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- A layman’s overview of the arithmetic of encryption
- Division-multiplication parabolas, triplications, and quadratic residues
- A brief overview of the last campaign of Chingiz Khan and the issue of succession in the Mongol empire
- The mean hyperbola and other mean functions
- A Political roundup August 15 2018
- The geometric principles behind discrete dynamical systems based on the generalized Witch of Agnesi
- Reflections on our journey through the aliquot sums and sequences
- The ghost in the tattered Gattermann
- The hearts and the intrinsic Cassinian curve of an ellipse
- The mathematics class
- Residues of squares, sequence curiosities and parabolas galore
- A poll on peoples’ beliefs on reincarnation
- Making of a modern-day mantra-śāstra pamphlet
- Some words on mathematical truth, scientific conviction and the sociology of science
- A note on the least prime divisor sequences of 2p plus or minus 1
- A note on āmreḍita-s in the Ṛgveda and issues of word distribution
- The amazonian banana republic: the strī-rājya in Hindu tradition
- Sītā in the pyre
- A sequence related to prime counting
- Convergence to a palindrome
- A problem from 600 CE and some curiosities of Āryabhaṭa’s kuṭṭaka algorithm
- A brief note on some new developments regarding the genomics of Indians
- The remarkable behavior of a map displaying derived from a simple model for a biological conflict
- A day at school
- Mongolica: Qubilai Khan’s campaign to destroy the Southern Song
- The quotient triangle, the parabola-hyperbola sequence, the remainder triangle and perfect numbers
- Counting primes, arithmetic functions, Ramanujan and the like
- Our auto-discovery of the Möbius and Mertens sequences
- Mongolica: Knowledge preservation and generation, Bolad Aqa and the like
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Tag Archives: Geometric construction
The mean hyperbola and other mean functions
Let be two numbers such that, We use to construct a specific rectangular hyperbola using one of the following methods: Method-I (Figure 1: this is based on an approach we described earlier) Figure 1 1) Mark point , which will … Continue reading
The hearts and the intrinsic Cassinian curve of an ellipse
Introduction This investigation began with our exploration of pedal curves during the vacation following our university entrance exams in the days of our youth. It led to us discovering for ourselves certain interesting heart-shaped curves, which are distinct from the … Continue reading
Posted in Scientific ramblings
Tagged circle, conic sections, conics, curves, ellipse, Geometric construction, geometry, heart-curve, hyperbola, ovals, parabola, recreational geometry
The mathematics class
It was a dreary autumn day, the same year Lootika had joined their school. The apabhraṃśa class had just gotten over. Somakhya’s head was spinning with all the confusing genders of the vulgar apabhraṃśa that was dealt with in the … Continue reading
Posted in Life
Tagged fiction, Geometric construction, geometry, Story
Triangles, Hexes and Cubes
One philosophical question which we have often ponder about is: Are numbers “real”? One way to approach this question is via figurate numbers, where numbers directly manifest as very tangible geometry. This idea has deep roots in our tradition: as … Continue reading
Posted in art, Heathen thought, History, Scientific ramblings
Tagged AryabhaTa, Euler, figurate numbers, Gauss, Geometric construction, geometry, hex, Hindu mathematics, nIlakaNTha somayAjin, recreational geometry, sequence, series sum, square, sum, triangular
Citrabhānu’s cubes
The Hindus unlike their yavana cousins preferred algebra to geometry. Yet on occasions they could indulge in geometric games for demostrating proofs of algebraic relations. We see a bit of this in the Āryabhaṭa school and the great Bhāskara-II, but … Continue reading
Hofstadter and Nārāyaṇa: connections across space and time
The scientist-philosopher Douglas Hofstadter presents an interesting single-seeded sequence H in his book ‘Gödel, Escher, Bach: An Eternal Golden Braid’. It is generated by the recurrence relation, where …(1) Working it out one can see that it takes the form: … Continue reading
Posted in art, Scientific ramblings
Tagged conic sections, conics, fractal, fractals, Geometric construction, geometry, Golden Ratio, Hofstader, mathematics, recreational geometry, recursion, sequence
Median and pedal triangles and derived fractals: an introductory account
It is rather easily seen that joining the midpoints of the sides of a triangle yields four congruent triangles that in turn are similar to the original triangle (Figure 1). This figure might be used to provided a self-evident geometric … Continue reading
Posted in art, Scientific ramblings
Tagged fractal, fractals, Geometric construction, geometry, mathematics, triangles
