#+STARTUP: beamer
#+TITLE:     Document title
#+AUTHOR:    Suvayu Ali
#+DATE:      \today

#+LaTeX_CLASS: beamer
#+LaTeX_CLASS_OPTIONS: [smaller]
#+BEAMER_FRAME_LEVEL: 2

* Section 1

** Subsection 1
   Some text.

* Section 2

** Subsection 3
   + The Standard Model gauge group is shown below.[fn:1]

   \[SU(3) \times SU(2) \times U(1)\]

* Footnotes

[fn:1] [[http://www.google.com][This is a link]]