Robert Bieri, born on January 31, 1945, in Zurich, is a Swiss mathematician and emeritus professor at Goethe University Frankfurt. Since 2010, he has been a visiting professor at Binghamton University. Bieri earned his doctorate in 1972 under Beno Eckmann at ETH Zurich, focusing on groups with Poincaré duality. His research incorporates geometric, topological, and homological methods in group theory, including introducing Poincaré duality concepts and developing the Bieri-Neumann-Strebel invariant for metabelian groups.
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Sunsign, Tropical Zodiac
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Age (Today)
Your next birthday is 331 days away.
Place of Birth
Time Zone -
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Meaning of the name - Robert
bright fame, shining glory
Read Full Robert Name AnalysisJanuary 31, 1945 Facts
Generation Group
Robert Bieri belongs to the Silent Generation group.
Place of Birth: Zürich
Educated At: ETH Zurich
Occupation: mathematician
Employers: Goethe University Frankfurt
Astrology Analysis
Ephemeris for January 31, 1945
Note: Moon position is location and time sensitive.| Planet | Position (Tropical, Western) | Transits on January 31, 2025 | Secondary Progressions for January 31, 2025 |
|---|---|---|---|
| Sun | 11 Aquarius 29 | 12 Aquarius 4 | 1 Taurus 13 |
| Moon | 20 Virgo 5 | 10 Pisces 40 | 28 Leo 27 |
| Mercury | 22 Capricorn 59 | 5 Aquarius 54 | 18 Aries 4 |
| Venus | 28 Pisces 20 | 27 Pisces 13 | 21 Aries 43 |
| Mars | 19 Capricorn 32 | 20 Cancer 33 | 21 Pisces 25 |
| Jupiter | 26 Virgo 42 | 11 Gemini 17 | 18 Virgo 7 |
| Saturn | 5 Cancer 13 | 17 Pisces 19 | 6 Cancer 8 |
| Uranus | 9 Gemini 12 | 23 Taurus 16 | 10 Gemini 49 |
| Neptune | 6 Libra 17 | 27 Pisces 57 | 4 Libra 22 |
| Pluto | 9 Leo 2 | 2 Aquarius 2 | 7 Leo 54 |
| Rahu | 17 Cancer 10 | 29 Pisces 52 | 12 Cancer 56 |
| Ketu | 17 Capricorn 10 | 29 Virgo 52 | 12 Capricorn 56 |
Chandra Kundali (Equal House, North Indian Diamond Chart)
Astrology Transits Analysis for Year 2025
Note: Multiple transits occurring in close proximity often signify a major event in a person's life.Robert Bieri's 2025 Transits to Natal Planets
- Jupiter trine Sun
Exact: 11 January, 2025 - Mars opposition Mercury
Exact: 21 January, 2025 - Mars opposition Mars
Exact: 31 January, 2025 - Mars conjunction Rahu
Exact: 10 February, 2025 - Mars opposition Ketu
Exact: 10 February, 2025 - Rahu conjunction Venus
Exact: 20 February, 2025 - Saturn opposition Moon
Exact: 02 March, 2025 - Mars opposition Mars
Exact: 22 March, 2025 - Ketu conjunction Jupiter
Exact: 22 March, 2025 - Mars opposition Mercury
Exact: 01 April, 2025 - Saturn opposition Jupiter
Exact: 01 May, 2025 - Saturn conjunction Venus
Exact: 11 May, 2025 - Ketu conjunction Moon
Exact: 20 July, 2025 - Jupiter conjunction Rahu
Exact: 29 August, 2025 - Jupiter opposition Ketu
Exact: 29 August, 2025 - Saturn conjunction Venus
Exact: 08 September, 2025 - Jupiter opposition Mars
Exact: 18 September, 2025 - Saturn opposition Jupiter
Exact: 08 October, 2025 - Mars square Sun
Exact: 08 October, 2025 - Jupiter opposition Mercury
Exact: 08 October, 2025 - Mars aspects Rahu
Exact: 27 November, 2025 - Jupiter opposition Mercury
Exact: 07 December, 2025
