Sass István (csillagász)

Sass István
Született1945. április 3. (79 éves)
Érmihályfalva
SzüleiSass Kálmán
Foglalkozásamatematikus,
csillagász,
szakíró
IskoláiBukaresti Egyetem (–1969)
SablonWikidataSegítség

Sass István (névváltozat Sass István Huba Attila) (Érmihályfalva, 1945. április 3. –) erdélyi magyar matematikai és csillagászati szakíró, Sass Kálmán (1904–1958) fia.

Életútja

Középiskoláit kényszerlakhelyes kitelepítettként Călăraşi-ban, a Bărăganban végezte (1964), majd a bukaresti egyetemen szerzett matematikacsillagászat szakos diplomát (1969). A csillagfejlődés késői szakaszairól írt disszertációjával (Stadii tîrzii în evoluţia stelelor) a BBTE-n doktorált Pál Árpád irányításával 1986-ban. 1969–1998-ig Nagybányán tanított különböző középiskolákban. 1998–2003 között adjunktus, 2003-tól egyetemi docens a Nagybányai Északi Egyetem matematika és informatika tanszékén.

Kutatási területei

Relativitás- és gravitációelmélet, fekete lyukak, galaxis- és csillagstruktúrák, égi mechanika.

Szakírói munkássága

Első írásai 1978-ban a Bányavidéki Fáklyában jelentek meg; itt 1980-ban 26 cikkből álló sorozatot közölt A csillagok világa címmel.

Szaktanulmányait angol nyelven a Babeș–Bolyai Tudományegyetem konferenciaköteteiben, szakfolyóiratokban közölte (Contributions of the Astronomical Observatory Proceedings of the Colloquium of Astronomy Section Astrophysics. 1977. november; Proceedings of the Symposium on Methods, Models and Techniques in Physics and Related Fields. 1987).

Könyvei

  • Late Stages in stellar Evolution, Ed. Monographical Booklets in Applied and Computer Mathematics, PAMM-BUTE, Budapest, 2002.
  • Astronomie şi astrofizică ştiinte ale universului, Ed. Risoprint, Cluj-Napoca, 2002.

Válogatott cikkei

  • Sass, István Huba Atilla: The virtual shape of a spherical body moving along Ox-axis with a radial velocity V. Carpathian J. Math. 19 (2003), no. 2, 135–140.
  • Sass, István Huba Atilla: Schwarzschild's metric generated by a body of mass m1 perturbed by a moving body of mass m2. Proceedings of the 3rd International Conference on Applied Mathematics (Borsa, 2002). Bul. Stiint. Univ. Baia Mare Ser. B Fasc. Mat.–Inform. 18 (2002), no. 2, 325–330.
  • Sass, István Huba Atilla: Schwarzschild's metric generated by a body with mass m1 perturbed by a body with mass m2 from a fixed distance. Bul. Stiint. Univ. Baia Mare Ser. B Fasc. Mat.–Inform. 18 (2002), no. 1, 109–114.
  • Sass, István Huba Atilla: The Dopper effect associated with the space-time metrics reduction in the radial move case canonical form. Bul. Stiint. Univ. Baia Mare Ser. B Fasc. Mat.–Inform. 17 (2001), no. 1-2, 131–134.
  • Sass, István Huba Atilla: The aberration of light and the space-time metrics reduction in the case of rotation to canonical form. Bul. Stiint. Univ. Baia Mare Ser. B Fasc. Mat.–Inform. 17 (2001), no. 1-2, 127–130.
  • Sass, Istvan Huba Atilla: The trajectory of the photon in the equatorial plane of a rotating body. Bul. Stiint. Univ. Baia Mare Ser. B Fasc. Mat.–Inform. 16 (2000), no. 2, 261–264.
  • Sass, Istvan Huba Atilla: The trajectory of the photon next to a spherical body. Bul. Stiint. Univ. Baia Mare Ser. B Fasc. Mat.–Inform. 16 (2000), no. 2, 255–260.
  • Sass, István Huba Atilla: The connection between the relativistic equation of the hydrostatical balance and the u0 component of the space-time quadri velocity. Bul. Stiint. Univ. Baia Mare Ser. B 14 (1998), no. 1, 15–20.

Források

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