Messages

By Kim Anders Frøyshov
Published Nov. 27, 2025 10:12 AM

The syllabus consists of Chapters 1-9 except Section 1.7.

By Kim Anders Frøyshov
Published Nov. 27, 2025 10:09 AM

In this version I have added references for Theorem 9.1.1, supplied a proof of Lemma 9.2.2, and made a few minor corrections.

By Kim Anders Frøyshov
Published Nov. 19, 2025 5:11 PM

In this version I have made minor corrections and improvements in Sections 8.2, 8.3, and 8.5.

By Kim Anders Frøyshov
Published Nov. 13, 2025 9:47 AM

In this version I have added two clarifying definitions at the end of Section 7.5 and also made minor improvements and corrections in Sections 7.4 - 7.6.

By Kim Anders Frøyshov
Published Nov. 13, 2025 9:40 AM

Here are the solutions.

By Kim Anders Frøyshov
Published Nov. 6, 2025 11:46 AM

In this version I have added more motivation in Section 7.3 and rewritten the proof of Lemma 7.3.2.

By Kim Anders Frøyshov
Published Nov. 5, 2025 1:19 PM

There will be no lecture on Monday 10 November.  Instead, there will be an additional lecture on Thursday 13 November 14-16 in NHA 1020.

By Kim Anders Frøyshov
Published Oct. 28, 2025 10:37 AM

In this version I have made minor corrections and improvements in Sections 6.3, 6.5, and 6.6.

By Kim Anders Frøyshov
Published Oct. 24, 2025 1:05 PM

In Problem 3, the manifold should be a regular surface, see the corrected assignment.

By Kim Anders Frøyshov
Published Oct. 23, 2025 12:44 PM

Here are the assignment problems.  The solutions should be submitted through Canvas by Thursday the 6th November at 14:30.

By Kim Anders Frøyshov
Published Oct. 22, 2025 1:37 PM

In this version I have made minor corrections and improvements in Sections 6.2 - 6.4.

By Kim Anders Frøyshov
Published Oct. 15, 2025 5:00 PM

In this version I have rewritten the proof of Theorem 6.1.1 and made other minor improvements in Section 6.1.

By Kim Anders Frøyshov
Published Oct. 9, 2025 10:36 AM

In this new version I have rewritten the proof of Proposition 5.2.3 and made minor corrections and improvements in Chapters 4 and 5 and in Section 6.1.

By Kim Anders Frøyshov
Published Oct. 1, 2025 1:03 PM

To compensate for the lecture that was cancelled last week, there will be an additional lecture on Friday the 17th October 10-12 in NHA 1119.

By Kim Anders Frøyshov
Published Sep. 26, 2025 11:11 AM

In this new version I have made minor corrections in Chapters 1-3 and added two problems in Chapter 8. The latest version will always be available under "Teaching resources".

By Kim Anders Frøyshov
Published Sep. 23, 2025 9:32 AM

I am sorry that I have to cancel the lecture tomorrow 24th September.  To compensate for this there will be an additional lecture later in the semester.

By Kim Anders Frøyshov
Published Sep. 22, 2025 1:21 PM

The final exam will be held on 9-10 December.

By Kim Anders Frøyshov
Published Sep. 17, 2025 2:25 PM

The assignment problems will be posted no later than the 23rd October and the solutions should be returned through Canvas by the 6th November.

By Kim Anders Frøyshov
Published Aug. 20, 2025 3:26 PM

The final exam will be oral.  The date(s) for the exam will be announced later in the semester.

By Kim Anders Frøyshov
Published Aug. 14, 2025 2:47 PM

The course will be based on my lecture notes.  (For reasons unknown to me, the Syllabus has instead shown the textbooks used in 2023 - this has now been corrected. I apologize for the confusion.)

The final chapter of the lecture notes, on Hyperbolic geometry, is still incomplete. I intend to finish it well before we get that far in the text.

I hope to see you on Monday!

-Kim Frøyshov