Plenary Talks Given

• Petersonfest 2007
• ICDEA Kyoto 2006
• Marrakesh 2006
• ICDEA Munich 2005 Pictures
• Istanbul 2005 Pictures
• Kentucky 2004
• Antalya 2004
• ICDEA Augsburg 2001
• Midwest DE 2000

Conferences Organized

• Lutzfest 2010
• RMMC Wyoming 2009
• ICDEA 2008
• Petersonfest 2007
• Istanbul 2005 Pictures
• RMMC Wyoming 2002

Special Sessions Organized

• AIMS Madrid 2014
• AIMS Dresden 2010
• AMS New Orleans 2007
• AMS San Antonio 2006
• AMS/DMV/OMG Mainz 2005 Pictures
• AMS Atlanta 2005
• AMS Phoenix 2004
• AMS Atlanta 2003
• AMS Atlanta 2002
• AMS San Diego 2002
• SIAM SEAS 2001
• Special Session "Time Scales" at WCNA-2000

Special Issues Edited

• Special Issue on "Advances in Difference Equations and Applications to Biosciences and Engineering" Mathematical Biosciences and Engineering
• Special Issue on "Computational and Numerical Methods for Special Functions" Demonstratio Mathematica
• Special Issue on "Recent Investigations on Differential and Difference Equations and their Applications" TJM
• Special Issue on "p-adic Analysis and q-Calculus with Their Applications" Axioms
• Special Issue on "Differential, Difference and Dynamic Equations" IJDSDE
• Special Issue on "Differential and Difference Equations and Symmetry" Symmetry (cos)
• Special Issue on "Qualitative Theory of Differential Equations, Difference Equations, and Dynamic Equations on Time Scales" SWJ (cfp)
• Special Issue on "Qualitative Analysis of Dynamic Equations on Time Scales" CJM
• Special Issue on "Mathematics on Partial Differential Equations" Mathematics
• Special Issue on "Mathematical Engineering and Control with Applications" JAM
• Special Issue on "Oscillation of Difference, Differential, and Dynamic Equations" ADE
• Special Issue on "Dynamic Equations with Applications" ADE
• Special Issue on "Differential, Difference, and Dynamic Equations" DSA
• Special Issue on "Advances in Difference Equations IV" CMA
• Special Issue on "Time Scales" JCAM
• Special Issue on "Hamiltonian Systems" DSA