21 Jan 2022Leen NoordzijLeave a Comment on Innovation and Its Fallacies. Expect the improbable. A change from exnovation to innovation. Updated 2022-01-21 Prologue Serendipity Innovation and Its Fallacies. Expect the improbable. A change from exnovation to innovation. Updated 2022-01-21 Prologue Serendipity
8 Jan 20228 Jan 2022Leen NoordzijLeave a Comment on Adaptation to Climate via Morphological Change. Optimizing Heat Exchange Updated 2022-01-08 and Edited Toucan Adaptation to Climate via Morphological Change. Optimizing Heat Exchange Updated 2022-01-08 and Edited Toucan
2 Jan 2022Leen NoordzijLeave a Comment on Isoperimetric Inequality and the Isoepifaeic Inequality Updated 2022-01-02 footnote 2, page 31 Isoperimetric Inequality and the Isoepifaeic Inequality Updated 2022-01-02 footnote 2, page 31
16 Aug 202116 Aug 2021Leen NoordzijLeave a Comment on Quantum Mechanics and the Theoretical Minimum Updated 2021-08-16 Section 4.8 Ignoring the Phase Factor in Exercise 3.4 and the matrix σn some phase factors could not be ignored. Quantum Mechanics and the Theoretical Minimum Updated 2021-08-16 Section 4.8 Ignoring the Phase Factor in Exercise 3.4 and the matrix σn some phase factors could not be ignored.
6 Jul 20216 Jul 2021Leen NoordzijLeave a Comment on Raindrops keep falling on my umbrella. Or how to survive as an umbrella manufacturer. Edited and Updated 2021-07-06. Raindrops keep falling on my umbrella. Or how to survive as an umbrella manufacturer. Edited and Updated 2021-07-06.
4 Jul 20214 Jul 2021Leen NoordzijLeave a Comment on De Fermat and the method of ‘Descente infinie’ Updated 2021-07-04 §§ 3.1 and 4. De Fermat and the method of ‘Descente infinie’ Updated 2021-07-04 §§ 3.1 and 4.
27 Jun 202127 Jun 2021Leen NoordzijLeave a Comment on Quantum Mechanics in Texas, The Graduate Course Updated 2021-06-27 Section 5.4 Intermezzo Baker-Hausdorff Lemma Quantum Mechanics in Texas, The Graduate Course Updated 2021-06-27 Section 5.4 Intermezzo Baker-Hausdorff Lemma
20 Jun 202120 Jun 2021Leen NoordzijLeave a Comment on Abolish 2.1. Every governmental institution develops into incompetence. Updated 2021-06-20, Conclusions and Epilogue. Abolish 2.1. Every governmental institution develops into incompetence. Updated 2021-06-20, Conclusions and Epilogue.
10 Jun 202110 Jun 2021Leen NoordzijLeave a Comment on Archimedes’ Lever, Trisectrice of an angle by Geometrical Iteration Updated 2021-06-10, Edited and § 6.11: direct geometrical iteration of β/3 for 2π/3<β<2π Archimedes’ Lever, Trisectrice of an angle by Geometrical Iteration Updated 2021-06-10, Edited and § 6.11: direct geometrical iteration of β/3 for 2π/3<β<2π
10 Jun 202110 Jun 2021Leen NoordzijLeave a Comment on The Theoretical Minimum to Study Classical Physics Updated 2021-06-10 Edited, A.2.3 Mathematical Proof of Kepler’s Swiped Area Law, page 55 of my notes The Theoretical Minimum to Study Classical Physics Updated 2021-06-10 Edited, A.2.3 Mathematical Proof of Kepler’s Swiped Area Law, page 55 of my notes