6 papers
Artificial Life using a Book and Bookmarker
Keishu Utimula
Reproduction, development, and individual interactions are essential topics in artificial life. The cellular automata, which can handle these in a composite way, is highly restrict…
Intrinsic Electronic Defect States of Anatase using Density Functional Theory
Abhishek Raghav, Adie Tri Hanindriyo, Keishu Utimula +3
In this work an overall electronic structure including the position and formation energies of various intrinsic defects are computed for anatase using Density Functional Theory aid…
Quantum annealing approach to Ionic Diffusion in Solid
Keishu Utimula, Tom Ichibha, Genki I. Prayogo +3
We have developed a framework for using quantum annealing computation to evaluate a key quantity in ionic diffusion in solids, the correlation factor. Existing methods can only cal…
Stochastic estimations of a total number of classes for the clusterings with too enormous samples to be accommodate into a clustering engine
Keishu Utimula, Genki I. Prayogo, Kousuke Nakano +2
We considered the problem how to handle the exploding number of possibilities to be sorted into irreducible classes by using a clustering tool when its input capacity cannot accomm…
search of polymer crystals with high thermal conductivity
Keishu Utimula, Tom Ichibha, Ryo Maezono +1
Lattice thermal conductivities (LTC) for a subset of polymer crystals from the Polymer Genome Library were investigated to explore high LTC polymer systems. We employed a first-pri…
Machine learning clustering technique applied to powder X-ray diffraction patterns to distinguish alloy substitutions
Keishu Utimula, Rutchapon Hunkao, Masao Yano +5
We applied the clustering technique using DTW (dynamic time wrapping) analysis to XRD (X-ray diffraction) spectrum patterns in order to identify the microscopic structures of subst…