activity
20222026
most citedA Comprehensive Study of Adjoint-Based Optimization of Non-Linear Systems with Application to Burgers' Equation

5 citations · 9 across the 6 of their papers we have counts for

collaborators

6 papers

math.DS2026

Macroscopic Multistability and Bifurcations in Theta-Neuron Networks with Distributed Delays

Lavinia Bîrdac, Alexandru Fikl, Eva Kaslik +1

We study an all-to-all coupled network of identical theta neurons with synaptic interaction mediated by a distributed time delay. Using the Watanabe-Strogatz reduction and passing…

nlin.CD2025★ 1 cited

Fractal geometry predicts dynamic differences in structural and functional connectomes

Anca Radulescu, Eva Kaslik, Alexandru Fikl +3

Understanding the intricate architecture of brain networks and its connection to brain function is essential for deciphering the underlying principles of cognition and disease. Whi…

math.NA2025

A Fast Direct Solver for Boundary Integral Equations Using Quadrature By Expansion

Alexandru Fikl, Andreas Klöckner

We construct and analyze a hierarchical direct solver for linear systems arising from the discretization of boundary integral equations using the Quadrature by Expansion (QBX) meth…

physics.bio-ph2024★ 2 cited

Simulating neuronal dynamics in fractional adaptive exponential integrate-and-fire models

Alexandru Fikl, Aman Jhinga, Eva Kaslik +1

We introduce an efficient discretization of a novel fractional-order adaptive exponential (FrAdEx) integrate-and-fire model, which is used to study the fractional-order dynamics of…

nlin.CD2023★ 1 cited

Complex dynamics in two-dimensional coupling of quadratic maps

Anca Radulescu, Eva Kaslik, Alexandru Fikl

This paper examines the structure and limitations of equi-M sets in two-dimensional Complex Quadratic Networks (CQNs). In particular, we aim to describe the relationship between th…

physics.comp-ph2022★ 5 cited

A Comprehensive Study of Adjoint-Based Optimization of Non-Linear Systems with Application to Burgers' Equation

Alexandru Fikl, Vincent Le Chenadec, Taraneh Sayadi +1

In the context of adjoint-based optimization, nonlinear conservation laws pose significant problems regarding the existence and uniqueness of both direct and adjoint solutions, as…