I don't know why I took so much time to create a web page about my PhD research. However, it's better late than never, so I have just created one. It's not complete, but it is a beginning.

Visit the web page of my PhD research, which focused on Thesaurus-based 3D Shape Retrieval, T-b3DR for short. There you can find some information about my work and a couple of useful prototypes.

**"AFj's PhD"** blog was created in 2004 to report on-line the PhD work of Alfredo Ferreira (Jr). After finishing his PhD in July 2009, the posting was suspended.

However, after several requests, the blog was reactivated in October 2010.**"AFj's PhD and after" **blog will provide information on Alfredo Ferreira's work as a researcher in INESC-ID and his activities as a Assistant Professor at IST/TULisbon.

## Wednesday, December 10, 2008

## Thursday, December 04, 2008

### LaTeX equation editor

I've been using a very useful tool for writing equations in LaTeX. Although it is quite easy to found on the internet, I notice that some of my colleagues did not know about it. Thus, I thought it might be a good idea to publicise it here.

So, if you're using LaTeX you should give a look at the LaTeX equation editor. It is simple, fast, and accurate. And you do not need to install anything, it runs on your web browser.

So, if you're using LaTeX you should give a look at the LaTeX equation editor. It is simple, fast, and accurate. And you do not need to install anything, it runs on your web browser.

## Wednesday, December 03, 2008

### Writing a number set in LaTeX

I needed to write the formal notation of a multi-dimensional dataset in my PhD dissertation. Since I'm using LaTeX and this dataset consists on a real number set I just have to use the mathbb font, provided by amsfonts or amssymb packages.

Thus, providing that the proper packages were included in the preamble of the document, I just had to use, in math mode:

\mathbb{R}^n

to obtain:

Thus, providing that the proper packages were included in the preamble of the document, I just had to use, in math mode:

\mathbb{R}^n

to obtain:

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