Ice cream, chocolate, random identification codes, quantum error correction -- and a truly warm heart

This text is written in remembrance of Vladimir (Volodia) Sidorenko, honoring his scientific work, his kindness, and the warm and humorous spirit he brought into the community.

💡 Research Summary

This memorial article honors the life and work of Vladimir (Volodia) Sidorenko, a Russian‑born researcher who made significant contributions to coding theory, random identification codes, and quantum error correction, while also being remembered for his extraordinary kindness, humor, and generosity. The author, Christian Deppe, recounts personal memories: Sidorenko’s habit of appearing in corridors and kitchens with ice cream or chocolate, offering vodka at conferences, singing Russian songs with friends, and sharing small gestures that consistently brightened the workplace. These anecdotes illustrate a person who blended scientific rigor with a warm, human touch, creating a supportive atmosphere for colleagues and students alike.

Scientifically, Sidorenko entered Deppe’s group through the NEWCOM project, where he applied his expertise in coding theory to the problem of identification codes that rely on random generators at both transmitter and receiver. His work (see reference