*Undergraduate and students in
different fields:*

"Ons Fysisch Wereldbeeld". For some PowerPoint slides of this lecture series (in Dutch) click here and here

*Undergraduate
lecture notes: *

A short compilation of the most common __ Special Functions and Polynomials__
and their properties, emphasizing the most important features that they all
have in common.

*Advanced lectures: *

My latest work on quantum black holes in lecture format
(version 9, October 2019)

Black hole information and back reaction - the next step. Talk held in Utrecht March 14, 2016.

__Introduction to General Relativity__ (September 2012 - January
2013)

*G**iven in past years:*

Introduction to the Theory of Black Holes

Topics in Theoretical Physics II - Group Theory (2008)

Lectures given at the 5th WE Heraeus Summer School, Saalburg/Germany, September 1999, on "Monopoles, Instantons and Confinement", appeared as

Introduction to String Theory __ (version 14-05-04).__

Memorial lecture Philippe Meyer (ENS,
Paris, October 4, 2008)

Various other PowerPoint Lectures:

Extremes in Physics: The Theory of Everything.

A Confrontation with Infinity, Nobel Lecture 1999.

Complex
Transformations and the Cosmological Constant Problem (2006)

Model
for Quark Confinement (50th Anniversary of the Sakata Model, Nagoya, Japan,
Nov. 2006)

Gravitational Waves (Delft, Leonardo Da Vinci Symposium, March 2007)

Humanity in the Cosmos (Lindau, 58th Meeting of Nobel Laureates, June 2008 )

Black
Holes and Quantum Physics (2009)

*Last revised: January 1, 2017.*