Welcome

[Rob Beezer]

Welcome to the new "fcla-discuss" group, designed for readers of, and
contributors to, the free open-source textbook "A First Course in
Linear Algebra"

I hope this will be a place students of linear algebra can help each
other understand difficult concepts, a place where readers can make
broad suggestions about the book, and a respectful community centered
around the topic of linear algebra, including both students and
teachers.

Everyone is welcome, but those studying linear algebra independently
are especially encouraged to introduce themselves upon joining the
list.

Rob Beezer
bee...@ups.edu
http://linear.ups.edu

[Valerón]

Hi, professor Beezer.
Congratulation to the start of this disccusion group.
How about posting alternative proof here?
Can I post anything come up in my head when learning linear algebra?
Or even other mathematics problems? Hmm... a bit off topic.

[Rob Beezer]

Hi Valeron,

Yes, alternative proofs would be a great topic for discussion. I try
very hard not to "break" the logical structure of the theorems and
definitions in the book, but I'm always on the lookout for better, or
novel, proofs. Sometimes an alternate proof makes a nice exercise:
"Give an alternate oroof of Theorem XYZ by using...." Start a new
topic and give it a descriptive subject line, maybe including the
relevant acronym.

I'd really like to keep the topics to linear algebra, but as the group
grows there's no reason the collective knowledge can't be used
sometimes as a resource for related topics.

Rob

[Valerón]

How about solution for exercise? Not for lazy guys but I'd like to
know if I do right.
And conjecture? Actually I've got one and have figure a craft proof in
mind, but I've no idea if there's errors in it.

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