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mAnasataraMgiNI supplement
 RT @Sapratha: List of identifiable H treatises on medicine, astronomy and mathematics translated under or before the Sui Dynasty [581–618 A… 19 hours ago
 The storming of the citadels of science, tech& medicine in the occident by navyonmAda is no surprise to its careful… twitter.com/i/web/status/1… 1 day ago
 schwa deletion is an abomination twitter.com/krithikasivasw… 1 day ago
 Interesting set of coins from what's today Burma with a triple li~Nga a fish. A shaiva trident symbol. garuDa. An I… twitter.com/i/web/status/1… 1 day ago
 RT @Rjrasva: Cultural History of Late Tokugawa Japan Trent Maxey, associate professor, Departments of History and Asian Languages and Civil… 1 day ago
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Recent Posts
 Some ruminations on asteroids and meteoritic falls
 Comet C/2022 E3 (ZTF)
 The Vyomavyāpin in the Pāśupatatantra and a discursion on ninefold Rudramantras
 BhāskaraII’s polygons and an algebraic approximation for sines of pi by x
 Origins of the serpent cult and Bhāguri’s snake installation from the Sāmaveda tradition
 Two simple stotras, sectarian competition, and the Varāha episode from the archaic Skandapurāṇa
 The zombie obeys: a note on host manipulation by parasites and its ecological consequences
 Cārucitrābhisambodhi
 RV 10.78
 The turning of the yugacakra
 A sampler of Ramanujan’s elementary results and their manifold ramifications
 A catalog of attractors, repellors, cycles, and other oscillations of some common functional iterates
 The wink of the Gorgon and the twang of the Lyre
 Some poems
 The Kaumāra cycle in the Skandapurāṇa’s Śaṃkarasaṃhitā
 Some notes on the runiform “Altaic” inscriptions and the early Turk Khaghanates: Orkhon and beyond
 Vikīrṇā viṣayāḥ: India and the Rus
 Alkaios’ hymn to the Dioskouroi: Hindu parallels
 Some notes on the IndoEuropean aspects of the Anatolian tradition
 The death of Miss Lizzie Willink
 IndoEuropean expansions and iconography: revisiting the anthropomorphic stelae
 Geopolitical summary: March 2022
 Human retroviruses, sociology of science, and biographical ruminations
 Transcripts of conversations: the addiction principle:
 Phantom impressions1
 A note on Śrī, Viṣṇu and śṛṅgāra
 Are civilizational cycles the norm?
 On the rise of the mātṛkās and the goddess Cāmuṇḍā
 Huns, Uralics, and empires of the steppe
 Some observations on the LekkerkerkerZeckendorf decomposition of integers

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March 2023 M T W T F S S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 
Pages
Categories
Search this Blog
Archives
mAnasataraMgiNI supplement
 RT @Sapratha: List of identifiable H treatises on medicine, astronomy and mathematics translated under or before the Sui Dynasty [581–618 A… 19 hours ago
 The storming of the citadels of science, tech& medicine in the occident by navyonmAda is no surprise to its careful… twitter.com/i/web/status/1… 1 day ago
 schwa deletion is an abomination twitter.com/krithikasivasw… 1 day ago
 Interesting set of coins from what's today Burma with a triple li~Nga a fish. A shaiva trident symbol. garuDa. An I… twitter.com/i/web/status/1… 1 day ago
 RT @Rjrasva: Cultural History of Late Tokugawa Japan Trent Maxey, associate professor, Departments of History and Asian Languages and Civil… 1 day ago
Top Posts

Recent Posts
 Some ruminations on asteroids and meteoritic falls
 Comet C/2022 E3 (ZTF)
 The Vyomavyāpin in the Pāśupatatantra and a discursion on ninefold Rudramantras
 BhāskaraII’s polygons and an algebraic approximation for sines of pi by x
 Origins of the serpent cult and Bhāguri’s snake installation from the Sāmaveda tradition
 Two simple stotras, sectarian competition, and the Varāha episode from the archaic Skandapurāṇa
 The zombie obeys: a note on host manipulation by parasites and its ecological consequences
 Cārucitrābhisambodhi
 RV 10.78
 The turning of the yugacakra
 A sampler of Ramanujan’s elementary results and their manifold ramifications
 A catalog of attractors, repellors, cycles, and other oscillations of some common functional iterates
 The wink of the Gorgon and the twang of the Lyre
 Some poems
 The Kaumāra cycle in the Skandapurāṇa’s Śaṃkarasaṃhitā
 Some notes on the runiform “Altaic” inscriptions and the early Turk Khaghanates: Orkhon and beyond
 Vikīrṇā viṣayāḥ: India and the Rus
 Alkaios’ hymn to the Dioskouroi: Hindu parallels
 Some notes on the IndoEuropean aspects of the Anatolian tradition
 The death of Miss Lizzie Willink
 IndoEuropean expansions and iconography: revisiting the anthropomorphic stelae
 Geopolitical summary: March 2022
 Human retroviruses, sociology of science, and biographical ruminations
 Transcripts of conversations: the addiction principle:
 Phantom impressions1
 A note on Śrī, Viṣṇu and śṛṅgāra
 Are civilizational cycles the norm?
 On the rise of the mātṛkās and the goddess Cāmuṇḍā
 Huns, Uralics, and empires of the steppe
 Some observations on the LekkerkerkerZeckendorf decomposition of integers

Join 699 other subscribers
Meta
March 2023 M T W T F S S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Tag Archives: nArAyaNa
Are civilizational cycles the norm?
Nearly two and half decades back, we used to have several conversations with a late śūlapuruṣīya professor, mostly on topics with a biological angle. While not a mathematician, he had a passing interest in dynamical systems, for he felt that … Continue reading
Sequences related to maps based on simple fractional functions
One of the pleasures of an unstructured youth in the precomputer era was what we called calculator games. As our father took his prized calculator with him to work we only got a little time with it in the evenings. … Continue reading
Posted in Scientific ramblings
Tagged arithmetic, complex numbers, fibonacci, fractal, fractals, mathematics, nArAyaNa, numbers, sequence, trigonometry
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Some Nārāyaṇalike convergents and their geometric and trigonometric connections
While playing with an iterative geometric construction in our youth we discovered for ourselves a particular right triangle whose sides are in the proportion , where is the Golden Ratio. This triangle is of course famous as being the basis … Continue reading
A modern glance at Nārāyaṇapaṇḍita’s combinatorics1
For improved reading experience one may use the PDF version. Students of the history of Hindu mathematics are wellacquainted with Nārāyaṇapaṇḍita’s sophisticated treatment of various aspects of combinatorics and integer sequences in his Gaṇitakaumudī composed in 1356 CE. In that … Continue reading
Nārāyaṇa’s sequence, Mādhava’s series and pi
The cointoss problem and Nārāyaṇa’s sequence If you toss a fair coin times how many of the possible resultsequences of tosses will not have a successive run of 3 or more Heads? The same can be phrased as given tosses … Continue reading
Posted in Heathen thought, History, Scientific ramblings
Tagged approximation for pi, coin toss, constant, Euclid, fibonacci, Geometric construction, geometry, Golden Ratio, hexagon, Hindu mathematics, history of science, mAdhava, mathematics, nArAyaNa, pentagon, pi, sequence, series sum, tribonacci
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