Krzysztof Ciesielski's
Some resent presentations

Continuous, differentiable, and twice differentiable functions: How big are the gaps between these classes?, June 2012.

On functions on R^{n} continuous when restricted to nice curves or surfaces, October 2012.

The Minimum Barrier Distance Transform, November 2012.

Delineating objects in images via minimization of l_{p} energies;
spanning forests via Dijkstra's and Kruskal's algorithms, May 8, 2013.

Delineating objects in images via minimization of l_{p} energies:
Fuzzy Connectedness, Graph Cut, and Random Walk algorithms, May 9, 2013.

On functions with continuous restrictions to various sets, June 4, 2013.

The Minimum Barrier Distance Transform (with new results), June 7 & 10, 2013.

Differentiability on perfect subsets P of R;
Smooth Peano functions from P onto P^{2},
July 46, 2013.

Separate continuity and its generalizations history, recent progress, and open problems,
October 15, 2013.
(Extended version of the talk
Differentiability on perfect subsets P of R;
Smooth Peano functions from P onto P^{2}.)

New Results on the Minimum Barrier Distance,
April 11, 2014.
(A version of the talk
The Minimum Barrier Distance Transform.)

Generalized distances in image segmentation,
July 26, 2014.
(Version of the talks
The Minimum Barrier Distance Transform and
Delineating objects in images via minimization of l_{p} energies;
spanning forests via Dijkstra's and Kruskal's algorithms.)

General theory of fuzzy connectedness segmentations: reconciliation of two tracks of FC theory,
March 6, 2015.

An autohomeomorphism of a Cantor set with zero derivative everywhere,
June 813, 2015.

Characterization of the path cost functions for which Dijkstra algorithm returns desired optimal mapping,
UPenn, December 17, 2015.

Lineability and additivity cardinals for realvalued functions: old results and new developments,
Madrid, February 9, 2016.
 K.C. Ciesielski and J. Jasinski,
Fixed point theorems for maps with various local contraction properties,
Twelfth Symposium on General Topology Prague, July 2529, 2016. Presented by J. Jasinski.
 K.C. Ciesielski,
Minimal degree of GenocchiPeano function of n variables,
Combinatorics seminar, WVU, November 9, 2016.

Pathvalue functions for which Dijkstra's algorithm returns optimal mapping,
UPenn, December 15, 2016.

Differentiable pointwise contractive minimal dynamical systems,
51st Spring Topology Conference, Jersey City, NJ, March 10, 2017.

Locally contractive maps and fixed point theorems,
51st Spring Topology Conference, Jersey City, NJ, March 10, 2017. Presented by J. Jasinski.

Fuzzy connectedness segmentations with different nonsymmetric affinities,
University of Campinas, Brazil, May 19, 2017.

Differentiability versus continuity: monstrous examples and extension theorems,
Summer Symposium in Real Analysis XLI,
The College of Wooster, Wooster, OH, June 1824, 2017.

Differentiable pointwise contractive autohomeomorphism of a Cantor set,
Pitt Topology Conference, June 2425, 2017.

Locally contractions and fixed point theorems,
Real Functions Seminar, University of Gdansk, Poland, November 21, 2017. Presented by J. Jasinski.

Less than continuummany continuous functions that almost cover every continuous function,
Pitt Conference on Function Spaces, February 10, 2018.

Differentiability versus continuity: Restriction and extension theorems and monstrous examples,
Summer Symposium in Real Analysis XLII, The White Nights Symposium, SaintPetersburg, Russia, June 10, 2018.
Version with pauses.

Higher level differentiability: Generalized UlamZahorski problem and small coverings by smooth maps,
Summer Symposium in Real Analysis XLII, The White Nights Symposium, SaintPetersburg, Russia, June 11, 2018.
Version with pauses.

Hierarchical segmentation in a directed graph setting which optimizes a graph cut energy,
ESIEE, Paris, France, September 5, 2018.
Version with pauses.

Hierarchical segmentation in a directed graph setting which optimizes a graph cut energy,
Centre for Image Analysis, Uppsala University, Sweden, September 10, 2018.
Version with pauses.

Pathvalue functions for which Dijkstra's algorithm returns optimal mapping,
Department of Mathematics, CoSy, Uppsala University, Sweden, September 11, 2018.
Version with pauses.

Hierarchical segmentation in a directed graph setting which optimizes a graph cut energy,
MIPG Seminar, UPenn, November 1, 2018.
Version with pauses.

Differentiability versus continuity: Restriction and extension theorems and monstrous examples,
Colloquium at Universidad Complutense de Madrid, Spain, November 8, 2018.
Version with pauses.

Tutorial on Martin's Axiom, by example,
Workshop: Topological and Algebraic Genericity II, Spain, November 13, 2018.
Version with pauses.
