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His webpage: https://www.math.upenn.edu/~ghrist/calculus.html

The book he mentions, Visual Complex Analysis by Tristan Needham, is awesome.

If you feel little bet insecure and lost with complex numbers, their relation to e and all the other things, just buy that book and look at the pictures. One hour looking a the pictures in the book is equal to 30 hours of studying the subject. You can use the book as a companion to any other book on complex analysis.

Cimabue, referred to as Cenni di Penni, is widely regarded as one of the best Italian painters.

According to historian Giorgio Vasari, Cimabue turned into the trainer of Giotto, the 14th century's most giant Italian painter.

The portray discovered in the lady's house is idea to be a part of a huge diptych courting from 1230 while Cimabue painted eight scenes depicting Christ's ardour and crucifixion.

Of the 8 scenes, others are regarded to the public. One of them, The Virgin and Child with Two Angels, presently hangs in the National Gallery in London at the same time as the other, The Flagellation of Christ, is in New York as part of the Frick Collection.

It is not the first time the art global has been amazed by means of an unexpected discovery of Cimabue's work.

The painting that is now in London's National Gallery become given to the state in 2000 after being determined for the duration of the clearout of a British aristocrat's ancestral domestic in Suffolk.

Early Renaissance painters were hugely prompted by means of Byzantine art, which continues to be produced in a similar fashion today on a heritage of gold paint. https://seotoolcheckers.com/article-rewriter-pro https://seotoolcheckers.com/plagiarism-checker

I can also recommend the text book on applied topology that is mentioned in the video: https://www.math.upenn.edu/~ghrist/notes.html

Prof. Ghrist is an excellent educator and has a knack for presenting complex materials in a very engaging way. His papers on computational topology are also very well worth a read even if you are not interested in topology or topological data analysis.

Best math talk ever.

Mr Ghrist, if you read this comment (I hope you check HN before Reddit), you are the Umberto Eco of math.

As a way of thanking you, here's a poem which I hope you will enjoy. The poem was written exactly 100 years ago, although I'm not sure if there's any meaning in this.

  I do not crush the world’s corolla of wonders
  and I don’t kill
  by means of mind the mysteries I meet
  along my path
  in flowers, eyes, on lips and graves.
  The light of others
  destroys the spell of mystery concealed
  in darkness depths,
  but I,
  I with my light enhance world’s secret –
  And as the white moonlight
  doesn’t diminish, but shimmering
  more it increases the secret of the night,
  so I enrich the dark horizon
  with greater chills of sacred mystery
  and all that is unknown
  becomes even more enigmatic
  under my eyes
  because I love
  flowers, and eyes, and lips, and graves.