Special Section on Discrete Mathematics and Its Applications
============================================================
 . FOREWORD ........................................................ 593
        Toshimasa WATANABE

PAPERS
======
 . Partial Construction of an Arrangement of Lines and Its Application
   to Optimal Partitioning of ...................................... 595
        Bichromatic Point Set

Tetsuo ASANO and Takeshi TOKUYAMA
=================================
 . Designing Efficient Geometric Search Algorithms Using Persistent
   Binary-Binary Search Trees ...................................... 601
        Xuehou TAN, Tomio HIRATA and Yasuyoshi INAGAKI

 . Practical Efficiencies of Planar Point Location Algorithms ...... 608
        Satoshi KAGAMI, Masato EDAHIRO and Takao ASANO

 . Multihead Finite Automata with Markers .......................... 615
        Yue WANG, Katsushi INOUE and Itsuo TAKANAMI

 . Hierarchical Properties of Realtime One-Way Alternating
   Multi-Stack-Counter Automata .................................... 621
        Tsunehiro YOSHINAGA, Katsushi INOUE and Itsuo TAKANAMI

 . On Secure and Fast Elliptic Curve Cryptosystems over Fp ......... 630
        Atsuko MIYAJI

 . Shared Pseudo-Random Secret Generation Protocols ................ 636
        Manuel CERECEDO, Tsutomu MATSUMOTO and Hideki IMAI

 . A Robot Navigation Strategy in Unknown Environment and Its
   Efficiency ...................................................... 646
        Aohan MEI and Yoshihide IGARASHI

 . An Efficient Algorithm for Summing up Binary Values on a
   Reconfigurable Mesh ............................................. 652
        Koji NAKANO

 . On the Complexity of Protocol Validation Problems for Protocols with
   Bounded Capacity Channels ....................................... 658
        Yoshiaki KAKUDA, Yoshihiro TAKADA and Tohru KIKUNO

 . On Container Width and Length in Graphs, Groups, and Networks ... 668
        D.Frank HSU

Regular Section
===============
PAPERS
======
[Adaptive Signal Processing]

 . A Fast Convergence Algorithm for Adaptive FIR Filters with Sparse
   Taps ............................................................ 681
        Akihiko SUGIYAMA and Shigeji IKEDA

[Analog Circuits and Signal Processing]

 . Non-integer Exponents in Electronic Circuits ‡U: Memory Effects in
   the Fractal Immittance .......................................... 688
        Michio SUGI and Kazuhiro SAITO

[Computer Aided Design (CAD)]

 . An Analysis of the Economics of the VLSI Development Including Test
   Cost ............................................................ 698
        Koji NAKAMAE, Homare SAKAMOTO and Hiromu FUJIOK

[Neural Networks]

 . Iterative Middle Mapping Learning Algorithm for Cellular Neural
   Networks ........................................................ 706
        Chen HE and Akio USHIDA

LETTERS
=======
[Computer Aided Design (CAD)]

 . Wire Length Expressions for Analytical Placement Approach ....... 716
        Shoichiro YAMADA and Masahiro KASAI

 . Experimental Appraisal of Linear and Quadratic Objective Functions
   Effect on Force Directed Method for Analog Placement ............ 719
        Imbaby I.MAHMOUD, Koji ASAKURA, Takashi NISHIBU and Tatsuo
        OHTSUKI

[Digital Signal Processing]

 . An Approach to ARMA Model Identification from Noise Corrupted Output
   Measurements .................................................... 726
        Md.Kamrul HASAN, Takashi YAHAGI and Marco A.Amaral HENRIQUES

[Neural Networks]

 . Application of an Improved Genetic Algorithm to the Learning of
   Neural Networks ................................................. 731
        Yasumasa IKUNO, Hiroaki KAWABATA, Yoshiaki SHIRAO, Masaya
        HIRATA, Toshikuni NAGAHARA and Yoshio INAGAKI

 . Performance Fourmulation and Evaluation of Associative Memory
   Extended to Higher Order ........................................ 736
        Yukio KUMAGAI, Joarder KAMRUZZAMAN and Hiromitsu HIKITA

 . ABSTRACTS (Trans.IEICE, Vol.J77-A, No.4 in Japanese) ............ 742