Search

• < Previous
• 1
• Next >

---

The Complexity of Enriched Mu-Calculi

Piero A. Bonatti ; Carsten Lutz ; Aniello Murano ; Moshe Y. Vardi.

The fully enriched &mu;-calculus is the extension of the propositional &mu;-calculus with inverse programs, graded modalities, and nominals. While satisfiability in several expressive fragments of the fully enriched &mu;-calculus is known to be decidable and ExpTime-complete, it has recently been&nbsp;[&hellip;]

---

Modal Logics of Topological Relations

Carsten Lutz ; Frank Wolter.

Logical formalisms for reasoning about relations between spatial regions play a fundamental role in geographical information systems, spatial and constraint databases, and spatial reasoning in AI. In analogy with Halpern and Shoham's modal logic of time intervals based on the Allen relations, we&nbsp;[&hellip;]

---