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8 papers · 2 filters
Variational Loop Vertex Expansion
Vasily Sazonov
Loop Vertex Expansion (LVE) was developed to construct QFT models with local and non-local interactions. Using LVE, one can prove the analyticity in the finite cardioid-like domain…
Deep learning complete intersection Calabi-Yau manifolds
Harold Erbin, Riccardo Finotello
We review advancements in deep learning techniques for complete intersection Calabi-Yau (CICY) 3- and 4-folds, with the aim of understanding better how to handle algebraic topologi…
SL(2, ) quartic vertex for closed string field theory
Harold Erbin, Suvajit Majumder
We construct the quartic vertex with a generic stub parameter for the bosonic closed string field theory by characterizing the vertex region in the modu…
Functional renormalization group for signal detection and stochastic ergodicity breaking
Harold Erbin, Riccardo Finotello, Bio Wahabou Kpera +2
Signal detection is one of the main challenges of data science. As it often happens in data analysis, the signal in the data may be corrupted by noise. There is a wide range of tec…
Gravitational action for a massive Majorana fermion in 2d quantum gravity
Corinne de Lacroix, Harold Erbin, Vincent Lahoche
We compute the gravitational action of a free massive Majorana fermion coupled to two-dimensional gravity on compact Riemann surfaces of arbitrary genus. The structure is similar t…
Anomalous higher order Ward identities in tensorial group field theories without closure constraint
Bio Wahabou Kpera, Vincent Lahoche, Dine Ousmane Samary +1
The Ward-Takahashi identities are considered as the generalization of the Noether currents available to quantum field theory and include quantum fluctuation effects. Usually, they…