descriptive_complexity (437B)
1 # Descriptive complexity 2 3 ## [Theorems] 4 5 - [Abiteboul_Vianu_theorem] 6 - [immerman_vardi_theorem] : [first_order] with [least_fixpoint], or [datalog], is [ptime] on [ordered_structures] 7 - cf [order_invariance] 8 9 ## [Open_problems] 10 11 - [logic_to_capture_ptime] 12 13 ## Subfields 14 15 - [description_logics_descriptive_complexity] 16 17 ## Meta 18 19 - Less active field nowadays: https://eccc.weizmann.ac.il//report/2011/151/ 20 21 Up: [computational_complexity]