Academic Publications
Selected Publications in Physics & Mathematics (volume)
Selected Articles in Greek ; also here (volume)
Articles - Klik ; also here
Featured Publications
C. J. Papachristou, B. K. Harrison,
Isogroups of differential ideals of vector-valued differential forms: Application to partial differential equations
Acta Appl. Math. 11 (1988) 155
C. J. Papachristou, B. K. Harrison,
Some aspects of the isogroup of the self-dual Yang-Mills system
J. Math. Phys. 28 (1987) 1261
C. J. Papachristou, B. K. Harrison,
Nonlocal symmetries and Bäcklund transformations for the self-dual Yang-Mills system
J. Math. Phys. 29 (1988) 238
C. J. Papachristou, B. K. Harrison,
Bäcklund transformations and local conservation laws for self-dual Yang-Mills fields with arbitrary gauge group
Phys. Lett. A 127 (1988) 167
C. J. Papachristou, B. K. Harrison,
Local currents for the GL(N,C) self-dual Yang-Mills equation
Lett. Math. Phys. 17 (1989) 285
C. J. Papachristou,
Nonlocal currents for the self-dual Yang-Mills equation
Phys. Lett. A 138 (1989) 493
C. J. Papachristou,
Potential symmetries for self-dual gauge fields
Phys. Lett. A 145 (1990) 250
C. J. Papachristou,
Recursion operator and current algebras for the potential SL(N,C) self-dual Yang-Mills equation
Phys. Lett. A 154 (1991) 29
C. J. Papachristou,
Lax pair, hidden symmetries, and infinite sequences of conserved currents for self-dual Yang-Mills fields
J. Phys. A 24 (1991) L 1051
C. J. Papachristou, B. K. Harrison,
Lax pair, conserved currents, and hidden symmetry transformation for the Ernst equation
Phys. Lett. A 190 (1994) 407
E. G. Larson, C. J. Papachristou,
Hilbert spaces with non-orthonormal bases: Geometry and Quantum Mechanics
J. Utah Acad. Sci. 62 (1985) 78
C. J. Papachristou,
Symmetry and integrability of classical field equations
Nausivios Chora, Vol. 2 (2008) 341
https://arxiv.org/abs/0803.3688
C. J. Papachristou, B. K. Harrison,
A method for constructing a Lax pair for the Ernst equation
Electron. J. Theor. Phys. 6, No. 22 (2009) 29
http://www.ejtp.biz/articles/ejtpv6i22p29.pdf ; see also here
C. J. Papachristou,
Symmetry, conserved charges, and Lax representations of nonlinear field equations: A unified approach
Electron. J. Theor. Phys. 7, No. 23 (2010) 1
http://www.ejtp.biz/articles/ejtpv7i23p1.pdf ; see also here
C. J. Papachristou, B. K. Harrison,
Bäcklund-transformation-related recursion operators: Application to the self-dual Yang-Mills equation
J. Nonlin. Math. Phys., Vol. 17, No. 1 (2010) 35
https://www.tandfonline.com/doi/pdf/10.1142/S1402925110000581
C. J. Papachristou,
Symmetry and integrability of a reduced, 3-dimensional self-dual gauge field model
Electron. J. Theor. Phys. 9, No. 26 (2012) 119
https://web.archive.org/web/20120504053839id_/http://www.ejtp.com/articles/ejtpv9i26p119.pdf ; see also here
C. J. Papachristou,
Foundations of Newtonian dynamics: An axiomatic approach for the thinking student
Nausivios Chora, Vol. 4 (2012) 153
https://nausivios.hna.gr/docs/2012C2.pdf
New version: https://arxiv.org/abs/1205.2326
C. J. Papachristou, A. N. Magoulas,
Electromotive force: A guide for the perplexed
Nausivios Chora, Vol. 5 (2014) C-3
https://nausivios.hna.gr/docs/2014C1.pdf
C. J. Papachristou, A. N. Magoulas,
Does the electromotive force (always) represent work?
Advanced Electromagnetics, Vol. 4, No. 1 (2015) 10-15
https://aemjournal.org/index.php/AEM/article/view/257 ; PDF
C. J. Papachristou,
The Maxwell equations as a Bäcklund transformation
Advanced Electromagnetics, Vol. 4, No. 1 (2015) 52-58
https://aemjournal.org/index.php/AEM/article/view/311 ; PDF
C. J. Papachristou, A. N. Magoulas,
Bäcklund transformations: Some old and new perspectives
Nausivios Chora, Vol. 6 (2016) C-3
https://nausivios.hna.gr/docs/2016C.pdf
C. J. Papachristou, A. N. Magoulas,
Some aspects of the electromotive force
META Publishing, No. 56 (2017)
https://metapublishing.org/index.php/MP/catalog/book/56 ; PDF
C. J. Papachristou,
Some remarks on the charging capacitor problem
Advanced Electromagnetics, Vol. 7, No. 2 (2018) 10-12
https://www.aemjournal.org/index.php/AEM/article/view/694 ; PDF
New results: https://metapublishing.org/index.php/MP/catalog/book/57 ; also here
C. J. Papachristou, A. N. Magoulas,
On solving Maxwell’s equations for a charging capacitor
Nausivios Chora, Vol. 7 (2018) C-3
https://nausivios.hna.gr/docs/2018C1.pdf
C. J. Papachristou,
Infinitesimal symmetry transformations of matrix-valued differential equations: An algebraic approach
Nausivios Chora, Vol. 7 (2018) C-31
https://nausivios.hna.gr/docs/2018C3.pdf
C. J. Papachristou,
Work of a time-dependent force
META Publishing, No. 63 (2019)
https://metapublishing.org/index.php/MP/catalog/book/63 ; PDF
C. J. Papachristou,
On non-monochromatic plane-wave solutions of Maxwell's equations
META Publishing, No. 70 (2020)
https://metapublishing.org/index.php/MP/catalog/book/70 ; also here
C. J. Papachristou, A. N. Magoulas,
Independence of Maxwell's equations: A Bäcklund-transformation view
Nausivios Chora, Vol. 8 (2022) C-3
https://nausivios.hna.gr/docs/NCH_v8_2022_C1.pdf
C. J. Papachristou,
Approximate solutions of Maxwell’s equations for a charging capacitor
Nausivios Chora, Vol. 8 (2022) C-47
https://nausivios.hna.gr/docs/NCH_v8_2022_C3.pdf
Popular Science
C. J. Papachristou,
The hidden symmetry and Mr. Higgs!
https://arxiv.org/abs/1401.1327
Electromagnetic waves, gravitational waves and the prophets who predicted them
https://arxiv.org/abs/1603.00871
But, how can the atom be so stable, Dr. Maxwell?
https://arxiv.org/abs/2105.08421 ; also here
Debunking the myth of a "flat Earth" (An elementary introduction to non-Euclidean geometry)
Educational Notes
C. J. Papachristou,
One-dimensional Newtonian systems
www.researchgate.net/publication/365321966_One-dimensional_Newtonian_systems
Amplitude dependence of period in one-dimensional periodic motion
A note on the principle of superposition in electrodynamics
On active and passive transformations
www.researchgate.net/publication/363174599_On_active_and_passive_transformations
Revisiting Archimedes' principle: Buoyancy and external pressure
The many faces of the exponential function
www.researchgate.net/publication/375121452_The_many_faces_of_the_exponential_function
Humanities
C. J. Papachristou,
A conceptual approach to racism
https://www.tovima.gr/2014/03/07/international/a-conceptual-approach-to-racism/
Hitler and Stalin on the moral balance of History
https://www.researchgate.net/publication/317017578_Hitler_and_Stalin_on_the_moral_balance_of_History