1. Editorial statement

   • A. L. Rosenberg

   EditorialNotes Pages: i - ii

2. The complexity of ranking simple languages

   • Dung T. Huynh

   OriginalPaper Pages: 1 - 19

3. Classes of bounded nondeterminism

   • Josep Díaz
   • Jacobo Torán

   OriginalPaper Pages: 21 - 32

4. Communicating processes, scheduling, and the complexity of nontermination

   • Hsu-Chun Yen

   OriginalPaper Pages: 33 - 59

5. Optimal embeddings of butterfly-like graphs in the hypercube

   • David S. Greenberg
   • Lenwood S. Heath
   • Arnold L. Rosenberg

   OriginalPaper Pages: 61 - 77

6. Single-exception sorting networks and the computational complexity of optimal sorting network verification

   • Ian Parberry

   OriginalPaper Pages: 81 - 93

7. On the power of parity polynomial time

   • Jin-yi Cai
   • Lane A. Hemachandra

   OriginalPaper Pages: 95 - 106

8. One-way multihead finite automata and 2-bounded languages

   • Mirosław Kutyłowski

   OriginalPaper Pages: 107 - 139

9. Guest editors' note

   • Mukkai Krishnamoorthy
   • Robert Ingalls

   EditorialNotes Pages: 143 - 143

10. Some remarks

    • Robert McNaughton

    OriginalPaper Pages: 145 - 146

11. Extensions of an idea of McNaughton

    • David A. Mix Barrington

    OriginalPaper Pages: 147 - 164

12. Characterizing polynomial complexity classes by reducibilities

    • Ronald V. Book
    • Shouwen Tang

    OriginalPaper Pages: 165 - 174

13. Unnecessary inferences in associative-commutative completion procedures

    • Hantao Zhang
    • Deepak Kapur

    OriginalPaper Pages: 175 - 206

14. Guest editors' note

    • Mukkai Krishnamoorthy
    • Robert Ingalls

    EditorialNotes Pages: 207 - 207

15. Power indices and easier hard problems

    • R. E. Stearns
    • H. B. Hunt III

    OriginalPaper Pages: 209 - 225

16. Exposing graph uniformities via algebraic specification

    • Arnold L. Rosenberg

    OriginalPaper Pages: 227 - 244

17. It is decidable whether a monadic thue system is canonical over a regular set

    • Paliath Narendran

    OriginalPaper Pages: 245 - 254