Uwe Kraeft

• Primes in number theory
• Applied number theory
• Archimedean approximations
• Basic algebraic number theory
• Basic theorems and formulae of number theory and mathematics
• Characters in number theory
• Complex and other structural numbers in number theory and sciences
• Congruent numbers
• Galois number theory
• Additive representations of integers in number theory
• Challenges in Number Theory
• Goldbach's Conjecture and structures of primes in number theory