Sep 2026· Zenodo (CERN European Organization for Nuclear Research)
Abstract
Calculation and plotting code, with numerical source data, for Figure 1 of "Density Matrix Geometry and Sum Rules". Version 1.0.0 archives GitHub commit 393f423d9353bf85c42062213355add528f8ce79. The package includes the Haldane-model Hamiltonian, Brillouin-zone quadrature on a uniform 2400 x 2400 midpoint mesh, temperature and parameter scans, finite-difference derivatives, plotting scripts, reference arrays, and all 1,884 displayed coordinates of nine curves. Installation and reproduction instructions are in README.md. Software and documentation are licensed under MIT. Numerical files in data/ are separately licensed under CC BY 4.0; these are not alternative licenses for the same files. See LICENSE and data/LICENSE. The sole software and data creator is Guangyue Ji. The archived files match the verified public repository. Redrawing the supplied arrays reproduces all source-data coordinates exactly; full recalculation agrees within approximately 2e-13 in the tested environment. No manuscript or internal submission records are included.
This publication proposes a definition and a classification of agile software development approaches and analyses ten software development methods that can be characterized as being "agile" against the defined criterion.
P. Abrahamsson, O. Salo, Jussi Ronkainen et al.· arXiv.org· 727 citations· ⚡54
The study shows that agile practices improve both informal and formal communication, but indicates that, in larger development situations involving multiple external stakeholders, a mismatch of adequate communication mechanisms can sometimes even hinder the communication.
M. Pikkarainen, Jukka Haikara, O. Salo et al.· Empirical Software Engineeri...· 401 citations· ⚡48
The results indicate that software engineering work practices are chosen opportunistically, adapted and configured to provide value under the constrains imposed by the startup context.
Nicolò Paternoster, Carmine Giardino, M. Unterkalmsteiner et al.· Information and Software Tec...· 394 citations· ⚡54
The results show that the embedded industry has been able to apply agile methods in its development processes and that the appreciation of the agile methods and their individual practices appears to increase once adopted and applied in practice.
O. Salo, P. Abrahamsson· IET Software· 238 citations· ⚡9
Consequences of happiness and unhappiness that are beneficial and detrimental for developers' mental well-being, the software development process, and the produced artifacts are found.
D. Graziotin, Fabian Fagerholm, Xiaofeng Wang et al.· Journal of Systems and Softw...· 236 citations· ⚡13
The Mobile-D approach is briefly outlined here and the experiences gained from four case studies are discussed, which helped develop an agile development approach for mobile application development.
P. Abrahamsson, Antti Hanhineva, H. Hulkko et al.· Conference on Object-Oriente...· 225 citations· ⚡18
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