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Wednesday, 29 November 2017: NODES Seminar, Durham

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General meeting of all members of NODES and their PhD students.

Location:

Room E240, Department of Computer Science, Durham University

Timetable:

14.00-14.45 Iain Stewart (Durham, CS): On some mathematical aspects of data centre networks
14.45
-15.30 Tea/Coffee break
15.30
-16.15 Tom Nye (Newcastle, Maths): Geometric statistics in tree-space

Iain Stewart (Durham, CS): On some mathematical aspects of data centre networks

Abstract: Interconnection networks form the communication fabrics of distributed computer systems and are common-place in distributed-memory multiprocessor machines (supercomputers), systems on chips, and data centres.

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8-13 June 2017: 3D Printing Workshop

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This event took place in Durham and was funded by Durham University. It was organised by Herbert Gangl (Durham Maths), Ioannis Ivrissimtzis (Durham CS), and Norbert Peyerimhoff (Durham Maths), and was a training opportunity for our students. Confirmed presenters were Bekrokh Eskandari (Peacocks Orthotics Limited, Newcastle), Sabetta Matsumoto (Georgia Tech), Saul Schleimer (Warwick), and Henry Segerman (Oklahoma State). All talks were open for the public and took place in the rooms CG91, CG93, CM105 and CM107.

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8 June 2017: Public Lecture by Henry Segerman

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Thursday, 5pm, 8 June, CG93 (Scarborough Lecture Theatre):

Public Lecture by Henry Segerman (Oklahoma State University):

3D Shadows: Casting light on the fourth dimension

Abstract: Our brains have evolved in a three-dimensional environment, and so we are very good at visualising two- and three-dimensional objects. But what about four-dimensional objects? The best we can really do is to look at three-dimensional “shadows”.

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6 June 2017: David Cushing presents “Mathematics and Card Tricks”

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Time and Location:

14:00 in CM107 (Durham)

David will present a one hour lecture on a couple of card tricks and the mathematical ideas behind them. First he will investigate the De Brujin sequences (which are used in coding theory) and then he will look at what happens mathematically when a deck is shuffled and how we can use this structure to our advantage in a trick.

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Tuesday, 28 February 2017: NODES Seminar, Newcastle

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General meeting of all members of NODES and their PhD students.

Location:

Room TR4, 4th Floor, Herschel Building, Newcastle University

Timetable:

14.00-14.45 Andrew Wade (Durham, Maths): Convex hulls of random walks
14.45
-15.30 Tea/Coffee break
15.30
-16.15 Victor Khomenko (Newcastle, CS): Canonical Prefixes of Petri Net Unfoldings

Andrew Wade (Durham, Maths): Convex hulls of random walks

Abstract:  On each of n unsteady steps, a drunken gardener drops a seed.

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Wednesday, 7 December 2016: NODES Seminar, Durham

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General meeting of all members of NODES and their PhD students.

Location:

Pemberton Building, room PG21

Timetable:

14.00-14.45 Max Gadouleau (Durham, CS): An introduction to the theory of Finite Dynamical Systems
14.45-15.30 Tea/Coffee break
15.30-16.15 Evgenios Kakariadis (Newcastle, Maths): Operator algebras associated with subshifts

Max Gadouleau: An introduction to the theory of Finite Dynamical System

Abstract: We are interested in complex networks of interacting entities (such as genes, neurons, persons, computers, etc.), where each entity has a finitely valued state and a function which updates the value of the state.

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