a person in the record
Per Hallberg
Ph.D. Kungliga Tekniska Högskolan (KTH) 2004
Wikidata names Olle Häggström as doctoral advisor. Linked to Wikidata and Mathematics Genealogy Project.
How to read the marksstated by Wikidata or indexed by OpenAlex
Advisors on Wikidata1
From Wikidata, shown separately from the thesis records.
- stated by Wikidata
The line above and below4 steps
The advisors of their advisors, four steps up at most, in the thesis records and on Wikidata, each kind marked; a person in both is listed once.
- 1 step up
stated by WikidataOlle Häggström
- 2 steps up
stated by WikidataJeffrey Edward Steif
- 3 steps up
stated by WikidataDonald Samuel Ornstein
- 4 steps up
stated by WikidataIrving Kaplansky
Education and career3
From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.
- 1999 to 2005
- 2008 to 2011worked
- undated