Villar...