The results of 2019 annual competition for the Tsuboi Award have been announced. There are two winners respectively in the categories of the best paper published in the Journal of the IASS in 2019 and the best paper published in the Proceedings of the 2019 IASS Symposium. These are:

The best paper published in the 2019 IASS Symposium Proceedings:

J. Lehrecke, J. P. Osman-Letelier, M. Schlaich (Germany)

Tendon Geometry Optimization Using Path Integrals

Proceedings of the 2019 IASS Symposium, Barcelona, Spain
Paper 441, Session CS – Form-finding and optimization VI

The best paper published in the Journal of the IASS in 2019:

M. Muñoz-Vidal, I. R. López César, J. B. Pérez-Valcárcel, F. Suárez Riestra (Spain)

A New Approach to Expandable Structures: Crossed Expandable Frames (X-Frames)

Journal of the IASS, Vol. 60 (2019), No. 4 December n. 202, pp. 294-305