Post here information about lectures, announcements, and special meetings concerning geometry. Also feel free to post comments on upcoming events - if you know the speaker, for example, or if you saw an exhibit and would recommend it. This is not the place to discuss the contents of what happened at an actual lecture, however. And, despite the name of this group, it's probably _not_ the place to 'announce' that someone has proven the Riemann conjecture using Euclidean geometry. That would be more appropriate in geometry.research.
When posting here, please use very descriptive subject lines - remember that people all over the world have access to the Forum, so it matters whether a lecture is in Berkeley, California, or Budapest, Hungary. The subject line should include who or what the announcement is about, where, and when (when applicable).
We would like to keep traffic in this group relatively low, so those subscribed to the mailing lists won't be barraged by postings, and won't miss something important.
This group is the place to discuss topics covered in college geometry, problems appropriate for that level, and geometry education. There may be some overlap with geometry.research on problems and topics, and with geometry.pre-college on education issues. Feel free to 'cross post' (post to more than one group), but only if you really feel the discussion would be interesting to readers of all the groups to which you post.
Topics that would be appropriate for this group might be questions about textbook use in college geometry courses, problems that require some advanced geometry knowledge, and discussions of goemetry course content for students seeking secondary math certification. A posting here that would be cross-posted to geometry.research could be "I am interested in being a research geometer. Which books should I acquaint myself with, and what particular areas of math, besides geometry, should I concentrate on?" Discussions of manipulatives and teaching techniques to teach math ed students could be cross-posted to geometry.pre-college. Content of the high school geometry curriculum, however, probably isn't appropriate.
This is the central group for the Geometry Forum. Postings include introductory messages and important announcements about the Forum, discussions of its progress, and eventually discussions about the Forum software. This group is NOT a general geometry group. If you cannot decide which group to post something in, DO NOT just put it here. Think carefully about your posting. Who would be interested in it? Who do you want feedback from? Don't just post it here because you assume everyone reads this group. Cross-post it if you feel it addresses the interests of more than one groups of readers.
Topics found here will include items available on the Forum and its FTP site, suggestions from users as to how to improve the Forum as a whole, questions about finding items or helping others to read the Forum, and discussions of our software.
Items that ought to be posted elsewhere include, well, everything else. For example, the discussion about drawing programs could have taken place on geometry.pre-college and geometry.college, or even geometry.research. (When an article is originally posted to two different groups, all follow-up articles will generally be posted in both places as well, so no one will miss out).
This group includes planning for and information about geometry institutes held around the country.
It may also serve as an electronic meeting place for institute participants, as well as a way to involve persons who cannot attend an institute in person.
This is the place to discuss subject matter concerning high school and middle school (and earlier!) geometry curricula, teaching geometry classes, new software and texts, problems for students, and supplementary materials such as videos and manipulatives. It's also the place for geometry students to talk about geometry with their peers.
Postings could include discussions of high school textbooks, good reference materials to supplement the text, how to work in other supplementary materials and still meet course requirements, or suggestions for redesigning the curriculum at the pre-college level. Also, using drawing programs within the given curriculum, how easy the programs are to learn to use effectively, and how they might be improved for the pre- college environment.
Postings that might be appropriate, but should be cross-posted to geometry.college, would be discussions of teacher-training and college course content for aspiring geometry teachers.
Postings not appropriate for this group might be drawing programs as an aid for the research geometer, good topology texts, and discussions of new research finds.
Post here interesting problems and conundrums that require only a knowledge of elementary geometry; also, discussions of these problems and solutions.
If you are posting a solution to a previously posted problem, please edit the subject line to indicate this. There will be some discussion of problems people would like to read, but they might not want to see a solution until they take a crack at it. Also, if you have a gem of a problem that requires a bit of 'advanced' knowledge, it may be posted, but please say so in the subject line. This includes most non-Euclidean and projective geometries. Remember that most high school geometry courses don't consider the possiblitity that Euclid's parallel postulate might be unnnecessary or could even not hold. We would like this board to be a place high school students aren't afraid to frolic.
On occasion we may run 'contests' on this group, and ask users to email their solutions to us or the sponsoring individual. Please do not post solutions in these cases until the 'results' of the contest are posted.
Also, keep in mind that there are many different ways to solve any given puzzle, so feel free to post your solution, particularly if it differs from an already-posted one. If you can, say why your approach is different, and why you decided to take that direction. Thirty postings saying "Yes, that's how I got the answer too!" are unnecessary, and will warrant late night e-mail from the Forum Police. :-)
Postings here will be research announcements, seminars, reviews, and abstracts of papers and discussions of same.
This probably is just the place to announce and discuss the solving of the Riemann conjecture using Euclidean geometry.
This group is designed for the discussion of such geometry software programs as The Geometer's Sketchpad and Cabri Geometry II. Programs such as these have revolutionized the teaching and visualization of geometry (and other topics!) in the last few years. In this group, we talk about ways of teaching using this technology and the behaviour of these programs in specific situations, and we share sketches.
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