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单词 KalleVaisala
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Kalle Väisälä


Kalle Väisälä (1893-8-19 à 1968-9-16), a Finnish mathematician and pedagogue, was born in Kontiolahti, Finland. Having a function-theoretic background, his his PhD thesis 1916 was anyway Über die algebraisch auflösbaren Gleichungen fünften Grades (‘On algebraically solvable equations of degree five’). Professor of mathematics in University of Tartu (Estonia), University of Turku (Finland) and Helsinki University of Technology.

Väisälä was known as an excellent teacher and author of textbooks of mathematics. For schools he made textbooks of algebra and geometry, which was printed altogether 800,000 copies. He abandoned the EuclideanMathworldPlanetmath systematics and extended the school algebra to the differential and integral calculus. For orientating himself in the problematics he teached on the in a school.  Väisälä made also textbooks for university-level, the most known are Lukuteorian ja korkeamman algebran alkeet (‘Elements of number theory and higher algebra’), Vektorianalyysi and Laplace-muunnos (‘Laplace transformDlmfMathworldPlanetmath’).

TitleKalle Väisälä
Canonical nameKalleVaisala
Date of creation2013-03-22 17:52:42
Last modified on2013-03-22 17:52:42
Ownerpahio (2872)
Last modified bypahio (2872)
Numerical id8
Authorpahio (2872)
Entry typeBiography
Classificationmsc 01A60
SynonymK. Väisälä
SynonymKalle Vaisala
Related topicEulersDerivationOfTheQuarticFormula
Related topicInverseLaplaceTransformOfMeromorphicFunction
Related topicVectorPotential
Related topicProductOfNegativeNumbers
Related topicAlgebraicallySolvable
Related topicDyadProduct
Related topicFourierSeriesInComplexFormAndFourierIntegral
Related topicTruncatedCone
Related topicBombellisMethodOfComputingSquare
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