Image caption Experimenting for a post-Brexit future: Students at the Technical University of Munich will be joined by UK colleagues

A top UK university is planning a "unique" post-Brexit arrangement with a German university in which staff will be appointed jointly by both institutions, with the aim of keeping access to EU research funding for UK academics.

Imperial College London, ranked as one of the top 10 universities in the world, has signed a partnership with the Technical University of Munich.

The agreement will create academic posts jointly recruited and shared by the UK and German universities, with these staff having a form of academic dual nationality.

Both universities specialise in science and technology and the shared research will be in areas such as computer science, medical science, bioengineering, physics and aerospace.

Image caption Imperial College received about £140m from the current EU research round

The intention is for these "shared" academics - whether German or from the UK, and whether based in London or Munich - to continue to be eligible for EU research projects, through the Technical University of Munich's access to EU funding.

'Dangers of barriers'

The German university says it will "send a strong signal against the dangers of new barriers in the European scientific area".

University leaders in the UK have been worried about losing access to research networks which are often organised and funded on an international basis.

Imperial College and the Technical University of Munich have previously worked together on 21 European-funded research projects.

Image caption The university in Munich will recruit staff in a joint process with Imperial in London

The top four biggest individual recipients of EU research cash are all from the UK - Oxford, Cambridge, University College London and Imperial College.

In the current EU research funding round, Imperial has received 161m euros (£141m).

But UK universities are concerned that after Brexit they will not be able to join the next even bigger research round, worth about 100 billion euro (£88bn).

Most EU staff

Apart from the funding, they say it is important to stay part of the latest developments in research, in areas such as transport, robotics, neuroscience and artificial intelligence.

Image caption The heads of TUM and Imperial have agreed a new type of partnership for their universities

The greatest concentrations of EU staff are also to be found in these leading research universities - with Oxford, Cambridge, University College London, Imperial and King's College London having the highest proportions.

A quarter of Imperial's academic staff are from other EU countries and about a fifth of its students. Professor Alice Gast has said: "Imperial is and will remain a European university."

"We should do everything we can to preserve the historic achievement of unlimited European cooperation," said Professor Wolfgang Herrmann, president of the Technical University of Munich.

The German university also expects the partnership with Imperial to help its chances in bidding for a share of research projects.

French in London

The idea of "unique joint mechanisms" for appointing staff across both universities is the latest stage in Imperial's preparations for Brexit.

Earlier this year the university announced a deal with France's National Centre for Scientific Research to co-fund a maths laboratory in London, which will allow its UK mathematicians to have the same access to EU funding as French staff.

Image caption Imperial College, ranked in the world top 10, draws a quarter of its staff from EU countries outside the UK

In the Brexit plans so far, the UK government has committed to underwriting any cash promised to UK universities from the current EU research funding, which runs up to 2020.

For EU research post-Brexit, the UK government has suggested paying to have an associate member status. But the terms of participation - and whether UK universities could remain as net beneficiaries - will still have to be negotiated.

Ludovic Highman, senior research associate at the Centre for Global Higher Education, says that leading UK research universities have been building a range of strategic partnerships with European universities.

He says they are worried about keeping access to EU staff and research expertise, as well as finding ways to protect eligibility for funding.

But he warns, with so much still to be decided, "the rules of the game could be changed at any moment".

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The editor of Global education is sean.coughlan@bbc.co.uk