1. A möbius inversion of the ulam subgraphs conjecture

   • Milan Kunz

   Papers Pages: 297 - 305

2. The reversible LVA model

   • Peter L. SIMON

   Papers Pages: 307 - 322

3. Use of the parametric representation method in revealing the root structure and hopf bifurcation

   • Henrik Farkas
   • Peter L. Simon

   Papers Pages: 323 - 339

4. An upper bound for the largest eigenvalue of a graph: Effect of types of vertices

   • Lemi Türker

   Papers Pages: 341 - 349

5. Impact of regularity in structure-property relationships

   • Christiane Mercier
   • Yves Sobel
   • Jacques-Emile Dubois

   Papers Pages: 351 - 357

6. On the degeneracy of the Hessian matrix

   • István Kolossváry
   • Colin McMartin

   Papers Pages: 359 - 367

7. Exact necessary conditions for oscillatory behaviour in a class of closed isothermal reaction systems

   • G. Póta

   Notes Pages: 369 - 372

8. On the classification of polyhexes

   • Nenad Trinajstić

   Notes Pages: 373 - 380

9. On the z-counting polynomial for edge-weighted graphs

   • Sonja Nikolić
   • Dejan Plavšić
   • Nenad Trinajstić

   Notes Pages: 381 - 387

10. Generalization of extremal hexagonal animals (Polyhexes)

    • S. J. Cyvin

    Open Problems in Mathematical Chemistry Pages: 389 - 390