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Articles by Pierce Ryan
Dynamics of a time-delayed relay system
We study the dynamics of a piecewise-linear second-order delay differential equation that is representative of feedback systems with relays (switches) that actuate after a fixed delay. The system under study exhibits strong multirhythmicity, the coexistence of many stable periodic solutions for the same values of the parameters. We present a detailed study of these periodic solutions and their bifurcations.
Poll: Do you think the budget will support everyone through Covid-19?
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Stay with us for all the updates ahead of Budget 2021
BUDGET 2021 IS to be announced today – and it’s happening in the most unusual year in recent history. Given the ongoing pandemic, we do know that this Budget will not be a giveaway budget (and we also know that those sorts of Budgets haven’t happened anyway in recent years). What we do know is that Finance Minister Paschal Donohoe really had his work cut out for him this time.
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The government is working off the assumption there will be a no-deal Brexit and that a vaccine for Covid-19 will not be available next year. Share Tweet Email Image: Shutterstock/sebra BUDGET 2021 IS set to be revealed later today. The government is working off the assumption there will be a no-deal Brexit and that a vaccine for Covid-19 will not be available next year. No income tax increases or cuts are expected, but tweaks to the Pandemic Unemployment Payment (PUP) are on the cards.
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Poll: Should authorities across island of Ireland cooperate more to tackle Covid? GREATER COOPERATION BETWEEN the Republic of Ireland and Northern Ireland when introducing Covid-19 restrictions could be on the cards amid a spike in cases. Two deaths and 814 new Covid-19 cases were confirmed in the Republic yesterday, as were 1,066 new cases and one further death in the North.
Poll: Should authorities across island of Ireland cooperate more to tackle Covid?
GREATER COOPERATION BETWEEN the Republic of Ireland and Northern Ireland when introducing Covid-19 restrictions could be on the cards amid a spike in cases. Two deaths and 814 new Covid-19 cases were confirmed in the Republic yesterday, as were 1,066 new cases and one further death in the North.
Opinion: Government must learn the lessons of the Leaving Cert calculated grades debacle
THE USE OF technology in public administration is part of the wider digitalisation of the administrative state. Processes of the state are moving online and into code. This is not a new phenomenon. However, the coding errors in the Leaving Certificate calculated grades process reinforce the importance of ensuring transparency and openness are incorporated into the use of technology employed by the government. Despite the growing role of technology, Government is still very much a human endeavour.
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