I algebraic geometry

Major research achievements:

Jelonek has published 50 papers which were cited 173 times by 94 authors. His major mathematical achievements are:

1. 
   Creation of a notation of the set of non-properness of a polynomial mapping [2, 4, 14]
   
2. 
   A breakthrough [1, 3] on algebraic analog of Whitney theorem on equivalent embeddings of manifolds into affine space
   
3. 
   The depth study, together with Krzysztof Kurdyka [5, 8], of the bifurcation points of polynomial mappings
   

Prizes:

• 
  2001- The award of the Polish Mathematical Society- The Sierpinski Prize
  
• 
  1991- The special award of the Polish Mathematical Society for young Polish mathematicians- The Kuratowski Prize.