activity
20172026
most citedEnhanced Optimization with Composite Objectives and Novelty Selection

8 citations · 21 across the 14 of their papers we have counts for

collaborators

15 papers

physics.optics2026

Metalens-transparent ultrasound transducer module for extended depth photoacoustic microscopy

Krishnendu Samanta, Myunghoo Lee, Shubham Mirg +5

Optical-resolution photoacoustic microscopy (ORPAM) provides label-free optical-absorption contrast at millimeter-scale tissue depths with micrometer-scale lateral resolution. Howe…

cs.LG2026

Efficient Pre-Training of LLMs through Truncated SVD Representations

Kaivan Kamali, Kajetan Schweighofer, Hormoz Shahrzad +3

LLM pretraining is extremely costly; therefore, parameter-efficient LLM architectures have recently emerged as a compelling research direction. One such promising approach is to re…

cs.NE2026

Evolution With Purpose: Hierarchy-Informed Optimization of Whole-Brain Models

Hormoz Shahrzad, Niharika Gajawelli, Kaitlin Maile +2

Evolutionary search is well suited for large-scale biophysical brain modeling, where many parameters with nonlinear interactions and no tractable gradients need to be optimized. St…

cs.MA2026

TerraLingua: Emergence and Analysis of Open-endedness in LLM Ecologies

Giuseppe Paolo, Jamieson Warner, Hormoz Shahrzad +3

As autonomous agents increasingly operate in real-world digital ecosystems, understanding how they coordinate, form institutions, and accumulate shared culture becomes both a scien…

cs.AI2025

Solving a Million-Step LLM Task with Zero Errors

Elliot Meyerson, Giuseppe Paolo, Roberto Dailey +6

LLMs have achieved remarkable breakthroughs in reasoning, insights, and tool use, but chaining these abilities into extended processes at the scale of those routinely executed by h…

cs.NE2024★ 3 cited

GPU-Accelerated Rule Evaluation and Evolution

Hormoz Shahrzad, Risto Miikkulainen

This paper introduces an innovative approach to boost the efficiency and scalability of Evolutionary Rule-based machine Learning (ERL), a key technique in explainable AI. While tra…

cs.NE2023

Asynchronous Evolution of Deep Neural Network Architectures

Jason Liang, Hormoz Shahrzad, Risto Miikkulainen

Many evolutionary algorithms (EAs) take advantage of parallel evaluation of candidates. However, if evaluation times vary significantly, many worker nodes (i.e.,\ compute clients)…

cs.NE2023

Accelerating Evolution Through Gene Masking and Distributed Search

Hormoz Shahrzad, Risto Miikkulainen

In building practical applications of evolutionary computation (EC), two optimizations are essential. First, the parameters of the search method need to be tuned to the domain in o…

cs.AI2022

EVOTER: Evolution of Transparent Explainable Rule-sets

Hormoz Shahrzad, Babak Hodjat, Risto Miikkulainen

Most AI systems are black boxes generating reasonable outputs for given inputs. Some domains, however, have explainability and trustworthiness requirements that cannot be directly…

cs.NE2022

DIAS: A Domain-Independent Alife-Based Problem-Solving System

Babak Hodjat, Hormoz Shahrzad, Risto Miikkulainen

A domain-independent problem-solving system based on principles of Artificial Life is introduced. In this system, DIAS, the input and output dimensions of the domain are laid out i…

cs.NE2020

Effective Reinforcement Learning through Evolutionary Surrogate-Assisted Prescription

Olivier Francon, Santiago Gonzalez, Babak Hodjat +4

There is now significant historical data available on decision making in organizations, consisting of the decision problem, what decisions were made, and how desirable the outcomes…

cs.NE2020★ 2 cited

Regularized Evolutionary Population-Based Training

Jason Liang, Santiago Gonzalez, Hormoz Shahrzad +1

Metalearning of deep neural network (DNN) architectures and hyperparameters has become an increasingly important area of research. At the same time, network regularization has been…

cs.NE2019★ 1 cited

Enhanced Optimization with Composite Objectives and Novelty Pulsation

Hormoz Shahrzad, Babak Hodjat, Camille Dollé +5

An important benefit of multi-objective search is that it maintains a diverse population of candidates, which helps in deceptive problems in particular. Not all diversity is useful…

cs.NE2018★ 8 cited

Enhanced Optimization with Composite Objectives and Novelty Selection

Hormoz Shahrzad, Daniel Fink, Risto Miikkulainen

An important benefit of multi-objective search is that it maintains a diverse population of candidates, which helps in deceptive problems in particular. Not all diversity is useful…

cs.NE2017★ 7 cited

Evolving Deep Neural Networks

Risto Miikkulainen, Jason Liang, Elliot Meyerson +8

The success of deep learning depends on finding an architecture to fit the task. As deep learning has scaled up to more challenging tasks, the architectures have become difficult t…