Research can be in (complexity theory).Logical formLearned from6 sentences. Structural complexity may undergo an increase.Logical formLearned from6 sentences. A complexity may pertain-to a century.Logical formLearned from6 sentences. A complexity can be requisite.Logical formLearned from6 sentences. Complexity may evolve.Logical formLearned from6 sentences. A complexity can be around persons.Logical formLearned from6 sentences. A hierarchy can be constituted-of-or-filled-with complexity.Logical formLearned from6 sentences. A theory can be constituted-of-or-filled-with computational complexity.Logical formLearned from6 sentences. A computational complexity can be linear.Logical formLearned from6 sentences. Sets can be for (complexity classes).Logical formLearned from6 sentences. (Complexity classes) may undergo characterizations.Logical formLearned from6 sentences. A complexity may pertain-to puzzles.Logical formLearned from6 sentences. A complexity can be well-known.Logical formLearned from6 sentences. A complexity may pertain-to a profile.Logical formLearned from6 sentences. Complexities may surround an issue.Logical formLearned from6 sentences.