This book constitutes the refereed proceedings of the 12th International Conference on Algorithms and Discrete Applied Mathematics, CALDAM 2026, held in Dharwad, India, during February 12–14, 2026.The 35 full papers included in this book were carefully reviewed and selected from 75 submissions. They focus on algorithms and complexity, discrete applied mathematics, computational geometry, graph theory, network optimization, and machine learning.

This book constitutes the refereed proceedings of the 12th International Conference on Algorithms and Discrete Applied Mathematics, CALDAM 2026, held in Dharwad, India, during February 12–14, 2026.The 35 full papers included in this book were carefully reviewed and selected from 75 submissions. They focus on algorithms and complexity, discrete applied mathematics, computational geometry, graph theory, network optimization, and machine learning.

This book constitutes the refereed proceedings of the 12th International Conference on Algorithms and Discrete Applied Mathematics, CALDAM 2026, held in Dharwad, India, during February 12–14, 2026.The 35 full papers included in this book were carefully reviewed and selected from 75 submissions. They focus on algorithms and complexity, discrete applied mathematics, computational geometry, graph theory, network optimization, and machine learning.