Talks during the course 2022/2023

Dates with grey background are yet to be fixed, whereas programmed talks have white background. Next talk appears highlighted with blue backgroundThese are the lectures delivered during the academic course 2022/2023.

October 17th, 2022, Room "Seminario Análisis", 18:00-19:00

Speaker: Francisco Javier Turiel Sandín (Universidad Málaga)

Title: Sobre la dimensión minimal de las orbitas de una acción de Rn 

Abstract: Considérese una acción diferenciable de Rn sobre una variedad conexa M, no necesariamente compacta, de dimensión m y rango k. Supóngase que M no es un cilindro. Entonces existe una órbita de la acción de dimensión < (m+k)/2.

Como consecuencia se muestra que si existe un elemento no nulo del anillo de clases de Pontrjagin de M de grado 4r>0, entonces existe una órbita de la acción de dimensión menor o igual que m-r-1.

November 28th, 2022, Room "Seminario Álgebra", 12:30-13:30

Speaker: Özgür Bayındır  (City, University of London) 

Title: Adjoining roots to ring spectra, algebraic K-theory and chromatic redshift   

Abstract: I will start my talk by providing background on ring spectra and  algebraic K-theory through applications to manifold topology. After this, I will discuss our method for adjoining roots to ring spectra which we exploit to obtain new algebraic K-theory computations and to provide a conceptual approach to some of the known  algebraic K-theory computations. For this, we introduce a new definition of logarithmic THH  and show that root adjunction is logarithmic THH-etale. 

This is a joint work with Christian Ausoni and Tasos Moulinos.

January 23rd to 27th, 2023

Operads in Malaga

https://sites.google.com/view/operadsmalaga

July 20th, 2023, Room "Seminario Álgebra",  09:30-10:30

Speaker: Oihana Garaialde Ocaña  (Universidad del País Vasco)

Title: Cálculos en cohomología de grupos finitos 

Abstract: