2 papers
math.AG2026
The real Mordell-Weil group of rational elliptic surfaces and real lines on del Pezzo surfaces of degree
Sergey Finashin, Viatcheslav Kharlamov
We undertake a study of topological properties of the real Mordell-Weil group of real rational elliptic surfaces which we accompany by a related…
math.AG2026
On wall-crossing invariance of certain sums of Welschinger numbers
Sergey Finashin, Viatcheslav Kharlamov
We continue our quest for real enumerative invariants not sensitive to changing the real structure and extend the construction we uncovered previously for counting curves of anti-c…