UNB

Posted: December 28, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

ColloquiumSome results on Nicholson’s blowﬂies equations Yuming Chen (Wilfrid Laurier University) Tuesday, January 7, 2014 at 2:30 pm Tilley Hall Room 309 Data drawn from the comprehensive and elegant experiments performed by Nicholson on laboratory cultures of the sheep blowﬂy are used as illustrative examples of oscillatory population ﬂuctuations...

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Posted: December 20, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

ColloquiumA Trip to the Tropics Joe Kileel (University of California, Berkeley) Tuesday, January 7, 2014 at 3:30 pm Tilley Hall Room 404 In the middle of winter, this talk will offer a trip to the tropics. Er, at least to tropical mathematics, where algebraic geometry is turned into polyhedral geometry, 1 + 1 = 1, and the picture below is of a smooth curve: By the end of the talk, that...

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Posted: December 13, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

Grad Seminar Gelfand-Fuks Cohomology of the Formal Vector Fields Fereshteh Yazdani (UNB) Thursday, December 19, 2013 at 3:30 p.m. Tilley Hall Room 5 In my talk I will speak about the concept of spectral sequence which has a very important role in computing the cohomology and I will define the Gelfand-Fuks cohomology by introducing formal vector fields. Then by using the method of applying...

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Posted: December 3, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

Colloquium Renormalization Group Approach to Quantum Gravity Gaurav Narain (Institute of Mathematical Sciences, India) Thursday, December 5, 2013 at 12:30 pm Tilley Hall Room 404 In the last century, theoretical physics witnessed two important major revolutions: Quantum Mechanics and General Relativity. First one addresses the physics at small scales while second one explains a large...

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Posted: December 3, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

Graduate Seminar Bosonic String in the Friedmann-Robertson-Walker Spacetime Shohreh Rahmati (UNB) Thursday, December 5, 2013 at 3:30 pm Tilley Hall Room 5 Bosonic strings are one-dimensional objects that propagate in a two-dimensional manifold embedded in a higher dimensional target space. The evolution of the string depends on the metric of the target space. In this talk, I will talk about the...

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Posted: December 3, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

Graduate Seminar K-Theory for Graph C*-Algebras Christopher Chlebovec (UNB) Friday, December 6, 2013 at 2:30 pm Tilley Hall Room 404 In C*- algebraic K-Theory, one associates to each C*-algebra a pair of abelian groups which contain a great deal of information about the C*-algebra. In my talk, I will discuss the construction of these groups and then focus my attention on computing the...

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Posted: December 2, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

Graduate Seminar Dynamics of the Wangersky-Cunningham Predator-Prey Model Xi Hu (UNB) Thursday, November 21, 2013 at 1:30 pm Tilley Hall Room 104 The Wangersky-Cunningham predator-prey model is a two dimensional model which adds a time lag into the Lotka-Volterra predator-prey model. The Wangersky-Cunningham Model assumes that the predator does not immediately convert consumed prey into...

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Posted: December 2, 2013 4:00:00 AM AST

Category: Seminars and Colloquia

Graduate Seminar Extracting Energy from Black Holes Syed Moeez Hassan (UNB) Thursday, November 28, 2013 at 2:30 pm Tilley Hall Room 5 Einstein’s General Relativity is a theory of gravity that explains our universe on large scales. One of the solutions to Einstein’s equations is the Kerr solution which describes a rotating black hole. Roger Penrose suggested a method of extracting...

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