Blackboard Shots with Prefix "Martchenkov"

260422-155157: Braids, a Representation, a Cocycle, an Integral, an Invariant (2).

260408-160016: Braids, a Representation, a Cocycle, an Integral, an Invariant.

260323-174149: Burau and Wirtinger (2).

260316-171215: Burau and Wirtinger.

260225-173645: $\rho_1$ and stir fry (2).

260112-170306: $\rho_1$ and stir fry.

251218-110657: Cars and Seifert.

251127-130002: Comparing Wirtinger and Seifert.

251120-131100: The co-Dehn presentation.

251008-171427: $\rho_1$ via braids (5).

251001-165732: $\rho_1$ via braids (4).

250917-165348: $\rho_1$ via braids (3).

250910-195843: $\rho_1$ via braids (2).

250903-151835: $\rho_1$ via braids.

250805-115825: The Seifert pairing (4).

250721-154409: The Seifert pairing (3).

250711-150100: The Seifert pairing (2).

250709-121851: The Seifert pairing.

250425-135347: Gauge fixing.

250331-161939: Branched covers.

250303-155825: Relating Seifert and Wirtinger (2).

250206-165053: Relating Seifert and Wirtinger.

250120-163512: Relating Seifert and Dehn? (5)

241216-192424: Relating Seifert and Dehn? (4)

241209-130507: Relating Seifert and Dehn? (3)

241125-133229: Relating Seifert and Dehn? (2)

241115-170402: Relating Seifert and Dehn?

241025-171129: Burau and Alexander.

241011-141247: The Seifert presentation (3).

241011-141246: The Seifert presentation (2).

240827-104640: The Seifert presentation.

240411-110151: Comparing upper and lower Wirtinger.

240319-132314: Comparing Wirtinger and Dehn.

240312-131731: Back to equivalence of presentations.

240226-151054: The extra row.

240124-115045: The fundamental forms of planar curves (2).

240117-154443: The fundamental forms of planar curves.

231109-152459: More on $H_1(\tilde{X})$ (2).

231102-145504: More on $H_1(\tilde{X})$.

231025-144256: $H_1(\tilde{X})$ and $H_1(\tilde{X},\tilde{p})$.

231011-161249: The relation between the upper and the lower Wirtinger presentations.

231005-145332: The Abelianization of Dehn.

230919-171324: Invariance of Alexander formulas.

230601-123143: The Dehn presentation and the Alexander polynomial (2).

230425-142328: The Dehn presentation and the Alexander polynomial.

230223-125050: Matrices and quadratics.