The 18th Meeting on Dressed Photon and Off-Shell Science Theories was held on June 26, 2021 (On line meeting).

The 18th Meeting on Dressed Photon and Off-Shell Science Theories was held on June 26, 2021 (On line meeting). Ten experts on this research field joined the meeting. Interesting topics on the relation between quantum walk and graph, maze analysis, temporal evolution of dressed photon energy transfer, and the analyzing dressed photon phenomena using action integral were presented. Intensive discussions on these topics were made.