activity
20102026
most citedOn the Cahn-Hilliard equation with dynamic boundary conditions and a dominating boundary potential

77 citations · 150 across the 27 of their papers we have counts for

collaborators

44 papers

math.OC2026

Asymptotic analysis of an optimal control problem for a phase field tumor growth model with hyperbolic relaxation of the chemical potential

Pierluigi Colli, Elisabetta Rocca, Jürgen Sprekels

In this paper, we study the optimal control of a phase field tumor growth model of Cahn--Hilliard type with possibly singular potential in which the often assumed parabolic relaxat…

math.OC2026

Optimal control of a tumor growth model with hyperbolic relaxation of the chemical potential

Pierluigi Colli, Elisabetta Rocca, Jürgen Sprekels

In this paper, we study the optimal control of a phase field model for a tumor growth model of Cahn--Hilliard type in which the often assumed parabolic relaxation of the chemical p…

math.OC2026

Optimal velocity control of a Brinkman-Cahn-Hilliard system with curvature effects

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

We address an optimal control problem governed by a system coupling a Brinkman-type momentum equation for the velocity field with a sixth-order Cahn-Hilliard equation for the phase…

math.AP2025

On the hyperbolic relaxation of the chemical potential in a phase field tumor growth model

Pierluigi Colli, Elisabetta Rocca, Jürgen Sprekels

In this paper, we study a phase field model for a tumor growth model of Cahn--Hilliard type in which the often assumed parabolic relaxation of the chemical potential is replaced by…

math.AP2025

On Brinkman flows with curvature-induced phase separation in binary mixtures

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

The mathematical analysis of diffuse-interface models for multiphase flows has attracted significant attention due to their ability to capture complex interfacial dynamics, includi…

math.AP2024

Hyperbolic relaxation of the chemical potential in the viscous Cahn-Hilliard equation

Pierluigi Colli, Jürgen Sprekels

In this paper, we study a hyperbolic relaxation of the viscous Cahn--Hilliard system with zero Neumann boundary conditions. In fact, we consider a relaxation term involving the sec…

math.OC2024

Second-order optimality conditions for the sparse optimal control of nonviscous Cahn-Hilliard systems

Pierluigi Colli, Jürgen Sprekels

In this paper we study the optimal control of an initial-boundary value problem for the classical nonviscous Cahn-Hilliard system with zero Neumann boundary conditions. Phase field…

math.OC2024

Optimality conditions for sparse optimal control of viscous Cahn-Hilliard systems with logarithmic potential

Pierluigi Colli, Jürgen Sprekels, Fredi Tröltzsch

In this paper we study the optimal control of a parabolic initial-boundary value problem of viscous Cahn-Hilliard type with zero Neumann boundary conditions. Phase field systems of…

math.AP2024

Curvature effects in pattern formation: well-posedness and optimal control of a sixth-order Cahn-Hilliard equation

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

This work investigates the well-posedness and optimal control of a sixth-order Cahn-Hilliard equation, a higher-order variant of the celebrated and well-established Cahn-Hilliard e…

math.OC2023

Nutrient control for a viscous Cahn-Hilliard-Keller-Segel model

Gianni Gilardi, Andrea Signori, Jürgen Sprekels

In this paper, we address a distributed control problem for a system of partial differential equations describing the evolution of a tumor that takes the biological mechanism of ch…

math.OC2023

Second-order sufficient conditions in the sparse optimal control of a phase field tumor growth model with logarithmic potential

Jürgen Sprekels, Fredi Tröltzsch

This paper treats a distributed optimal control problem for a tumor growth model of viscous Cahn--Hilliard type. The evolution of the tumor fraction is governed by a thermodynamic…

math.OC2023

Second-order sufficient conditions for sparse optimal control of singular Allen--Cahn systems with dynamic boundary conditions

Jürgen Sprekels, Fredi Tröltzsch

In this paper we study the optimal control of a parabolic initial-boundary value problem of Allen--Cahn type with dynamic boundary conditions. Phase field systems of this type gove…

math.OC2023

Optimal temperature distribution for a nonisothermal Cahn-Hilliard system in two dimensions with source term and double obstacle potential

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

In this note, we study the optimal control of a nonisothermal phase field system of Cahn-Hilliard type that constitutes an extension of the classical Caginalp model for nonisotherm…

math.OC2023

Optimal temperature distribution for a nonisothermal Cahn-Hilliard system with source term

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

In this note, we study the optimal control of a nonisothermal phase field system of Cahn-Hilliard type that constitutes an extension of the classical Caginalp model for nonisotherm…

math.OC2022

Optimal control of a nonconserved phase field model of Caginalp type with thermal memory and double obstacle potential

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

In this paper, we investigate optimal control problems for a nonlinear state system which constitutes a version of the Caginalp phase field system modeling nonisothermal phase tran…

math.AP2022★ 1 cited

On a Cahn-Hilliard system with source term and thermal memory

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

A nonisothermal phase field system of Cahn-Hilliard type is introduced and analyzed mathematically. The system constitutes an extension of the classical Caginalp model for nonisoth…

math.AP2022★ 10 cited

Cahn-Hilliard-Brinkman model for tumor growth with possibly singular potentials

Pierluigi Colli, Gianni Gilardi, Andrea Signori +1

We analyze a phase field model for tumor growth consisting of a Cahn-Hilliard-Brinkman system, ruling the evolution of the tumor mass, coupled with an advection-reaction-diffusion…

math.AP2021

Well-posedness and optimal control for a Cahn-Hilliard-Oono system with control in the mass term

Pierluigi Colli, Gianni Gilardi, Elisabetta Rocca +1

The paper treats the problem of optimal distributed control of a Cahn-Hilliard-Oono system in , , with the control located in the mass term and admitti…

math.OC2020

Second-order analysis of an optimal control problem in a phase field tumor growth model with singular potentials and chemotaxis

Pierluigi Colli, Andrea Signori, Jürgen Sprekels

This paper concerns a distributed optimal control problem for a tumor growth model of Cahn-Hilliard type including chemotaxis with possibly singular potentials, where the control a…

math.AP2020

An asymptotic analysis for a generalized Cahn-Hilliard system with fractional operators

Pierluigi Colli, Gianni Gilardi, Jürgen Sprekels

In the recent paper `Well-posedness and regularity for a generalized fractional Cahn-Hilliard system' (Atti Accad. Naz. Lincei Rend. Lincei Mat. Appl. 30 (2019), 437-478 -- see als…

math.AP2019

Asymptotic analysis of a tumor growth model with fractional operators

Pierluigi Colli, Gianni Gilardi, Jürgen Sprekels

In this paper, we study a system of three evolutionary operator equations involving fractional powers of selfadjoint, monotone, unbounded, linear operators having compact resolvent…

math.OC2019

A distributed control problem for a fractional tumor growth model

Pierluigi Colli, Gianni Gilardi, Jürgen Sprekels

In this paper, the authors study the distributed optimal control of a system of three evolutionary equations involving fractional powers of three selfadjoint, monotone, unbounded l…

math.AP2019★ 19 cited

Optimal control of a phase field system modelling tumor growth with chemotaxis and singular potentials

Pierluigi Colli, Andrea Signori, Jürgen Sprekels

A distributed optimal control problem for an extended model of phase field type for tumor growth is addressed. In this model, the chemotaxis effects are also taken into account. Th…

math.AP2018

Optimal distributed control of a generalized fractional Cahn-Hilliard system

Pierluigi Colli, Gianni Gilardi, Jürgen Sprekels

In the recent paper `Well-posedness and regularity for a generalized fractional Cahn-Hilliard system' (arXiv:1804.11290) by the same authors, general well-posedness results have be…