Dear Colleagues:

I strongly support the idea of standardizing notations used in the literature of interval computations. With standard notations, the communications will be more effective. I've to admit, in reviewing papers submitted to Reliable Computing, I have to make extra effort to understand different notations used by different authors.

A standard notation system is an indication of the maturity of a literature. The literature of interval computing has gone far beyond the stage of maturity to deserve a standard notation system. Standardizing the notation system is long overdue. The work should be done. The sooner, the better. Although I'll not attend the INTERVAL'96 conference, I hope that standardizing notations will be considered and discussed at the meeting.

Interval computing is an extension of usual number computations. The standardized notation system should keep the consistency as much as possible with current notations used in mathematics. Professor Kearfott's notation system clearly meets this requirement. We may use his notation system (or others) as the base for further discussion.

After we have a standardized notation system, we may require authors of the Journal of Reliable Computing to adopt it.

Chenyi Hu
Computer and Mathematical Sciences Department
Center for Computational Science and Advanced Distributed Simulation
University of Houston-Downtown

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