![Fwksvckt0oet3lxwectq](https://axis-arts.transforms.svdcdn.com/production/user-uploads/user-12003/fwksvckt0oet3lxwectq.jpg?w=600&q=80&auto=format&fit=crop&crop=focalpoint&fp-x=0.5&fp-y=0.5&dm=1709382243&s=c0aea94bad5c3e5bb2edfc31fd65dd2d)
A.B.Y
By
Pascal-Michel Dubois
2013 - 2019
![Fwksvckt0oet3lxwectq](https://axis-arts.transforms.svdcdn.com/production/user-uploads/user-12003/fwksvckt0oet3lxwectq.jpg?w=600&q=80&auto=format&fit=crop&crop=focalpoint&fp-x=0.5&fp-y=0.5&dm=1709382243&s=c0aea94bad5c3e5bb2edfc31fd65dd2d)
Wood, paint, metal, chalk.
This work is a re-interpretation on a chalkboard of a diagram found in an academic paper published in 2003 by C Glocker and C Studer from the IMES-Centre for Mechanics, Zürich, Switzerland. The paper refers to the theoretical study of “linear complementary problems”. This study is demonstrated by using the classic “woodpecker toy going down a metal rod” as an example of a typical “low dimensional system”. The letters A, B & Y stand for “Professor Augustus Barclay Yaffle”, the drily wooden woodpecker bookend of the children programme “Bagpuss”.
![Q8oipdxepe26yfs2jo3lsq](https://axis-arts.transforms.svdcdn.com/production/user-uploads/user-12003/q8oipdxepe26yfs2jo3lsq.jpg?w=600&q=80&auto=format&fit=crop&crop=focalpoint&fp-x=0.5&fp-y=0.5&dm=1709382253&s=f41b13f5545785e6fceb6573d9367672)
Pascal-Michel Dubois
![Egwtmkchki1pqducb7cxq](https://axis-arts.transforms.svdcdn.com/production/user-uploads/user-12003/egwtmkchki1pqducb7cxq.jpg?w=600&q=80&auto=format&fit=crop&crop=focalpoint&fp-x=0.5&fp-y=0.5&dm=1709382242&s=8672a45bf60b8e370cbe7482ccc36d26)
Pascal-Michel Dubois
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