Lectures at the invitation of congresses, conferences and symposia
Antwerp (2000), Berlin (2000), Miami (2000), Copenhagen (2000), Liptovski Jan (2001), Las Palmas (2002), Bratislava (2003), Frankfurt (2003), Heraklion (2003), Geneva (2004) ), St. Petersburg (2004), Dallas (2005), Moscow (2005), Venice (2006), Heidelberg (2006), Kiev (2006), Moscow (2006), Paris (2006), Vienna (2006), Hanover (2007), Antwerp (2007), Las Palmas (2007), Minsk (2007), Mexico (2007), Vienna (2007), Seoul (2007), Antalya (2008), Budapest (2008), Yalta (2008), Lviv (2008) , Melbourne (2008), San Diego (2008), Sydney (2008), Seoul (2008), Vienna (2008), Bangkok (2009), Naples (2009), Warsaw (2009), London (2009), Las Palmas ( 2009), Manila (2009), Seattle (2009), Singapore (2009), Sao Paolo (2009), Havana (2009), Antwerp (2010), Bangkok (2010), Budapest (2010), Cartagena (2010), Naples (2010), Miami (2010), Parma (2010), Pamplona (2010), Stockholm (2010), Tashkent (2010), Vienna (2010), Warsaw (2011), Atenach (2011), Chicago (2011), Auckland (2011), Bruges (2011), Daegu (2011), Bogota (2011), Hanover (2011), Barcelona (2011), Naples (2011), Dushanbe (2011), Ahmadabad (2012), Amsterdam (2012), Munich (2012 ), Naples (2012), Rome (2012), Tashkent (2012), Toronto (2012), Athens (2013), Bratislava (2013), Budapest (2013), Cancun (2013), Heidelberg (2013), Hyderabad (2013 ), Istanbul (2013), Nice (2013), Odessa (2013), Seoul (2013), Antalya (2014), Las Vegas (2014), Brisbane (2014), Nashville (2014), Melbourne (2014), Munich ( 2014), Siena (2014), Siofok (2014), Sydney (2014), Tokyo (2014) Beijing (2015), Puerto Iguazu (2015), Prague (2015), Toulouse (2015), Toronto (2016), Chile ( 2017), Lisbon (2017), Brussels (2018), Cape Town (2018), Buenos Aires (2019)