2009

• Positivity, Valuations, and Quadratic Forms Conference in Konstanz, Germany, October 1 - 6, 2009. Talk presented: Certain quotient spaces of spaces of orderings and their inverse limits.
• Southern California Algebra Conference, UCLA, Los Angeles, April 4, 2009.

• Southern California Algebra Conference, UCLA, Los Angeles, November 22, 2008. Talk presented: The pp conjecture in the theory of spaces of orderings.
• Essential Dimension and Canonical Dimension in Lens, France, June 23 - 27, 2008. Talk presented: The pp conjecture in the theory of spaces of orderings.
• 7th Polish, Slovak and Czech Conference on Number Theory, Ostravice, Czech Republic, June 10 - 12, 2008. Talk presented: The pp conjecture in the theory of spaces of orderings.
• 5th Linear Algebra Workshop, Kranjska Gora, Slovenia, May 27 - June 1, 2008. Talk presented: The pp conjecture in the theory of spaces of orderings.
• 8th UCB/UCSB Noncommutative Algebra Day, UCSB, Santa Barbara, April 5, 2008.
• Southern California Algebra and Optimization Day at Caltech, Pasadena, March 6, 2008.
• Southern California Algebra Conference, UCLA, Los Angeles, February 23, 2008.

• International Conference on the Algebraic and Arithmetic Theory of Quadratic Forms 2007, Lake Llanquihue, Chile, December 13 - 19, 2007.
• Southern California Algebra Conference, UCLA, Los Angeles, December 8, 2007.
• Quadratic Forms, Triangulated Categories and Valuations in Lens, France, June 11 - 17, 2007.

• Mini-Conference Topics in Real Algebraic Geometry in Saskatoon, SK, October 5-6, 2006. Talk presented: The pp conjecture for the space of orderings of the field R(x,y).
• Quadratic Forms and Linear Algebraic Groups Conference in Oberwolfach, Germany, June 25 - July 1, 2006.
• 6th Polish, Slovak and Czech Conference on Number Theory at the Stefan Banach International Mathematical Center in Będlewo, Poland, June 13 - 16, 2006. Talk presented: On certain types of local-global principles in the reduced theory of quadratic forms.

• 6th Annual Colloquiumfest in Saskatoon, Canada, April 1 - 2, 2005.

Other conferences and meetings

2009

• 12th Annual Legacy of R.L. Moore Conference in Austin, TX, July 16-18, 2009.

• 11th Annual Legacy of R.L. Moore Conference in Austin, TX, July 10-12, 2008.

• CMS Winter Meeting 2006 in Toronto, ON, December 9 - 11, 2006.

• XIII Sesja Wyjazdowa KNM@UŚ (student conference) in Szczyrk, Poland, April 4 - 6, 2003.

• XII Sesja Wyjazdowa KNM@UŚ (student conference) in Szczyrk, Poland, November 15 - 17, 2002.
• Letnia Szkoła Instytutowa (local conference of the Institute of Mathematics, University of Silesia) in Szczyrk, Poland, September 22 - 27, 2002.
• II Letni Obóz KNM@UŚ (student summer camp) in Szczyrk, Poland, September 3 - 16, 2002.
• XXIX Szkoła Matematyki Poglądowej (general math conference) in Grzegorzewice, Poland, August 23 - 27, 2002.
• XI Sesja Wyjazdowa KNM@UŚ (student conference) in Szczyrk, Poland, March 15 - 17, 2002.

• I Letni Obóz KNM@UŚ (student summer camp) in Zarzecze, Poland, September 2 - 16, 2001.
• XXVI Szkoła Matematyki Poglądowej (general math conference) in Grzegorzewice, Poland, August 24 - 28, 2001.
• IX Sesja Wyjazdowa KNM@UŚ (student conference) in Zarzecze, Poland, March 30 - April 1, 2001.

• VIII Sesja Wyjazdowa KNM@UŚ (student conference) in Zarzecze, Poland, November 22 - 25, 2000.
• VII Sesja Wyjazdowa KNM@UŚ (student conference) in Zarzecze, Poland, April 21 - 23, 2000.

• VI Sesja Wyjazdowa KNM@UŚ (student conference) in Piaseczno, Poland, November 11 - 14, 1999.
• V Sesja Wyjazdowa KNM@UŚ (student conference) in Zarzecze, Poland, April 9 - 11, 1999.

• IV Sesja Wyjazdowa KNM@UŚ (student conference) in Zarzecze, Poland, November 12 - 15, 1998.
• III Sesja Wyjazdowa KNM@UŚ (student conference) in Zarzecze, Poland, April 24 - 26, 1998.