In sequential computing, every method of an object can be described in isolation via preconditions and postconditions. However, reasoning in a concurrent setting requires a characterization of all possible interactions across method invocations. Herlihy and Wing [1990]’s notion of linearizability simplifies such reasoning by intuitively ensuring that each method invocation “takes effect” betwee...

Marked ligamentous hyperlaxity and muscle weakness/wasting associated with awkward gait are the main deficits confused with the diagnosis of myopathy. Seven children (6 boys and 1 girl with an average age of 8 years) were referred to our department because of diverse forms of skeletal abnormalities. No definitive diagnosis was made, and all underwent a series of sophisticated investigations in ...