Dirk Kreimer

You can help expand this article with text translated from the corresponding article in German. (February 2019) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Dirk Kreimer]]; see its history for attribution. You may also add the template {{Translated|de|Dirk Kreimer}} to the talk page. For more guidance, see Wikipedia:Translation.

Dirk Kreimer (born 12 July 1960) is a German physicist who pioneered the Hopf-algebraic approach to perturbative quantum field theory with Alain Connes and other co-authors. He is currently Humboldt professor at the department of mathematics of Humboldt University in Berlin, where he teaches the courses of Quantum Field Theory (I and II) and Hopf Algebras and the Renormalization Group.^[1]