# Cal Day

**The Department of Mathematics**

University of California, Berkeley

presents

*MATHEMATICS CAL DAY 2018*

**Information Session: The Mathematics Major**

Kenneth Ribet, Professor

9:00 - 10:00 AM @ 60 Evans Hall

Learn about objectives, requirements and opportunities for students who major in Mathematics. Staff advisers will be available to answer questions.

**Ask the Mathematician**

George Bergman, Professor

9:00 AM - 3:00 PM @ 1015 Evans Hall

Find out everything you always wanted to know (but couldn't find anyone to ask) about math. A Cal Day favorite!

**Mathematics Information Tables**

10:00 AM - 3:00 PM @ 1015 Evans Hall

Talk to Math Department advisers and get comprehensive information about the major and minor programs.

**Mathematics Undergraduate Student Association**

10:00 AM - 3:00 PM @ 1015 Evans Hall

Come play math games with us! At our Origometry station, you'll learn how to construct familiar objects and polyhedra out of paper. Explore topology by unraveling yourself and a friend from a handcuff of knots! **Get your Science at Cal Passport stamped here!**

**Women in Mathematics at Berkeley (WIM)**

Women in Mathematics is an organization that aims to foster community and empowerment among undergraduate women in mathematics at Cal. Learn more about our goals and activities, including our weekly meetings that are either informal study sessions or that feature speakers in the field of mathematics

**Mathematics Peer Advisers**

**MARKETPLACE**

9:00 AM - 3:00 PM

**Math Talks with Faculty**

Members of our
distinguished faculty will present talks of general interest to the
informed public. All lectures are located in **60 Evans Hall**. The talks are always popular with Cal Day attendees!

**A Few Ways To Lose Your Money
**

Alberto Grunbaum, Professor

10:15 - 11:15 AM

The origins of some of the important ideas in mathematics, physics, biology and other sciences can be traced to the old art of gambling. Professor Alberto Grunbaum illustrates this connection with a few games that share a guiding principle: Don't trust your intuition unless you have money to burn.

**Fibonacci Numbers and the Golden Ratio
**

Brent Nelson, NSF Postdoctural Scholar

11:30 AM - 12:30 PM

The Fibonacci numbers are perhaps the most famous sequence of numbers in mathematics. It turns out that what drives their behavior is the so-called golden ratio, phi. We will explore the mathematics behind this connection and the surprising appearances of these concepts in nature.

**Introduction to Fractals: What is the Mandelbrot Set?**

Alexander Paulin, Lecturer

01:00 - 02:00 PM

You have perhaps heard of fractals: those crazy, self-repeating patterns that seem to get even crazier the closer you look at them. In this talk, I'll explain the most famous fractal of all: the Mandelbrot Set. You might think that this would require lots of advanced mathematics. Amazingly, all we'll need is addition, multiplication and a good deal of imagination!

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